Speaker noise while Mac Mini is in sleep mode

Hello together,
my Mac Mini produces strange hizz/buzz sounds for approx. half a second every few minutes while it sleeps.
The noise is quite loud and it is a rather annoying sound. I experience these sounds if I connect the Mac Mini via the normal audio out connector on both my Audioengine 5 speakers as well as a Denon amp.
Is there any way to get rid of this noise?

Thanks for your idea!
Unfortunately, I don't think that's it - all cell phones are away from the machine (and i know the "dadididida" sound of cell phones quite well).
I also thought that it could be a huge machine that is switched on somewhere but then again I have my stuff behind a surge protector so that I think that any such stuff would be filtered. The fact that it is periodic and happened here in the states as well as in Europe makes me wonder if it is an issue with the mac itself.
Anyone else who has that issue?

Similar Messages

Mac mini keeps entering sleep mode

Hi. I have a Mac mini that has this annoying problem where it keeps
wanting to enter sleep mode. This problem seemed intermittent at first.
What I notice is that my mini would enter sleep mode whenever I try to
encode mp3. This seems reproducible. When it enters sleep mode,
I can wake it up by pressing the power button. However, it goes back
in sleep mode after a couple seconds after it wakes up. The only way
I can get it out of sleep mode is to quit iTunes and eject the audio
CD.
Things I've tried:
Energy Saver settings: Computer sleeps after 3 hours inactivity,
display sleeps after 3 hours inactivity, unchecked "Put hard disk(s)
to sleep when possible". I tried disabling energy save. No luck.
I also tried to uncheck "Allow Nap" box in the Processor settings.
However, it always checks this after a reboot.
If I insert a DVD movie, I can watch it w/o any interruption.
Anyone else seen this problem? Thanks in advance.
Jim

Hi Carl. I was unable to find com.apple.AutoWake.plist in my
system. Deleting com.apple.PowerManagement.plist didn't
help.
I decided to try your open firmware instructions. I like the
boot loader. It reminds me of the Sun's boot monitor.
I did the reset-nvram, set-defaults, reset-all. It didn't
help though.
I don't think it is my power supply, either. The reason why I
don't think this is the problem is I can watch DVD and listen
to audio CD just fine. My sleep problem would only occur
when I try to rip an audio CD. I can assure you that I draw
plenty of power just playing a DVD movie.
My guess is I have a power management configuration
issue or a hardware problem. Since this has a Unix core
underneath, I started poking around in the usual places
for log files. I found the familiar /var/log and stumbled
on system.log. Looking at the file, I found something
that caught my eye.
Aug 17 01:06:19 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Doing a 'grep overtemp system.log', I got the following:
Aug 17 01:04:13 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:04:37 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:04:56 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:05:37 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:05:51 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:06:00 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:06:13 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
Aug 17 01:06:19 Jim-Fridlunds-Computer kernel[0]: Power Management received emergency overtemp signal. Going to sleep.
If you look at the time stamp, you'll see that each event
is only a few seconds apart. This matches with what
I was seeing. Machine goes to sleep. I press the power
button and it wakes up and goes back to sleep. One
big endless cycle. The only way I managed to get out
of it is to quit iTunes and to eject the CD.
Yes, I did install the Xcode 2 development kit that came
with the Mini MAC OSX setup. I eventually want to write
software for the Mac. So, I most likely installed the
CHUD tools package that you had mentioned.
I think the equivalent command line command for
disabling the nap feature is 'hwprefs -v cpu_nap=false'.
When I do that, I get the overtemp event and my mini
goes to sleep. Zzz.
In any case, my mini seems to be detecting false overtemp
condition. Either I have a bad temp sensor or my power
management overtemp threshold is set way too low. It's
possible encoding audio CDs is enough to heat up the
PPC core, but it happens way too fast. I'm thinking my
temperature sensors are not set correctly. If anyone has
schematics for the mini, it would most likely be a Dallas
temp sensor chip. I'm not ready to open up my mini yet
since it is still under warranty. I'll take it in the Apple
store in Walnut Creek this weekend.
Anyway, thank you guys for all your help. I found my
experience on this forum to be quite pleasant. People
here are very helpful.
Jim

Why does my mac mini shutdown during sleep mode?

After I put the Mini into sleep mode, it shuts itself off after a few hours. I tried resetting the SMC per instructions from another forum post (turn the Mini off; pull the power cord for 10 seconds; plug back in; wait 5 seconds; turn the Mini back on) but that didn't work. Anything else I can try?
Thanks,
iBob52

I have the same problem. When only the screen is sleeping, everything is ok. When the MacMini begins to sleep, he just shuts off. Help someone ?
And that's what OPEN CONSOLE says :
15/04/13 13:35:34,000 bootlog[0]: BOOT_TIME 1366025734 0
15/04/13 13:35:46,000 kernel[0]: PMAP: PCID enabled
15/04/13 13:35:46,000 kernel[0]: PMAP: Supervisor Mode Execute Protection enabled
15/04/13 13:35:46,000 kernel[0]: Darwin Kernel Version 12.3.0: Sun Jan 6 22:37:10 PST 2013; root:xnu-2050.22.13~1/RELEASE_X86_64
15/04/13 13:35:46,000 kernel[0]: vm_page_bootstrap: 792724 free pages and 247660 wired pages
15/04/13 13:35:46,000 kernel[0]: kext submap [0xffffff7f80735000 - 0xffffff8000000000], kernel text [0xffffff8000200000 - 0xffffff8000735000]
15/04/13 13:35:46,000 kernel[0]: zone leak detection enabled
15/04/13 13:35:46,000 kernel[0]: standard timeslicing quantum is 10000 us
15/04/13 13:35:46,000 kernel[0]: standard background quantum is 2500 us
15/04/13 13:35:46,000 kernel[0]: mig_table_max_displ = 74
15/04/13 13:35:46,000 kernel[0]: TSC Deadline Timer supported and enabled
15/04/13 13:35:46,000 kernel[0]: corecrypto kext started!
15/04/13 13:35:46,000 kernel[0]: Running kernel space in FIPS MODE
15/04/13 13:35:46,000 kernel[0]: Plist hmac value is    735d392b68241ef173d81097b1c8ce9ba283521626d1c973ac376838c466757d
15/04/13 13:35:46,000 kernel[0]: Computed hmac value is 735d392b68241ef173d81097b1c8ce9ba283521626d1c973ac376838c466757d
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS integrity POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS AES CBC POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS TDES CBC POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS AES ECB AESNI POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS AES XTS AESNI POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS SHA POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS HMAC POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS ECDSA POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS DRBG POST test passed!
15/04/13 13:35:46,000 kernel[0]: corecrypto.kext FIPS POST passed!
15/04/13 13:35:46,000 kernel[0]: AppleACPICPU: ProcessorId=1 LocalApicId=0 Enabled
15/04/13 13:35:46,000 kernel[0]: AppleACPICPU: ProcessorId=2 LocalApicId=2 Enabled
15/04/13 13:35:46,000 kernel[0]: AppleACPICPU: ProcessorId=3 LocalApicId=4 Enabled
15/04/13 13:35:46,000 kernel[0]: AppleACPICPU: ProcessorId=4 LocalApicId=6 Enabled
15/04/13 13:35:46,000 kernel[0]: AppleACPICPU: ProcessorId=5 LocalApicId=1 Enabled
15/04/13 13:35:46,000 kernel[0]: AppleACPICPU: ProcessorId=6 LocalApicId=3 Enabled
15/04/13 13:35:46,000 kernel[0]: AppleACPICPU: ProcessorId=7 LocalApicId=5 Enabled
15/04/13 13:35:46,000 kernel[0]: AppleACPICPU: ProcessorId=8 LocalApicId=7 Enabled
15/04/13 13:35:38,811 com.apple.launchd[1]: *** launchd[1] has started up. ***
15/04/13 13:35:38,811 com.apple.launchd[1]: *** Shutdown logging is enabled. ***
15/04/13 13:35:46,809 com.apple.launchd[1]: (com.apple.automountd) Unknown key for boolean: NSSupportsSuddenTermination
15/04/13 13:35:46,000 kernel[0]: calling mpo_policy_init for TMSafetyNet
15/04/13 13:35:46,000 kernel[0]: Security policy loaded: Safety net for Time Machine (TMSafetyNet)
15/04/13 13:35:46,000 kernel[0]: calling mpo_policy_init for Sandbox
15/04/13 13:35:46,000 kernel[0]: Security policy loaded: Seatbelt sandbox policy (Sandbox)
15/04/13 13:35:46,000 kernel[0]: calling mpo_policy_init for Quarantine
15/04/13 13:35:46,000 kernel[0]: Security policy loaded: Quarantine policy (Quarantine)
15/04/13 13:35:46,000 kernel[0]: Copyright (c) 1982, 1986, 1989, 1991, 1993
15/04/13 13:35:46,000 kernel[0]: The Regents of the University of California. All rights reserved.
15/04/13 13:35:46,000 kernel[0]: MAC Framework successfully initialized
15/04/13 13:35:46,000 kernel[0]: using 16384 buffer headers and 10240 cluster IO buffer headers
15/04/13 13:35:46,000 kernel[0]: IOAPIC: Version 0x20 Vectors 64:87
15/04/13 13:35:46,000 kernel[0]: ACPI: System State [S0 S3 S4 S5]
15/04/13 13:35:46,000 kernel[0]: PFM64 (36 cpu) 0xf80000000, 0x80000000
15/04/13 13:35:46,000 kernel[0]: AppleIntelCPUPowerManagement: Turbo Ratios 889A
15/04/13 13:35:46,000 kernel[0]: AppleIntelCPUPowerManagement: (built 12:18:39 Oct 18 2012) initialization complete
15/04/13 13:35:46,000 kernel[0]: Sleep failure code 0x00000000 0x1f006c00
15/04/13 13:35:46,000 kernel[0]: [ PCI configuration begin ]
15/04/13 13:35:46,000 kernel[0]: console relocated to 0xf80000000
15/04/13 13:35:46,000 kernel[0]: PCI configuration changed (bridge=15 device=3 cardbus=0)
15/04/13 13:35:46,000 kernel[0]: [ PCI configuration end, bridges 11 devices 15 ]
15/04/13 13:35:46,000 kernel[0]: AppleThunderboltNHIType2::setupPowerSavings - GPE based runtime power management
15/04/13 13:35:46,000 kernel[0]: AppleThunderboltNHIType2::start - type 2 sleep enabled
15/04/13 13:35:46,000 kernel[0]: AppleThunderboltNHIType2::start - SXFP method found
15/04/13 13:35:46,000 kernel[0]: mbinit: done [64 MB total pool size, (42/21) split]
15/04/13 13:35:46,000 kernel[0]: Pthread support ABORTS when sync kernel primitives misused
15/04/13 13:35:46,000 kernel[0]: FireWire (OHCI) Lucent ID 5901 built-in now active, GUID 10ddb1fffe5398e0; max speed s800.
15/04/13 13:35:46,000 kernel[0]: rooting via boot-uuid from /chosen: EC8224D4-FF05-331E-BC35-916C3BBA0A3F
15/04/13 13:35:46,000 kernel[0]: Waiting on <dict ID="0"><key>IOProviderClass</key><string ID="1">IOResources</string><key>IOResourceMatch</key><string ID="2">boot-uuid-media</string></dict>
15/04/13 13:35:46,000 kernel[0]: com.apple.AppleFSCompressionTypeZlib kmod start
15/04/13 13:35:46,000 kernel[0]: com.apple.AppleFSCompressionTypeDataless kmod start
15/04/13 13:35:46,000 kernel[0]: com.apple.AppleFSCompressionTypeZlib load succeeded
15/04/13 13:35:46,000 kernel[0]: com.apple.AppleFSCompressionTypeDataless load succeeded
15/04/13 13:35:46,000 kernel[0]: AppleIntelCPUPowerManagementClient: ready
15/04/13 13:35:46,000 kernel[0]: Got boot device = IOService:/AppleACPIPlatformExpert/PCI0@0/AppleACPIPCI/SATA@1F,2/AppleIntelPchS eriesAHCI/PRT0@0/IOAHCIDevice@0/AppleAHCIDiskDriver/IOAHCIBlockStorageDevice/IOB lockStorageDriver/APPLE HDD HTS541010A9E662 Media/IOGUIDPartitionScheme/Customer@2
15/04/13 13:35:46,000 kernel[0]: BSD root: disk0s2, major 1, minor 3
15/04/13 13:35:46,000 kernel[0]: BTCOEXIST off
15/04/13 13:35:46,000 kernel[0]: BRCM tunables:
15/04/13 13:35:46,000 kernel[0]: pullmode[1] txringsize[ 256] txsendqsize[1024] reapmin[   32] reapcount[ 128]
15/04/13 13:35:46,000 kernel[0]: jnl: unknown-dev: replay_journal: from: 9999872 to: 13719040 (joffset 0x13218000)
15/04/13 13:35:46,000 kernel[0]: IOThunderboltSwitch(0x0)::listenerCallback - Thunderbolt HPD packet for route = 0x0 port = 12 unplug = 0
15/04/13 13:35:46,000 kernel[0]: jnl: unknown-dev: journal replay done.
15/04/13 13:35:46,000 kernel[0]: Kernel is LP64
15/04/13 13:35:46,000 kernel[0]: hfs: Removed 21 orphaned / unlinked files and 21 directories
15/04/13 13:35:49,000 kernel[0]: BCM5701Enet: Ethernet address 10:dd:b1:99:4d:38
15/04/13 13:35:49,000 kernel[0]: AirPort_Brcm4331: Ethernet address 88:53:95:30:d6:95
15/04/13 13:35:49,000 kernel[0]: IO80211Controller::dataLinkLayerAttachComplete(): adding AppleEFINVRAM notification
15/04/13 13:35:49,000 kernel[0]: IO80211Interface::efiNVRAMPublished():
15/04/13 13:35:51,849 hidd[46]: Posting 'com.apple.iokit.hid.displayStatus' notifyState=1
15/04/13 13:35:51,854 hidd[46]: void __IOHIDLoadBundles(): Loaded 0 HID plugins
15/04/13 13:35:51,855 fseventsd[47]: event logs in /.fseventsd out of sync with volume. destroying old logs. (2444 17 2545)
15/04/13 13:35:51,873 fseventsd[47]: log dir: /.fseventsd getting new uuid: 04BC97BF-4A25-4AE3-A80C-5E21BE3CED6D
15/04/13 13:35:52,000 kernel[0]: macx_swapon SUCCESS
15/04/13 13:35:52,000 kernel[0]: Waiting for DSMOS...
15/04/13 13:35:52,661 coreservicesd[61]: FindBestLSSession(), no match for inSessionID 0xfffffffffffffffc auditTokenInfo( uid=0 euid=0 auSessionID=100000 create=false
15/04/13 13:35:52,669 mDNSResponder[39]: mDNSResponder mDNSResponder-379.37 (Dec 16 2012 19:43:09) starting OSXVers 12
15/04/13 13:35:52,681 appleeventsd[52]: main: Starting up
15/04/13 13:35:52,684 airportd[64]: _processDLILEvent: en1 attached (down)
15/04/13 13:35:52,705 com.apple.usbmuxd[27]: usbmuxd-296.4 on Dec 21 2012 at 16:11:14, running 64 bit
15/04/13 13:35:52,000 kernel[0]: createVirtIf(): ifRole = 1
15/04/13 13:35:52,000 kernel[0]: in func createVirtualInterface ifRole = 1
15/04/13 13:35:52,000 kernel[0]: AirPort_Brcm4331_P2PInterface::init name <p2p0> role 1 this 0xffffff803c880400
15/04/13 13:35:52,000 kernel[0]: AirPort_Brcm4331_P2PInterface::init() <p2p> role 1
15/04/13 13:35:52,000 kernel[0]: Created virtif 0xffffff803c880400 p2p0
15/04/13 13:35:53,000 kernel[0]: Previous Shutdown Cause: 0
15/04/13 13:35:53,000 kernel[0]: IOBluetoothUSBDFU::probe
15/04/13 13:35:53,000 kernel[0]: IOBluetoothUSBDFU::probe ProductID - 0x828A FirmwareVersion - 0x0032
15/04/13 13:35:53,000 kernel[0]: [BroadcomBluetoothHCIControllerUSBTransport][start] -- completed
15/04/13 13:35:53,000 kernel[0]: [IOBluetoothHCIController][staticBluetoothHCIControllerTransportShowsUp] -- Received Bluetooth Controller register service notification
15/04/13 13:35:53,000 kernel[0]: [IOBluetoothHCIController][start] -- completed
15/04/13 13:35:53,000 kernel[0]: [IOBluetoothHCIController::setConfigState] calling registerService
15/04/13 13:35:53,000 kernel[0]: DSMOS has arrived
15/04/13 13:35:53,000 kernel[0]: m_tail has not been written to hardware: m_tail = 0x00000000, hardare tail register = 0x00000158
15/04/13 13:35:53,686 mds[38]: (Normal) FMW: FMW 0 0
15/04/13 13:35:53,868 com.apple.SecurityServer[15]: Session 100000 created
15/04/13 13:35:54,000 kernel[0]: AirPort: Link Down on en1. Reason 1 (Unspecified).
15/04/13 13:35:54,000 kernel[0]: en1::IO80211Interface::postMessage bssid changed
15/04/13 13:35:54,247 configd[18]: network changed.
15/04/13 13:35:54,248 configd[18]: setting hostname to "Mac-mini-de-Richard.local"
15/04/13 13:35:59,429 com.apple.SecurityServer[15]: Entering service
15/04/13 13:35:59,459 systemkeychain[67]: done file: /var/run/systemkeychaincheck.done
15/04/13 13:35:59,468 configd[18]: network changed: DNS*
15/04/13 13:35:59,470 mDNSResponder[39]: D2D_IPC: Loaded
15/04/13 13:35:59,470 mDNSResponder[39]: D2DInitialize succeeded
15/04/13 13:35:59,496 loginwindow[42]: Login Window Application Started
15/04/13 13:35:59,522 awacsd[56]: Starting awacsd connectivity-78.2 (Dec 16 2012 19:43:29)
15/04/13 13:35:59,527 awacsd[56]: InnerStore CopyAllZones: no info in Dynamic Store
15/04/13 13:35:59,544 UserEventAgent[11]: Captive: [HandleNetworkInformationChanged:2435] nwi_state_copy returned NULL
15/04/13 13:35:59,546 netbiosd[74]: Unable to start NetBIOS name service:
15/04/13 13:35:59,577 WindowServer[88]: Server is starting up
15/04/13 13:35:59,820 digest-service[95]: label: default
15/04/13 13:35:59,821 digest-service[95]:           dbname: od:/Local/Default
15/04/13 13:35:59,821 digest-service[95]:           mkey_file: /var/db/krb5kdc/m-key
15/04/13 13:35:59,821 digest-service[95]:           acl_file: /var/db/krb5kdc/kadmind.acl
15/04/13 13:35:59,822 digest-service[95]: digest-request: uid=0
15/04/13 13:35:59,843 rpcsvchost[98]: sandbox_init: com.apple.msrpc.netlogon.sb succeeded
15/04/13 13:35:59,847 digest-service[95]: digest-request: init request
15/04/13 13:35:59,850 digest-service[95]: digest-request: init return domain: BUILTIN server: MAC-MINI-DE-RICHARD
15/04/13 13:36:00,447 WindowServer[88]: Session 256 retained (2 references)
15/04/13 13:36:00,447 WindowServer[88]: Session 256 released (1 references)
15/04/13 13:36:00,454 WindowServer[88]: Session 256 retained (2 references)
15/04/13 13:36:00,455 WindowServer[88]: init_page_flip: page flip mode is on
15/04/13 13:36:00,000 kernel[0]: en1: 802.11d country code set to 'BE'.
15/04/13 13:36:00,000 kernel[0]: en1: Supported channels 1 2 3 4 5 6 7 8 9 10 11 12 13 36 40 44 48 52 56 60 64 100 104 108 112 116 120 124 128 132 136 140
15/04/13 13:36:00,000 kernel[0]: MacAuthEvent en1   Auth result for: 5c:35:3b:56:ff:71 MAC AUTH succeeded
15/04/13 13:36:00,000 kernel[0]: wlEvent: en1 en1 Link UP virtIf = 0
15/04/13 13:36:00,000 kernel[0]: AirPort: Link Up on en1
15/04/13 13:36:00,000 kernel[0]: en1: BSSID changed to 5c:35:3b:56:ff:71
15/04/13 13:36:00,000 kernel[0]: en1::IO80211Interface::postMessage bssid changed
15/04/13 13:36:00,000 kernel[0]: AirPort: RSN handshake complete on en1
15/04/13 13:36:00,877 WindowServer[88]: mux_initialize: Couldn't find any matches
15/04/13 13:36:00,890 WindowServer[88]: GLCompositor enabled for tile size [256 x 256]
15/04/13 13:36:00,890 WindowServer[88]: CGXGLInitMipMap: mip map mode is on
15/04/13 13:36:00,920 WindowServer[88]: WSMachineUsesNewStyleMirroring: true
15/04/13 13:36:00,920 WindowServer[88]: Display 0x43300b08: GL mask 0x1; bounds (0, 0)[1920 x 1080], 16 modes available
Main, Active, on-line, enabled, boot, Vendor 410c, Model c07d, S/N 144b, Unit 0, Rotation 0
UUID 0x0000410c0000c07d0000144b00000000
15/04/13 13:36:00,921 WindowServer[88]: Display 0x003f003e: GL mask 0x4; bounds (0, 0)[0 x 0], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 2, Rotation 0
UUID 0xffffffffffffffffffffffff003f003e
15/04/13 13:36:00,921 WindowServer[88]: Display 0x003f003d: GL mask 0x2; bounds (0, 0)[0 x 0], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 1, Rotation 0
UUID 0xffffffffffffffffffffffff003f003d
15/04/13 13:36:00,925 WindowServer[88]: Created shield window 0x5 for display 0x43300b08
15/04/13 13:36:00,925 WindowServer[88]: Created shield window 0x6 for display 0x003f003e
15/04/13 13:36:00,925 WindowServer[88]: Created shield window 0x7 for display 0x003f003d
15/04/13 13:36:00,926 WindowServer[88]: Display 0x43300b08: GL mask 0x1; bounds (0, 0)[1920 x 1080], 16 modes available
Main, Active, on-line, enabled, boot, Vendor 410c, Model c07d, S/N 144b, Unit 0, Rotation 0
UUID 0x0000410c0000c07d0000144b00000000
15/04/13 13:36:00,926 WindowServer[88]: Display 0x003f003e: GL mask 0x4; bounds (2944, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 2, Rotation 0
UUID 0xffffffffffffffffffffffff003f003e
15/04/13 13:36:00,927 WindowServer[88]: Display 0x003f003d: GL mask 0x2; bounds (2945, 0)[1 x 1], 1 modes available
off-line, enabled, Vendor ffffffff, Model ffffffff, S/N ffffffff, Unit 1, Rotation 0
UUID 0xffffffffffffffffffffffff003f003d
15/04/13 13:36:00,927 WindowServer[88]: CGXPerformInitialDisplayConfiguration
15/04/13 13:36:00,927 WindowServer[88]:   Display 0x43300b08: MappedDisplay Unit 0; Vendor 0x410c Model 0xc07d S/N 5195 Dimensions 23.54 x 13.23; online enabled, Bounds (0,0)[1920 x 1080], Rotation 0, Resolution 1
15/04/13 13:36:00,927 WindowServer[88]:   Display 0x003f003e: MappedDisplay Unit 2; Vendor 0xffffffff Model 0xffffffff S/N -1 Dimensions 0.00 x 0.00; offline enabled, Bounds (2944,0)[1 x 1], Rotation 0, Resolution 1
15/04/13 13:36:00,927 WindowServer[88]:   Display 0x003f003d: MappedDisplay Unit 1; Vendor 0xffffffff Model 0xffffffff S/N -1 Dimensions 0.00 x 0.00; offline enabled, Bounds (2945,0)[1 x 1], Rotation 0, Resolution 1
15/04/13 13:36:00,990 WindowServer[88]: GLCompositor: GL renderer id 0x01024400, GL mask 0x00000007, accelerator 0x00003243, unit 0, caps QEX|QGL|MIPMAP, vram 1156 MB
15/04/13 13:36:00,990 WindowServer[88]: GLCompositor: GL renderer id 0x01024400, GL mask 0x00000007, texture units 8, texture max 16384, viewport max {16384, 16384}, extensions FPRG|NPOT|GLSL|FLOAT
15/04/13 13:36:00,993 loginwindow[42]: **DMPROXY** Found `/System/Library/CoreServices/DMProxy'.
15/04/13 13:36:01,000 kernel[0]: Sound assertion in AppleHDAController at line 2677
15/04/13 13:36:01,475 locationd[43]: NOTICE,Location icon should now be in state 0
15/04/13 13:36:02,926 WindowServer[88]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'.
15/04/13 13:36:03,991 WindowServer[88]: MPAccessSurfaceForDisplayDevice: Set up page flip mode on display 0x43300b08 device: 0x10fade110 isBackBuffered: 1 numComp: 3 numDisp: 3
15/04/13 13:36:08,481 configd[18]: network changed: v4(en1+:192.168.0.107) DNS+ Proxy+ SMB
15/04/13 13:36:08,486 airportd[64]: _doAutoJoin: Already associated to “telenet-6FF6B”. Bailing on auto-join.
15/04/13 13:36:08,498 UserEventAgent[11]: Captive: en1: Not probing 'telenet-6FF6B' (protected network)
15/04/13 13:36:08,502 configd[18]: network changed: v4(en1!:192.168.0.107) DNS Proxy SMB
15/04/13 13:36:08,517 airportd[64]: _doAutoJoin: Already associated to “telenet-6FF6B”. Bailing on auto-join.
15/04/13 13:36:10,789 ntpd[93]: proto: precision = 1.000 usec
15/04/13 13:36:12,030 WindowServer[88]: Created shield window 0x8 for display 0x43300b08
15/04/13 13:36:12,031 WindowServer[88]: Display 0x43300b08: MappedDisplay Unit 0; ColorProfile { 2, "HD 709-A"}; TransferFormula (1.000000, 1.000000, 1.000000)
15/04/13 13:36:12,043 WindowServer[88]: Display 0x43300b08: MappedDisplay Unit 0; ColorProfile { 2, "HD 709-A"}; TransferFormula (1.000000, 1.000000, 1.000000)
15/04/13 13:36:12,664 com.apple.launchd[1]: (com.apple.xprotectupdater[25]) Exited with code: 252
15/04/13 13:36:13,254 WindowServer[88]: Display 0x43300b08: MappedDisplay Unit 0; ColorProfile { 2, "HD 709-A"}; TransferFormula (1.000000, 1.000000, 1.000000)
15/04/13 13:36:13,271 launchctl[116]: com.apple.findmymacmessenger: Already loaded
15/04/13 13:36:13,291 com.apple.SecurityServer[15]: Session 100004 created
15/04/13 13:36:13,307 airportd[64]: _doAutoJoin: Already associated to “telenet-6FF6B”. Bailing on auto-join.
15/04/13 13:36:13,328 loginwindow[42]: Login Window Started Security Agent
15/04/13 13:36:13,366 locationd[125]: NOTICE,Location icon should now be in state 0
15/04/13 13:36:13,378 UserEventAgent[118]: cannot find useragent 1102
15/04/13 13:36:13,390 SecurityAgent[124]: This is the first run
15/04/13 13:36:13,391 SecurityAgent[124]: MacBuddy was run = 0
15/04/13 13:36:13,430 SecurityAgent[124]: User info context values set for Richard
15/04/13 13:36:13,690 loginwindow[42]: Login Window - Returned from Security Agent
15/04/13 13:36:13,694 loginwindow[42]: ERROR | ScreensharingLoginNotification | Failed sending message to screen sharing GetScreensharingPort, err: 1102
15/04/13 13:36:13,716 loginwindow[42]: USER_PROCESS: 42 console
15/04/13 13:36:13,735 airportd[64]: _doAutoJoin: Already associated to “telenet-6FF6B”. Bailing on auto-join.
15/04/13 13:36:14,093 com.apple.launchd.peruser.501[127]: (com.apple.gamed) Ignored this key: UserName
15/04/13 13:36:14,093 com.apple.launchd.peruser.501[127]: (com.apple.gamed) Ignored this key: GroupName
15/04/13 13:36:14,094 com.apple.launchd.peruser.501[127]: (com.apple.ReportCrash) Falling back to default Mach exception handler. Could not find: com.apple.ReportCrash.Self
15/04/13 13:36:14,098 loginwindow[42]: Connection with distnoted server was invalidated
15/04/13 13:36:14,104 distnoted[131]: # distnote server agent absolute time: 40.492051343   civil time: Mon Apr 15 13:36:14 2013   pid: 131 uid: 501 root: no
15/04/13 13:36:14,482 blued[55]: kBTXPCUpdateUserPreferences gConsoleUserUID = 501
15/04/13 13:36:14,553 awacsd[56]: Exiting
15/04/13 13:36:15,123 WindowServer[88]: **DMPROXY** (2) Found `/System/Library/CoreServices/DMProxy'.
15/04/13 13:36:15,178 WindowServer[88]: Display 0x43300b08: MappedDisplay Unit 0; ColorProfile { 2, "HD 709-A"}; TransferFormula (1.000000, 1.000000, 1.000000)
15/04/13 13:36:15,185 com.apple.SecurityServer[15]: Session 100005 created
15/04/13 13:36:15,208 mds[38]: (Warning) Server: No stores registered for metascope "kMDQueryScopeComputer"
15/04/13 13:36:15,209 mds[38]: (Warning) Server: No stores registered for metascope "kMDQueryScopeComputer"
15/04/13 13:36:15,502 NetworkBrowserAgent[162]: Starting NetworkBrowserAgent
15/04/13 13:36:16,453 WindowServer[88]: kCGErrorNotImplemented: receive_notification: CPXSetEventFilter failed
15/04/13 13:36:16,990 WindowServer[88]: kCGErrorNotImplemented: receive_notification: CPXSetEventFilter failed
15/04/13 13:36:19,014 NotificationCenter[170]: Unable to simultaneously satisfy constraints:
    "<NSLayoutConstraint:0x7fcae2812fd0 H:|-(100)-[NSView:0x7fcae2812670](LTR)   (Names: widgetView:0x7fcae2812900, '|':widgetView:0x7fcae2812900 )>",
    "<NSLayoutConstraint:0x7fcae28130f0 H:[NSView:0x7fcae2812670]-(0)-|(LTR)   (Names: widgetView:0x7fcae2812900, '|':widgetView:0x7fcae2812900 )>",
    "<NSLayoutConstraint:0x7fcae2812c30 H:[NSView:0x7fcae4515bb0]-(0)-|   (Names: '|':NSView:0x7fcae2812670 )>",
    "<NSLayoutConstraint:0x7fcae2812bd0 H:|-(0)-[NSView:0x7fcae4515bb0]   (Names: '|':NSView:0x7fcae2812670 )>",
    "<NSAutoresizingMaskLayoutConstraint:0x7fcae451b640 h=--& v=-&- H:[widgetView(385)]   (Names: widgetView:0x7fcae2812900 )>",
    "<NSLayoutConstraint:0x7fcae4515c50 H:[NCSwitchButton:0x7fcae450f6a0]-(>=9)-|   (Names: '|':NSView:0x7fcae4515bb0 )>",
    "<NSLayoutConstraint:0x7fcae45164f0 H:|-(35)-[NSTextField:0x7fcae45120d0]   (Names: '|':NSView:0x7fcae4515bb0 )>",
    "<NSLayoutConstraint:0x7fcae4511c20 H:[NCSwitchButton:0x7fcae450f6a0(64)]>",
    "<NSLayoutConstraint:0x7fcae4512890 H:[NSTextField:0x7fcae45120d0]-(NSSpace(8))-[NCSwitchButton:0x7fcae450f6a0]>",
    "<NSLayoutConstraint:0x7fcae45123b0 H:[NSTextField:0x7fcae45120d0(184)]>"
Will attempt to recover by breaking constraint
<NSLayoutConstraint:0x7fcae45123b0 H:[NSTextField:0x7fcae45120d0(184)]>
Set the NSUserDefault NSConstraintBasedLayoutVisualizeMutuallyExclusiveConstraints to YES to have -[NSWindow visualizeConstraints:] automatically called when this happens. And/or, break on objc_exception_throw to catch this in the debugger.
15/04/13 13:36:19,156 WindowServer[88]: kCGErrorNotImplemented: receive_notification: CPXSetEventFilter failed
15/04/13 13:36:21,063 Image Capture Extension[169]: [2] Failed to register for death of process with pid: 166
15/04/13 13:36:21,067 WindowServer[88]: kCGErrorNotImplemented: receive_notification: CPXSetEventFilter failed
15/04/13 13:36:21,507 apsd[58]: Unable to bootstrap_lookup connection port for 'com.apple.ubd.system-push': Unknown service name
15/04/13 13:36:21,788 WindowServer[88]: CGXDisableUpdate: UI updates were forcibly disabled by application "Calendar" for over 1.00 seconds. Server has re-enabled them.
15/04/13 13:36:22,655 librariand[180]: MMe quota status changed: under quota
15/04/13 13:36:24,388 WindowServer[88]: reenable_update_for_connection: UI updates were finally reenabled by application "Calendar" after 3.60 seconds (server forcibly re-enabled them after 1.00 seconds)
15/04/13 13:36:24,389 Calendar[149]: Lock Contention on CalendarStore Initialization
15/04/13 13:36:24,394 coreservicesd[61]: Can't change an application into stopped state for app App:"Calendrier" [ 0x0/0x9009] @ 0x0x7ff51b0096b0 because it's already been started.
15/04/13 13:36:24,703 Mail[147]: Using V2 Layout
15/04/13 13:36:26,225 com.apple.SecurityServer[15]: Session 100008 created
15/04/13 13:36:31,796 Dock[153]: find_shared_window: WID -1
15/04/13 13:36:31,796 WindowServer[88]: CGXGetWindowProperty: Invalid window 0xffffffff
15/04/13 13:36:31,796 Dock[153]: CGSCopyWindowProperty
15/04/13 13:36:31,796 WindowServer[88]: CGXGetScreenRectForWindow: Invalid window -1
15/04/13 13:36:31,796 Dock[153]: CGSGetScreenRectForWindow
15/04/13 13:36:32,568 WindowServer[88]: CGXDisableUpdate: UI updates were forcibly disabled by application "Safari" for over 1.00 seconds. Server has re-enabled them.
15/04/13 13:36:32,654 coreservicesd[61]: Can't change an application into stopped state for app App:"Console" [ 0x0/0x6006] @ 0x0x7ff519603da0 because it's already been started.
15/04/13 13:36:34,080 com.apple.launchd[1]: (com.apple.coreservices.appleid.authentication[122]) Exit timeout elapsed (20 seconds). Killing
15/04/13 13:36:37,558 WindowServer[88]: reenable_update_for_connection: UI updates were finally reenabled by application "Safari" after 5.99 seconds (server forcibly re-enabled them after 1.00 seconds)
15/04/13 13:36:37,672 com.apple.launchd.peruser.501[127]: (com.apple.afpstat-qfa[205]) Job failed to exec(3). Setting up event to tell us when to try again: 2: No such file or directory
15/04/13 13:36:37,672 com.apple.launchd.peruser.501[127]: (com.apple.afpstat-qfa[205]) Job failed to exec(3) for weird reason: 2
15/04/13 13:36:38,590 com.apple.launchd.peruser.501[127]: (com.apple.mrt.uiagent[198]) Exited with code: 255
15/04/13 13:36:41,000 kernel[0]: MacAuthEvent en1   Auth result for: 5c:35:3b:56:ff:70 MAC AUTH succeeded
15/04/13 13:36:41,000 kernel[0]: wlEvent: en1 en1 Link UP virtIf = 0
15/04/13 13:36:41,000 kernel[0]: AirPort: RSN handshake complete on en1
15/04/13 13:36:41,000 kernel[0]: wl0: Roamed or switched channel, reason #1, bssid 5c:35:3b:56:ff:70
15/04/13 13:36:41,000 kernel[0]: en1: BSSID changed to 5c:35:3b:56:ff:70
15/04/13 13:36:41,000 kernel[0]: en1::IO80211Interface::postMessage bssid changed
15/04/13 13:36:41,099 Mail[147]: Couldn't contact spell checker for Multilingual
15/04/13 13:36:59,458 mdworker[209]: Unable to talk to lsboxd
15/04/13 13:36:59,000 kernel[0]: Sandbox: sandboxd(215) deny mach-lookup com.apple.coresymbolicationd
15/04/13 13:37:01,870 sandboxd[215]: ([209]) mdworker(209) deny mach-lookup com.apple.ls.boxd

Does the Alrt for iCal sound when my Mac Mini is in sleep mode?

This is the first time I have visited this forum... I do hope you can answer this rather mundane question...not exactly high-tech, but the Geniuses at my local Genius Bar didn't know for sure....

No.

When I turn on my TV/AV receiver my Mac mini goes to sleep!?

This issue occurs regardless of whether the Mac Mini is in sleep mode or awake...
I have my Mac Mini connected to my HDTV, therefore I connect using an iPad as a remote.
When I turn on the TV and receiver (Onkyo), the Mac Mini will go in to sleep mode, even after showing the desktop with no problem (moments later it will turn off). This makes it very hard to wake up using any iPad apps, because even using wake on LAN functions these seem to have little effect. On some occasions I can use wake on LAN and this works, however most of the time this is unsuccessful. If the Mac Mini is already in sleep mode, I will of course have the same problems.
My main issue is that this is only started happening since upgrading to mountain lion and there was no problem before using lion.
Is anyone experiencing these issues and/or have any suggestions?

Try restarting you computer by holding down the option key, this should give you the option to select your startup volume, select Macintosh HD.

2010 Mac Mini won't sleep

Hello, everything was working fine until I accessed my mac mini from my old iMac G4 to share some files. Now my new Mac Mini won't sleep. Here is what I have done. Ejected the Mac Mini on the iMac. Turned off the iMac, stopped sharing everything on the Mac Mini including files, my printer and iTunes media and reset the PRAM. Still the Mac Mini won't sleep. It's set to it's defaults of 10 minutes to sleep the monitor and itself but only the monitor goes to sleep after the 10 minutes. Very frustrated...

Hello Euchre and thank you for replying. I have unchecked all the boxes within the "Sharing" options that I checked some time ago. When I did that, sharing was automatically turned off. Still I am having the issue. I'll try putting the monitor at 9 minutes and the computer at 10 to see if that works. I'll be back. Thanks again, Ed

When I use I tunes radio,click pause,leave mac to go into sleep mode,wake mac

when I use I tunes radio,click pause,leave mac to go into sleep mode,return press play I tunes will not resatrt on same station. I have to pick another for a few seconds and then return to original. then it works ok.
not a big problem but its annoying. Any ideas ?
thanks very much

I lugged the G4 around town to three different computer repair shops, and they all confirmed that I had installed the fans correctly, and all fans were running fine. Of course, this only makes the problem harder to solve.
Furthermore, my friend was using the G4 last night when it was a cool 72 degrees (F) in his apartment, and the computer still forced itself into Sleep mode after just over an hour of use. He was using Final Cut Pro at the time, editing a project spread across two external FireWire hard drives. I just can't imagine this amount of activity overheating the G4, which was my editing workhorse for six years before handing it over to my friend.
When I replaced the cooling fans, I did select new fans with slightly lower airflow than the original fans (which many people have replaced, due to the amount of noise they produce). Any opinions on whether that could be the issue?
_Case fan:_
Original: 151.85 CFM airflow
Replacement: 109.6 CFM airflow
_Power Supply fans:_
Original: 38.1 CFM airflow
Replacement: 26.5 CFM airflow

Does your Wifi drop when your iPad mini went into sleep mode after upgrading to iOS 7?

Dear iPad mini users, to those who have upgraded to iOS 7 like I did, do you experienced WiFi drop when your iPad is in sleeping mode? I noticed this problem only few days after upgrading my iOS. Initially I don't think there is such issue. After your iPad mini recover fom sleep mode, then it will automatically connect to WiFi again. My point is it no longer connected to WiFi in sleeping mode and so could not keep me up-to-date with my mail if I am on WiFi.
Do share your view and if there is a solution, do share with me please. I have tried almost all solutions available online but no no avail. At the moment, I am activating my 3G network so that when mail came in, my iPad will notify me even during its sleeping mode but this is getting expensive considering I am using the 3G 24 hours every day now.

I found an solution. Go to Settings/Mail, Contact, Calendar/Fetch new data and than enable Push and choose to fetch hourly or every 30 minutes. In this case your iPad will stay connected to wifi even when smart cover is closed. If you select Manualy than wifi connection will be terminated when in sleep mode.
(Not native english speaker, hope you'll understand)

How much time can an ipad mini stay in sleep mode with the smart cover on

How much time can an ipad mini stay in sleep mode with the smart cover on?

Hello Kavans,
Thank you for the details of the issue you are experiencing with your MacBook Pro. I recommend reviewing the following article for this issue:
Mac OS X: Why your Mac might not sleep or stay in sleep mode
http://support.apple.com/kb/HT1776
Thank you for using Apple Support Communities.
Best,
Sheila M.

Mac shuts down in sleep mode.

This just started to happen to my mac pro quad intel running the latest SNOW software. My mac shuts down in sleep mode. I tried to zap pram, but it ill not allow me to do this.
I also check the internal battery using a small program and its a full charge. Does anyone know how to fix this problem?
Thanks,
Tony

godlovestodance,
your Mid 2012 needs 1600 MHz memory modules. Is your currently installed RAM of this variety?
In your current setup, is it your 1 TB HDD or your 256 GB SSD that is in the optical drive bay?
One thing you can try is this: boot your MacBook Pro into Recovery mode by holding down a Command key and the R key as it starts up. Once the Mac OS X Utilities menu appears, select Disk Utility. On the left-hand side of the Disk Utility window, select your internal disk’s boot partition (typically called “Macintosh HD”). On the right-hand side, press the Verify Disk button if it’s not greyed out; if it is greyed out, or if it reports that errors were found, press the Repair Disk button. Once the verification/repair is completed, exit Disk Utility and select Restart from the Apple menu to restart in normal mode. Does it still crash because of an extended sleep?

Chirping noise on Mac Mini problem

Mac Mini makes chirping noise-stops when top icons selected
New Mac user here, upgraded to Leopard but problem also occurred under Tiger -- Problem: periodically (no apparent reason), while browsing with either Safari or Firefox, Mac mini starts making a chirping noise -- chirping will stop under a few conditions -- e.g., if icon on top (i.e., Bluetooth, Wireless, speaker, etc) is selected) -- chirping will resume when mouse is brought back down on desktop -- eventually closing browser or some other action will stop the chirping -- doesn't "appear" to me to be hardware as indicated in other previous posts --- anybody have any thoughts?
Thanks in advance --

Welcome to Apple Discussions!
While it hasn't been reported very often at all, this 'chirping' has cropped up a couple of times with new minis, though there has not been any apparent cause or cure that I recall being discussed.
First thing to do is test to see if this is drive related. I would download a copy of MenuMeters (http://www.ragingmenace.com/software/menumeters/) and set it to display at least the disk activity and paging indicators (the latter in the memory tab). Watch to see if the chirping is then associated with disk read or write activity. If it is, then you may have a drive problem, and at the very least should ensure that you take regular backups, or indeed have the system examined with a view to possibly replacing the drive.
If the chirping is not associated with disk activity, then it becomes rather harder to pin-point, but if the system is still under warranty, I'd be inclined to have Apple, or an authorized service provider, look at it. If not under warranty but you have an Apple store in your area, you could take it in to have a 'genius' look at it, though beware that in the bustle of a retail store, noises may be harder to hear of course.

MAC Mini late 2014 Sleep Wake issue

I just bought a MAC Mini late 2014 version with Yosemite pre-installed, and got a similar sleep wake problem.
It's connected to an ASUS IPS 27" screen using HDMI interface. When the Mac goes to sleep after 15 min, or when I press the button to force it to sleep.
If you type on the keyboard and the trackpad within 1 minute (before the screen also goes to sleep because of no HDMI signal), then the wake up will work.
If you wait till the screen goes to sleep also, then no matter how hard you pound on the keyboard or on the track pad, the MAC will not wake up.
The only way to wake it up is to power off the screen, then power it on again. Then type on the keyboard or move your track pad while doing that.
This is really annoying. I have to set to "Never" turn the display off to avoid this issue.
Called the Apple tech support who recommended I set up the energy saver like this below. But still could not fix the issue.
He told me to bring the Mac mini back to the shop to check.
I doubt it's a hardware issue. My theory is that this could be a software bug that somehow
the setting of "Prevent computer from sleeping automatically when the display is off" is not in effect even if you turned it on in the power saver preference.
So, when the computer goes to sleep, there is no more HDMI signal, then the screen also goes to sleep.
And if "Prevent computer from sleeping automatically when the display is off" is not in effect, then even if you type on the keyboard, the computer will not wake up as the screen is asleep. The screen will not wake up as no HDMI signal comes from the computer.
This turns into a viscious cycle, or a deadlock. Nobody is waking up.
This is simple logic. I don't know why systems are designed to work like that. Just too annoying....
I hope apple can fix this software bug asap.
I did try to convert my HDMI cable to min-display port and try to plug that into the thunderbolt port to see if it helps.
The same issue appears. The only difference is, with the HDMI port, once I am able to wake up the computer by power cycling my screen, i will see that I am prompted with a login screen, even if I set up my computer to auto login.
but when I use the display port, when I managed to wake up the MAC, it bypasses the login screen.

Some updates on this. I tried two other 22" screen. Both of the seems to be working fine with sleep wake, but takes between 40 sec to one min to wake up after you typed something.
Topcon hdmi 22" screen
17 sec after keystrokes to turn wake screen
40 sec to wake computer
AOC hdmi 22" screen
19 sec after keystrokes to turn wake screen
38 sec to wake computer
I tried to switch to two other HDMI cables to see if it'll improve the situation of my original ASUS VX279 IPS HDMI screen.
But it didn't. Still never wakes up after it the MAC goes to sleep until you power cycle the screen.
I guess there is some hardware compatibility issue here.
Let me bring my mac mini to the shop to see if a replacement will help.

Intel Mac Mini wakes from sleep (for no reason) after installing leopard

My mac mini keeps waking after its been put to sleep (both by selecting sleep by hitting the power button or using the apple menu item.
This only happens now I've upgraded to leopard; with tiger, all was fine.
Any ideas what's going on? The iChat logging in noise blasting through my speakers at 1am last night gave me a bit of a fright!

This may be something like a driver, application or external device which is not fully Leopard compatible, or even a component of MacOS if you upgraded to Leopard rather than did a clean install. To start the process of troubleshooting, first download and install the full 10.5.1 update from http://www.apple.com/downloads/macosx/apple/macosx_updates/macosx1051update.html , even if you have already updated to 10.5.1 using software update. The full updater has been reported to resolve a number of minor issues.
Next, assuming that doesn't resolve it, start up your mini, put it to sleep and then disconnect everything. If it continues to wake unpredictably, the issue is with the mini itself, and you may be best to backup all your data and do an erase and install to resolve any residual issues caused in the upgrade. If, on the other hand, the system remains sleeping, it points to an external device being the culprit, in which case plug each one in, one at a time until you can create the unpredictable waking again. Whichever component was last plugged in, is the primary suspect!

My Mac Mini log-off/sleep fails

I have a Mid 2011 Mac Mini, 2.7, Intel Core Duo i7,model 5,2. My usual habit is to log-off for the day, then select sleep. This has worked just fine for the past 15 months. ( I purchased it in Feb 2012.)
A couple of weeks ago, when I sat down and hit the space bar to log-in, it instead showed my desktop. ?? It made me think 'someone" has control of my computer & is doing me some harm. This happened again several days later. So I decided to shut down daily.
After a while, I decided to try log-off/sleep again. But this time, my screen stayed black, and I noticed that my mac mini's on-light no longer pulsed. So I hit the start button. Nothing happened. So I turned off the power strip & when I turned it back on, the familiar chime came on and up came my desktop. Otherwise everything seems to be working well. I tested log-off/sleep again today, and, sure enough, after about 2-1/2 hours it did it again. I'm doing daily backups now just in case.
This really bothers me. Can anyone tell me what's going on? Should I contact tech support (I'm still covered by AppleCare).???

Hi Sharon, could be many things...
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts (Users & Groups in later OSX versions)>Login Items window to see if it or something relevant is listed. Or an errant process eating up RAM.
Check the System Preferences>Other Row, for 3rd party Pref Panes.
Also look in these if they exist, some are invisible...
/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
/System/Library/LaunchDaemons
/Library/LaunchDaemons
Or...
Have you done a PRAM reset, CMD+Option+p+r...
http://support.apple.com/kb/HT1379
In fact, do 3 in a row, takes a bit of time.
Intel-based Macs: Resetting the System Management Controller (SMC)...
http://support.apple.com/kb/HT3964
Or...
The 2012 macs (and later apparently) not waking normally from sleep after hours being in sleep. (noted here ...
http://www.xlr8yourmac.com/archives/feb13/022813.html#2012macswontwake
"Why 2012 iMac/2012 Mac Mini won't Wake After Hours of Sleep (Hibernates/Powers Off)")
The sleepimage file still reappears even if never slept. Delete it (hibernate off, etc) - within minutes its back.
A note on that here - http://www.xlr8yourmac.com/feedback/Chameleon_SSD_Optimizer.html
About iMac sleep...
http://forums.macrumors.com/showthread.php?t=1529750
Try this: "sudo pmset autopoweroff 0" and "sudo pmset standby 0"

My Mac Mini goes to sleep when I turn off my TV.

Hello and thanks in advance for all help. I have a Intel mac mini that I currently have hooked up via DVI/DVI cable to my Sony LCD television. I recently upgraded the OS to 10.5 from 10.4. The issue that I am having after the OS upgrade has to do with the Mac going to sleep after I turn the TV off. It also goes to sleep if I set up the display to sleep after a period of time even if I have the computer itself set to never sleep. Right now I have the computer set to never sleep and the display to never sleep but when we turn the TV off the computer goes to sleep anyway. The reason why I need the computer to stay awake is because we use a Magicjack at our home for our local phone service and it is plugged into one of the USB ports on the computer. If the computer goes to sleep we loose our home phone service. I am wondering what could be causing the computer to sleep when the display is turned off. When I upgraded to 10.5 I did a clean install and not a upgrade.
Any help would be greatly appreciated.
Thanks very much to all.

Thanks so much for your help. This fixed things perfect. The only thing I may add for anyone else that has this issue is that it is important to reconnect the power cable to the computer first and then after a few seconds reconnect all of your other cables. The first time I tried it I reconnected the power cable last and it still didn't fix things. I gave it another try reconnecting the power cable first and now everything is perfect.
Thanks again for your help,
Rich

Speaker noise while Mac Mini is in sleep mode

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