External monitor initially flashes on waking from sleep

I recently upgraded to 10.4.8. My PowerBook is connected to an external monitor and now often flashes when I wake the machine from sleep. It takes a while too settle down but then works fine. If I wake from sleep without the external monitor, there are no problems. I had no problems using 10.1. Does anyone have a fix?
G4 PowerBook (PowerBook6,1) Mac OS X (10.4.8) 867 MHz

I found the following article from Apple: TA20612. It reads as follows:
"The popping sound does not indicate any software issue or hardware failure. This is a normal part of hardware-software initialization after waking from sleep or during startup."
I'm a bit skeptical. I think I would have noticed this on the old iMac. Since I haven't yet sold it, I'm going to try to arrange for some side-by-side testing. I'll update this thread when I have the results.

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Green pixels on external monitor with MBA coming up from sleep?

Has anyone else experienced green pixels on external monitor with MBA coming up from sleep? I can get rid of these pixels either restarting MBA or switch off the monitor for a five secs and then switch it back on. These pixels do not show up within screenshots.. or neither on MBA own screen but they do reappear on external monitor (used with mini DP-DVI-adapter) after every sleep cycle.
http://ssh.nbl.fi/~nbl4264/gp/ (few pics where these green pixels appear on)

I have the same issue with my new macbook.
When i wake the computer from a partial sleep the screen flickers and i get line distortion through the image.
If i put the machine to sleep unplug the mini dvi adapter and replug it in and wake the computer up the problem disappears.
The issue is also intermittent doing about 3 times out of every 10 wake ups...
If anyone has any suggestions it would be great, I a using a new Dell 2208WFP monitor.

External Hard Drive Fail After Waking from Sleep

Hi,
I've been having this issue for over a year (since upgrading to Lion, and now still persists after upgrading to Mountain Lion), and I haven't been able to find the exact answer I need after searching through the posts here, and on the internet.
I have a 2011 MBP, and after upgrading to Lion last year, I've noticed that my WD external hard drive for the Mac has issues to be recognized after the laptop wakes from sleep. The drive icons are still there on the desktop, and all the files are listed. However, I cannot open any of the files, and Time Machine backup automatically fails.I am able to eject the drives by dragging the icons into the trash can. However, nothing happens if I simply unplug the fire wire 800 cable and re-plug it into the computer after ejecting the drives. I need to reset the external drive by unplugging both the fire wire cable and the power supply, and replug everything.
Aside from being a hampering process after waking from sleep, this is also very stressful on the drive itself, so I would like to fix this. Does anyone know the issue behind this or have a solution? Thanks in advance!

Thanks for this, and apologies for delay in replying...in between seeing your post I backed up the ext hdd to another mac and used the disc utility to erase and repair and then re mounted the ext hdd. OK. I have then tested the ext hdd being recognised when waking from sleep mode a few times and everything appears to be fine. If this doesn't work (long term) I will follow the instructions as you have suggested....
I now have a new problem with my HP printer (Photosmart Plus) which is not being recognised by a new wireless router..Ok whilst the router is switch on and I have reconfigured the printer..but when the router is switched off overnight and then switched back on...I get a 'printer is not connected' message and have to go through the re configure routine all over. I am minded to think this is a router problem as the same issue is happening to my wifes Mac Book Pro (which is only a few weeks old)...any suggestions..

External Hard disk unresponsive after waking from sleep

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I got home from work today and was forced to hard restart AGAIN. It seems to be happening more and more often now, but maybe that is just me.
My logitech revolution mouse has never caused problems before with a g4 powerbook or g5 tower. The last thing I added was the apple wireless keyboard. I can't imagine it being the problem since it is using an apple product with an apple computer.
I read the link you sent and used Disc Utility to repair disc permissions and received the following warnings:
Repairing permissions for “Macintosh HD”
Warning: SUID file "usr/libexec/load_hdi" has been modified and will not be repaired.
Warning: SUID file "System/Library/PrivateFrameworks/DiskManagement.framework/Versions/A/Resources /DiskManagementTool" has been modified and will not be repaired.
Warning: SUID file "System/Library/PrivateFrameworks/DesktopServicesPriv.framework/Versions/A/Reso urces/Locum" has been modified and will not be repaired.
Warning: SUID file "System/Library/PrivateFrameworks/Install.framework/Versions/A/Resources/runner " has been modified and will not be repaired.
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Permissions repair complete
I don't know if that has anything to do with the issue I'm having or not. Help!!!

Since updating to Lion the iMac won't recognise the external hard drive (maxtor) when waking from sleep mode,

Hi All, Since updating to Lion, my imac won't recognise the ext HDD (Maxtor) when waking from sleep mode, I have tried another port, diisc utility (Ext HDD not listed in here) but nothing works. I now find that I have to restart the imac to get the drive recognised..which is fine until the imac goes into sleep mode then I lose the drive and have to restart etc etc.....anyone suffering same issue. The Ext Drive worked perfectly until the upgrade..

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2014 Mac Mini connected to Samsung s22b310b monitor colors bad upon waking from sleep.

Occasionally when I wake the 2014 Mac mini from sleep the colors on the monitor are very bright. I go into systems preferences and then display. I click on the color button and it will change back to normal. I have tried both a DVI to mini displayport and VGA to mini displayport. Problem occurs with both. What else can I try to prevent this from happening?

Try resetting the SMC and PRAM
Intel-based Macs: Resetting the System Management Controller (SMC)
About NVRAM and PRAM

DVI monitor fuzzy sometimes when waking from sleep

Hi there,
I have a new Samsung SyncMaster P2350 connected via MiniDisplayPort > DVI adapter. Works great 90% of the time.
I use the monitor primarily as my main and have the MBP lid closed.
Sometimes when waking the MBP by moving the mouse the screen will come back up all fuzzy (much like an old television on no channel). I then turn the monitor off and back on and the picture returns..!
I know this is not the monitor or the adapter itself as a friend came over a few weeks ago with his adapter and we connected the MBP to my Panasonic Plasma and initially had the same problem.
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Thanks,
Brett

The weird thing is that every morning, when I move my mouse to wake the computer, both displays go from black to show the desktop but the second display immediately goes back to black. Unplugging it and plugging it back in eventually works after multiple trys. Restarting the computer sometimes works but not always.
The only other major change to my computer before this started happening is that I installed Leopard.
So far I've tried setting my Macbook Pro not to go to sleep but that didn't change anything.
Should I try setting my displays not to go to sleep either? I haven't tried that because Energy Saver warned me that it could reduce the lifespan of the display.

Monitor Blanks in and Out When Waking From Sleep

Since getting my Mac Pro (with Apple installed RAM and NVIDIA GeForce 8800 GT), I've noticed that the screen does not immediately turn on when waking from sleep, as my older Macs did. Rather, it turns on for a split second, goes blank for two seconds, turns on again for a split second, goes off again for a second or more, and then comes on permanently.
This behavior only occurs when waking from sleep; it does not occur when the monitor turns on from the active screen saver.
Is this normal for the MAC Pro with an NVIDIA GeForce 8800 GT? I have a HP w2408h monitor with a DVI to HDMI cable. Everything else works fine, including all video behavior.
Thank you.

Hm. Bluetooth, interesting. Thanks for the idea.
I just opened the lid to see about the BT setting and the display didn't go off-on. The BT is off, I'm pretty sure I did that when setting it up as I don't use BT for anything.
I wasn't suspecting anything was seriously wrong, it's just that quick-on feature was highlighted as a selling point and I was curious about the glitch, if it was a setting I could change, for instance like you've highlighted. Annoying when things don't work as advertised.
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When waking from sleep getting "Device Removal" error on Lacie external

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Getting this same error since switching from Firewire to USB. I have a Maxtor drive in an Adaptec enclosure. It has it's own power supply and both USB and Firewire 400 connections. Just upgraded to a new Mini from old Powerbook, so no more Firewire 400!
The big difference between USB and FW:
With the old PB G4 and Firewire, when I put it to sleep, I could hear the external drive actually spin down. On wake up, It would spin up and mount properly. Now with the Mini and USB, when I sleep the Mini, the external drive NEVER SPINS DOWN. I did some research and found that many drives have built-in power management that basically powers them down after some idle time. So the Mini is going to sleep with mounted drives, at some point later the drive sleeps itself, then when the Mini wakes, the drive's not there.
Obviously, Firewire is doing a better job of talking to my external than USB. I'm ordering a FW400-to-800 cable and will test this. I also think it has something to do with the chipset/firmware in the external enclosure, as many people are reporting their external USBs behave properly during sleep.

White screen after waking from sleep when external display is attache

Waking from sleep mode to lock screen when a secondary monitor is connected with an HDMI cable presents a blank white screen with user icon but no other elements, including the box where one enters their password. The remaining UI elements appear only after disconnecting the HDMI cable.
Configuration:
MacBook Pro (Retina, 15-inch, Mid 2014) with nVidia GPU

Send Apple feedback. They won't answer, but at least will know there is a problem. If enough people send feedback, it may get the problem solved sooner.
Feedback
Mail/Provide Mail Feedback
Or you can use your Apple ID to register with this site and go the Apple BugReporter. Supposedly you will get an answer if you submit feedback.
Feedback via Apple Developer

SyncMaster Profile is lost after waking from sleep

I recently updated my Mac OS to Mt Lion (from Snow Leopard). The SyncMaster is attached as a 2nd monitor and was working just fine for years under Snow Leopard.
Now, under Mt Lion, while the SyncMaster does come up initially with the correct settings (1680x1050 - 60Hz) on a fresh boot — after the computer sleeps and wakes up it often (but not always) comes back with only a Generic VGA profile in the Display Preferences and the resolution is set to a less-than-useful resolution (1400x1050 - i.e., stretched too wide).
How can I get Mt Lion to retain its connection to the SyncMaster Profile when waking from sleep?
For reference, here is the Preferences after a (re)boot — note that it recognizes "SyncMaster" in the titlebar:
And this the the resolution, which is the correct setting:
Then, waking from sleep, it's now set to this — note the generic (VGA) rather than the SyncMaster in the titlebar:
And this is the resolution that it thinks is "best" — and there is no option to specify the desired 1680 x 1050 @ 60 Hz:

Yes, I've just noticed that! I've been trying device sleep for the last couple of days and had noticed that (so far) this method does not tend to lose the resolution settings when awakening. (I hadn't tested it enough to see if this works 100%.)
Another thing I've tried is to 'wake up' the screen (from screen sleep) using one of the computer's keyboard keys rather than clicking the (wireless) mouse or tapping the external keyboard key. When the screen wakes up from a mouse-click, it shows the normal display, then quickly flashes a solid/blank screen, and then comes back with the bad resolution setting -- like it was going out to search for the profile rather than simply waking up with the profile it last had. The odd thing about that is that if I leave the computer setup with the 'bad' setting on the 2nd monitor, let it go into display-sleep again, and then wake it up, it typically goes back to the correct settings ... like its toggling between profiles.

After upgrading to Tiger, freeze after waking from sleep on PM G4

My experience with Tiger in the past week as not been great. The reason I upgraded was to get iSync 2.1, so that my Moto E815 phone could be sync'd with my OSX AddresBook and iCal. This wasn't possible with the latest version of Panther.
So, I upgraded to Tiger 10.4.3, and now my G4 freezes immediately after waking from sleep. After pressing the 'return' key to wake the computer, the G4 sends a signal to wake the monitor, but on top of the screen saver is a black text box which states there was a problem I must press (and hold) the power button to restart the Mac. It's written in four languages.
When I installed Tiger, I used the 'archive' option.
My computer is a bit of a FrankenMac: Originally a G4/350 with AGP, upgraded with a Sonnet 1GHz G4 processor card, 1.12GB RAM, a 160GB HDD, an nVidia GeForce3 64MB AGP video card, Samsung DVD/CR-RW drive (Patchburn3) and a Belkin PCI card with 2 additional Firewire ports and 3 additional USB 2.0 ports. When I performed the upgrade, I had the keyboard and mouse plugged into the case USB 1.1 ports, a Logitech Notebook Pro USB camera plugged into the other case USB 1.1 port, and a D-Link BT120 USB->BT adapter plugged into one of the three USB 2.0 ports on the Belkin PCI card.
When I check the Console logs after the rebooting, I see a kernal panic in the panic.log. Apple has received this a number of times from me in the past week as I keep sending them 'talkback' logs after the fact.
I also see an error in the system.log which may reveal what is going on:
Nov 20 18:54:40 localhost kernel[0]: standard
timeslicing quantum is 10000 us
Nov 20 18:54:40 localhost mDNSResponder-107.3 (Aug 22
2005 11: 46:54)[44]: starting
Nov 20 18:54:40 localhost kernel[0]:
vmpagebootstrap: 284852 free pages
Nov 20 18:54:40 localhost kernel[0]:
migtable_maxdispl = 70
Nov 20 18:54:40 localhost kernel[0]: 71 prelinked
modules
Nov 20 18:54:40 localhost kernel[0]: Copyright (c)
1982, 1986, 1989, 1991, 1993
Nov 20 18:54:40 localhost kernel[0]: The Regents of
the University of California. All rights reserved.
Nov 20 18:54:40 localhost kernel[0]: using 2949 buffer
headers and 2949 cluster IO buffer headers
Nov 20 18:54:40 localhost kernel[0]: USBF: 14.270 Bus
9 already taken
Nov 20 18:54:40 localhost kernel[0]: USBF: 14.270
AppleUSBOHCI[0x2057000]::start OHCI controller will be
unloaded across sleep
Nov 20 18:54:40 localhost kernel[0]: FireWire (OHCI)
TI ID 8019 built-in now active, GUID 000a27ff
feb38fe6; max speed s400.
Nov 20 18:54:40 localhost kernel[0]: FireWire (OHCI)
VendorID 1033 ID cd PCI now active, GUID 0000303c
0008c32e; max speed s400.
Nov 20 18:54:40 localhost kernel[0]: Security auditing
service present
Nov 20 18:54:40 localhost kernel[0]: BSM auditing
present
Nov 20 18:54:40 localhost kernel[0]: disabled
Nov 20 18:54:40 localhost kernel[0]: rooting via
boot-uuid from /chosen:
474ACE52-2523-3EE7-9C54-DDC3734C7922
Nov 20 18:54:40 localhost 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>
Nov 20 18:54:40 localhost kernel[0]: Got boot device =
IOService:/Core99PE/pci@f2000000/AppleMacRiscPCI/pci-bridge@D/IOPCI2PCIBridge/ma c-io@7/AppleKeyLargo/ata-4@1f000/KeyLargoATA/ATADeviceNub@0/IOATABlockStorageDri ver/IOATABlockStorageDevice/IOBlockStorageDriver/HDS722516VLAT80
Media/IOApplePartitionScheme/AppleHFS_Untitled2@10
Nov 20 18:54:40 localhost kernel[0]: BSD root:
disk0s10, major 14, minor 10
Nov 20 18:54:40 localhost kernel[0]: jnl:
replay_journal: from: 2668032 to: 12288 (joffset
0xe04000)
Nov 20 18:54:40 localhost kernel[0]: Jettisoning
kernel linker.
Nov 20 18:54:40 localhost kernel[0]: Resetting
IOCatalogue.
Nov 20 18:54:40 localhost kernel[0]: Matching service
count = 2
Nov 20 18:54:40 localhost kernel[0]: Matching service
count = 4
Nov 20 18:54:40 localhost kernel[0]: Matching service
count = 4
Nov 20 18:54:40 localhost kernel[0]: Matching service
count = 4
Nov 20 18:54:40 localhost kernel[0]: Matching service
count = 4
Nov 20 18:54:40 localhost kernel[0]: NVDANV20HAL
loaded and registered.
Nov 20 18:54:40 localhost kernel[0]: CHUDProf.kext
version: 4001000
Nov 20 18:54:40 localhost kernel[0]: raw version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT
2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
Nov 20 18:54:40 localhost kernel[0]: CHUDUtils.kext
version: 4001000
Nov 20 18:54:40 localhost kernel[0]: raw version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT
2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
Nov 20 18:54:40 localhost kernel[0]: IPv6 packet
filtering initialized, default to accept, logging
disabled
Nov 20 18:54:41 localhost kernel[0]: UniNEnet:
Ethernet address 00:0a:27:b3:8f:e6
Nov 20 18:54:41 localhost launchd: Server 292f in
bootstrap 1103 uid 0: "/usr/sbin/lookupd"[42]: exited
abnormally: Hangup
Nov 20 18:54:41 localhost lookupd[56]: lookupd
(version 365) starting - Sun Nov 20 18:54:41 2005
Nov 20 18:54:41 localhost diskarbitrationd[36]:
disk0s10 hfs
474ACE52-2523-3EE7-9C54-DDC3734C7922 Onyx
Nov 20 18:54:41 localhost kernel[0]: jnl:
replay_journal: from: 1374208 to: 1564160 (joffset
0x624000)
Nov 20 18:54:41 localhost diskarbitrationd[36]:
disk1s10 hfs
947C0EA5-F775-330F-82D9-D2F8B65F7357 Backup
/Volumes/Backup
Nov 20 18:54:43 localhost kernel[0]: NVDA,NVMac: vram
[98000000:08000000]
Nov 20 18:54:43 localhost
/System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow:
Login Window Application Started
Nov 20 18:54:43 localhost loginwindow[72]: Login
Window Started Security Agent
Nov 20 18:54:44 localhost mDNSResponder: Adding browse
domain local.
Nov 20 18:54:45 localhost kernel[0]:
UniNEnet::monitorLinkStatus - Link is up at 100 Mbps -
Full Duplex
Nov 20 18:54:45 Jason-Radtkes-Computer configd[34]:
setting hostname to "Jason-Radtkes-Computer.local"
Nov 20 18:54:47 Jason-Radtkes-Computer configd[34]:
executing
/System/Library/SystemConfiguration/Kicker.bundle/Contents/Resources/enable-netw ork
Nov 20 18:54:47 Jason-Radtkes-Computer configd[34]:
posting notification
com.apple.system.config.network_change
Nov 20 18:54:47 Jason-Radtkes-Computer lookupd[82]:
lookupd (version 365) starting - Sun Nov 20 18:54:47
2005
Nov 20 18:54:49 Jason-Radtkes-Computer configd[34]:
target=enable-network: disabled
I suspect the problem where the USB devices are started, because I had that Bluetooth adapter plugged in at the time of the upgrade. I'm speaking of the lines in the log which start with 'USBF'. The keyboard and mouse are useless when the black screen shows up after waking from sleep.
I've tried some of the suggestions I've found for the iBook 'wake from sleep' postings on macfixit.com and here - resetting NVRAM and removing a few of the .plist files. This didn't seem to help.
I would greatly appreciate help in resolving this issue. I've been a Mac owner since the original Macintosh (it's still in my house) and am frustrated that this is the first problem I've encountered.
Thanks in advance for your help.

Thanks. In fact I had bought a new keyboard and mouse (Macally) and sure enough, if I unplug it before it reboots, the CD drive door stays closed and I can boot from a CD! I did not try any of the other stuff. Is there any way to get it to stop this? Why does a USB peripheral cause the CD to eject anyway? Would love to know!
Ron

Leopard forgets color profiles when waking from sleep on MBP Santa Rosa

I have a 15" MBP Santa Rosa with a 22" Samsung external monitor. I performed a clean (erase and) install on my machine. Upon waking from sleep, the computer seems to have forgotten the color profiles loaded for the displays. To correct this, I open system preferences and then the display option. As soon as the display options are shown on the window, my MBP loads the correct profile. This has happened for both displays, though far more frequently on the external display. The profile for my Samsung was created using color calibration hardware/software but the MBP display is running the stock profile from Leopard.
Any thoughts? Has anyone else experienced this?

same issue here. also had it in tiger, but much more frequently in leopard. seems to be whenever my display wakes from sleep.
MBP 2.4 GHz SR purchased 6/07. also driving samsung 245bw external display (which has never been affected, unless perhaps my calibrated and default profiles aren't different enough for me to notice--the difference is severe on my built-in display).
console contains this:
2/26/08 4:56:33 PM [[0x0-0xaf0af]].com.apple.systempreferences[[4593]] objc[[4593]]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Con trast.monitorPanel/Contents/MacOS/Contrast and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Geo metry.monitorPanel/Contents/MacOS/Geometry. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Geo metry.monitorPanel/Contents/MacOS/Geometry.
2/26/08 4:56:33 PM [[0x0-0xaf0af]].com.apple.systempreferences[[4593]] objc[[4593]]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Geo metry.monitorPanel/Contents/MacOS/Geometry and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/VPT .monitorPanel/Contents/MacOS/VPT. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/VPT .monitorPanel/Contents/MacOS/VPT.
2/26/08 4:56:33 PM [[0x0-0xaf0af]].com.apple.systempreferences[[4593]] objc[[4593]]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/VPT .monitorPanel/Contents/MacOS/VPT and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Bez el.monitorPanel/Contents/MacOS/Bezel. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Bez el.monitorPanel/Contents/MacOS/Bezel.
2/26/08 4:56:33 PM [[0x0-0xaf0af]].com.apple.systempreferences[[4593]] objc[[4593]]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Bez el.monitorPanel/Contents/MacOS/Bezel and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Ext endedTouchSwitch.monitorPanel/Contents/MacOS/ExtendedTouchSwitch. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Ext endedTouchSwitch.monitorPanel/Contents/MacOS/ExtendedTouchSwitch.
2/26/08 4:56:33 PM [[0x0-0xaf0af]].com.apple.systempreferences[[4593]] objc[[4593]]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Ext endedTouchSwitch.monitorPanel/Contents/MacOS/ExtendedTouchSwitch and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Pow erMode.monitorPanel/Contents/MacOS/PowerMode. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Pow erMode.monitorPanel/Contents/MacOS/PowerMode.
2/26/08 4:56:33 PM [[0x0-0xaf0af]].com.apple.systempreferences[[4593]] objc[[4593]]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Pow erMode.monitorPanel/Contents/MacOS/PowerMode and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Aut horization.monitorPanel/Contents/MacOS/Authorization. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Aut horization.monitorPanel/Contents/MacOS/Authorization.
2/26/08 4:56:33 PM [[0x0-0xaf0af]].com.apple.systempreferences[[4593]] objc[[4593]]: Class O3Panel is implemented in both /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/Aut horization.monitorPanel/Contents/MacOS/Authorization and /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/TVO ptions.monitorPanel/Contents/MacOS/TVOptions. Using implementation from /System/Library/MonitorPanels/AppleDisplay.monitorPanels/Contents/Resources/TVO ptions.monitorPanel/Contents/MacOS/TVOptions.
Message was edited by: thomas jerde

Resolution change when waking from Sleep

I will at times hook up my MBP to a plasma display to show photos. Now-sometimes when waking from sleep (and not attached to an external monitor), it reverts back to 800x600. I have to go to SP to displays and re-detect the MacBook display. Unpredictable and frustrating.

Lets get a few details straightened out first:
1. What cable are you using to connect? DVI, VGA, HDMI, component, composite, s-video, etc.?
2. What resolution is it when you connect? If your plasma is an HDTV, it is capable of taking much higher than 800x600, so depending on the cable you use, you can adjust that to make it higher or even the same native resolution.
3. When you disconnect, is the computer running, or closed/sleeping? If you close, then disconnect, it might think the display is still connected. Or, rather, after switching resolutions back, later on when you open it up it suddly changes to a lower res?
In the meantime, in system prefs, in "Displays" check the box that says "Show displays in menu bar" and then you will get a menu up top to choose your displays and resolution sizes. That will at least make it easier to change.

Macbook Pro restart after waking from sleep

Hi all,
Since I've installed Mountain Lion (10.8.2) on my 13" Late 2011 Macbook Pro I've been experiencing a quite annoying problem. The computer, which is connected to an external monitor through Thunderbolt to HDMI will restart (Sometimes to a gray screen with a progress bar) after waking from sleep. I've done some research and it would appear as though the problem is related to the display driver.
I'm wondering if anyone has any experience with this peculiar problem or if there's a quick solution.
Thanks!

Maybe this will help. If you monitor the "More Like This" box, other solved threads appear. Opening them usually displays other threads.
https://discussions.apple.com/message/19675376#19675376

External monitor initially flashes on waking from sleep

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