Computer won't start & fails to wake from sleep

First post -- I have a 2009 HP Pavilion Elite w/Windows7. Good box & OS, never a problem until now. Started about a month ago w/the box not waking up from "sleep" -- no response (power light turned from amber to blue as usual but nothing else happens). Had to turn it off, but then won't come back on! After 10-15 minutes of repeated power-on button presses, it starts back up. Removing/reinserting the power cord during trys doesn't help. Occasionally it starts right up from sleep, but usually has this problem. Windows7 is up-to-date and no viruses or malware detected. HP or Microsoft diagnostics show no issues.
I opened the box to clean out dust -- also took off the CPU heatsink (really dusty) & cleaned it too. Fans rotate easily & aren't an issue.
So now I have "sleep mode" turned off, but occasionly the box has to be turned off & afraid it won't come back on. I've seen some of the HP videos & will try shorting the two start-up pegs on the MBoard, but the power-switch was hardly ever used & I seriously doubt that's the problem -- it wouldn't have anything to do w/the sleep-wakeup problem. Any suggestions?

Hello @beng1,
I understand that your desktop computer is not able to wake from sleep mode, or power on intermittently. I would be happy to assist you in this matter!
To enable your system to successfully wake from sleep mode, I recommend following the steps in this document on Troubleshooting sleep and hibernate issues (Windows 7).
Additionally, I also recommend following the steps below to restore the power settings on your computer:
Step 1. Click the Start button
Step 2. In the search box, type "Command Prompt"
Step 3. Right-click Command Prompt
Step 4. Click Run as administrator
Step 5. At the command prompt, type powercfg /restoredefaultschemes and press Enter 
In regards to the computer not powering on, I suggest following this resource on Computer Does Not Start (Windows 7). This should help enable your computer to consistently power on.
If the issue persists, please call our technical support at 800-474-6836. If you live outside the US/Canada Region, please click the link below to get the support number for your region.
http://www8.hp.com/us/en/contact-hp/ww-phone-assis​t.html
I hope this helps!
Regards
MechPilot
I work on behalf of HP
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the right to say “Thanks” for helping!

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    Hello All,
    I've had my Mac Pro since Aug. 2007. Never had any problems of any kind until this morning.
    To wake from sleep (as I always do): depressed arrow key (10:43 AM). There was a delay - then the spinning beach ball for about 2 min. I did a hard shutdown, waited a bit, then restarted at 10:52 AM. Boot up was (as always) quick.
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    But - the second item on the System Log showed the "wake from sleep" sequence (at 10:43 AM).
    I'm going to post the entire wake from sleep log below but first I'll state what was obvious to me:
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    The log for the manual startup at 10:52 showed some apparent problems as I note below.
    Next: Once logged in as admin - I launched Activity Monitor just to assure myself that all four CPUs were at least registering - and they were / are.
    Hoping someone here can more thoroughly analyze this log report and give me an idea of the cause of the failure to waken.
    Naturally, I won't want to put the Mac Pro to sleep again until I'm sure this isn't a "permanent" problem requiring further action (including service, of course).
    Also noticed a statement about some app not having correct permissions (apparently at the System level) and something about removing several orphaned files. There's a warning about CarbonCopyCloner scheduled tasks as well. But there my understanding ends.
    Thanks in advance:
    System Log Report
    Jan 30 10:43:04 Macintosh kernel[0]: System Sleep
    Jan 30 10:43:04 Macintosh kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes
    Jan 30 10:43:04 Macintosh kernel[0]: Started CPU 01
    Jan 30 10:43:04 Macintosh kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes
    Jan 30 10:43:04 Macintosh kernel[0]: Started CPU 02
    Jan 30 10:43:04 Macintosh kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes
    Jan 30 10:43:04 Macintosh kernel[0]: Started CPU 03
    Jan 30 10:43:04 Macintosh kernel[0]: System Wake
    Jan 30 10:43:04 Macintosh kernel[0]: USB caused wake event (EHCI)
    Jan 30 10:43:06 Macintosh kernel[0]: Intel8254x -- Link Up -- 00:17:f2:07:af:71 -- called by interruptOccurred() --
    Jan 30 10:43:06 Macintosh configd[43]: posting notification com.apple.system.config.network_change
    Jan 30 10:43:10 Macintosh kernel[0]: -- Auto-Negotiation Advertisement Register (04d) = 0xde1
    Jan 30 10:43:10 Macintosh kernel[0]: -- Auto-Negotiation Link Partner Ability Register (05d) = 0xcde1
    Jan 30 10:43:10 Macintosh kernel[0]: -- Auto-Negotiation Gigabit Advertisement Register (09d) = 0xe00
    Jan 30 10:43:10 Macintosh kernel[0]: -- Auto-Negotiation Gigabit Link Partner Ability Register (10d) = 0x7c00
    Jan 30 10:43:10 Macintosh kernel[0]: -- PHY Specific Status Register (17d) = 0xaf08
    Jan 30 10:43:10 Macintosh kernel[0]: Intel8254X -- Negotiated Speed: 1 Gb/s, Duplex: Full, Flow Control: Receive Pause Enabled, Transmit Pause Enabled
    Jan 30 10:43:11 Macintosh lookupd[3328]: lookupd (version 369.8) starting - Fri Jan 30 10:43:11 2009
    Jan 30 10:43:12 Macintosh xgridagentd: Warning: error opening connection (Jacks Computer): Unable to connect: BEEPError 600 (could not bind socket)
    Jan 30 10:43:12 Macintosh crashdump[3329]: WindowServer crashed
    Jan 30 10:43:13 Macintosh crashdump[3329]: crash report written to: /Library/Logs/CrashReporter/WindowServer.crash.log
    Jan 30 10:43:13 Macintosh configd[43]: posting notification com.apple.system.config.network_change
    Jan 30 10:43:13 Macintosh lookupd[3330]: lookupd (version 369.8) starting - Fri Jan 30 10:43:13 2009
    Jan 30 10:43:14 Macintosh kernel[0]: AFPSleepWakeHandler: waking up
    Jan 30 10:43:16 Macintosh xgridagentd: Warning: error opening connection (Jacks Computer): Unable to open: BEEPError 200 (Success)
    Jan 30 10:43:16 Macintosh xgridagentd: Warning: error opening connection (Jacks Computer): Authentication failed
    Jan 30 10:48:16 Macintosh xgridagentd: Warning: error opening connection (Jacks Computer): Unable to open: BEEPError 200 (Success)
    Jan 30 10:48:16 Macintosh xgridagentd: Warning: error opening connection (Jacks Computer): Authentication failed
    <== this is the manual restart at 10:52 ==>
    Jan 30 10:52:01 localhost kernel[0]: hi mem tramps at 0xffe00000
    Jan 30 10:52:01 localhost kernel[0]: PAE enabled
    Jan 30 10:52:01 localhost kernel[0]: 64 bit mode enabled
    Jan 30 10:52:01 localhost kernel[0]: standard timeslicing quantum is 10000 us
    Jan 30 10:52:01 localhost kernel[0]: vmpagebootstrap: 1230515 free pages
    Jan 30 10:52:01 localhost kernel[0]: migtable_maxdispl = 71
    Jan 30 10:52:01 localhost kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes
    Jan 30 10:52:01 localhost kernel[0]: 79 prelinked modules
    Jan 30 10:52:01 localhost kernel[0]: ACPI CA 20060421
    Jan 30 10:52:01 localhost kernel[0]: AppleIntelCPUPowerManagement: ready
    Jan 30 10:52:01 localhost kernel[0]: AppleACPICPU: ProcessorApicId=0 LocalApicId=0 Enabled
    Jan 30 10:52:01 localhost kernel[0]: AppleACPICPU: ProcessorApicId=1 LocalApicId=1 Enabled
    Jan 30 10:52:01 localhost kernel[0]: AppleACPICPU: ProcessorApicId=2 LocalApicId=7 Enabled
    Jan 30 10:52:01 localhost kernel[0]: AppleACPICPU: ProcessorApicId=3 LocalApicId=6 Enabled
    Jan 30 10:52:01 localhost kernel[0]: AppleACPICPU: ProcessorApicId=4 LocalApicId=0 Disabled
    Jan 30 10:52:01 localhost kernel[0]: AppleACPICPU: ProcessorApicId=5 LocalApicId=0 Disabled
    Jan 30 10:52:01 localhost kernel[0]: AppleACPICPU: ProcessorApicId=6 LocalApicId=0 Disabled
    Jan 30 10:52:01 localhost kernel[0]: AppleACPICPU: ProcessorApicId=7 LocalApicId=0 Disabled
    Jan 30 10:52:01 localhost kernel[0]: Copyright (c) 1982, 1986, 1989, 1991, 1993
    Jan 30 10:52:01 localhost kernel[0]: The Regents of the University of California. All rights reserved.
    Jan 30 10:52:01 localhost kernel[0]: using 16384 buffer headers and 4096 cluster IO buffer headers
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    Jan 30 10:52:01 localhost kernel[0]: Started CPU 01
    Jan 30 10:52:01 localhost kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes
    Jan 30 10:52:01 localhost kernel[0]: Started CPU 02
    Jan 30 10:52:01 localhost kernel[0]: Enabling XMM register save/restore and SSE/SSE2 opcodes
    Jan 30 10:52:01 localhost kernel[0]: IOAPIC: Version 0x20 Vectors 64:87
    Jan 30 10:52:01 localhost kernel[0]: Started CPU 03
    Jan 30 10:52:01 localhost kernel[0]: ACPI: System State [S0 S3 S4 S5] (S3)
    Jan 30 10:52:01 localhost kernel[0]: Security auditing service present
    Jan 30 10:52:01 localhost kernel[0]: BSM auditing present
    Jan 30 10:52:01 localhost kernel[0]: disabled
    Jan 30 10:52:01 localhost kernel[0]: rooting via boot-uuid from /chosen: B4C50221-5F1E-4039-A399-B8A077BADEC1
    Jan 30 10:52:01 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>
    Jan 30 10:52:01 localhost kernel[0]: USB caused wake event (EHCI)
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    Jan 30 10:52:01 localhost kernel[0]: BSD root: disk0s2, major 14, minor 2
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    Jan 30 10:52:01 localhost kernel[0]: Matching service count = 2
    Jan 30 10:52:01 localhost kernel[0]: Matching service count = 2
    Jan 30 10:52:01 localhost kernel[0]: Matching service count = 2
    Jan 30 10:52:01 localhost kernel[0]: Matching service count = 2
    Jan 30 10:52:01 localhost kernel[0]: Matching service count = 2
    Jan 30 10:52:01 localhost kernel[0]: Previous Shutdown Cause: 3
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    Jan 30 10:52:02 localhost diskarbitrationd[45]: disk4s3 hfs 3391641B-2431-3F99-A77D-397F417615F1 Boot OSX [not mounted]
    Jan 30 10:52:02 localhost diskarbitrationd[45]: disk0s2 hfs C1617214-1C69-33DC-BC3F-1F7559B84120 Phyllis_VII /
    Jan 30 10:52:02 localhost diskarbitrationd[45]: disk2s3 hfs 3391641B-2431-3F99-A77D-397F417615F1 Boot OSX [not mounted]
    Jan 30 10:52:03 localhost kernel[0]: jnl: replay_journal: from: 1948672 to: 8487424 (joffset 0xba5000)
    Jan 30 10:52:03 localhost kernel[0]: AppleIntel8254XEthernet: Ethernet address 00:17:f2:07:af:70
    Jan 30 10:52:03 localhost kernel[0]: AppleIntel8254XEthernet: Ethernet address 00:17:f2:07:af:71
    Jan 30 10:52:03 localhost configd[43]: No AirPort Driver found.
    Jan 30 10:52:03 localhost lookupd[84]: lookupd (version 369.8) starting - Fri Jan 30 10:52:03 2009
    Jan 30 10:52:03 localhost xgridcontrollerd: started.
    Jan 30 10:52:03 localhost kernel[0]: jnl: replay_journal: from: 37588480 to: 30012416 (joffset 0xe8e000)
    Jan 30 10:52:04 localhost xgridcontrollerd: Database load completed.
    Jan 30 10:52:04 localhost diskarbitrationd[45]: disk1s2 hfs C7580D0F-35C6-3678-BC27-FFEBE31CCBAC 372 GB Bootable /Volumes/372 GB Bootable
    Jan 30 10:52:05 localhost xgridagentd: Notice: agent maximum task count is 4
    Jan 30 10:52:05 localhost xgridagentd: Notice: Jacks Computer started.
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    Jan 30 10:52:05 localhost /usr/bin/open: kCGErrorRangeCheck : Window Server communications from outside of session allowed for root and console user only
    Jan 30 10:52:05 localhost /System/Library/CoreServices/loginwindow.app/Contents/MacOS/loginwindow: Login Window Application Started
    Jan 30 10:52:05 localhost loginwindow[95]: Login Window Started Security Agent
    Jan 30 10:52:06 localhost mDNSResponder: Adding browse domain local.
    Jan 30 10:52:06 Macintosh kernel[0]: Intel8254x -- Link Up -- 00:17:f2:07:af:71 -- called by interruptOccurred() --
    Jan 30 10:52:06 Macintosh kernel[0]: -- Auto-Negotiation Advertisement Register (04d) = 0xde1
    Jan 30 10:52:06 Macintosh configd[43]: setting hostname to "Macintosh.local"
    Jan 30 10:52:06 Macintosh kernel[0]: -- Auto-Negotiation Link Partner Ability Register (05d) = 0xcde1
    Jan 30 10:52:06 Macintosh kernel[0]: -- Auto-Negotiation Gigabit Advertisement Register (09d) = 0xe00
    Jan 30 10:52:06 Macintosh kernel[0]: -- Auto-Negotiation Gigabit Link Partner Ability Register (10d) = 0x7c00
    Jan 30 10:52:06 Macintosh kernel[0]: -- PHY Specific Status Register (17d) = 0xaf08
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    ==== end====

    Hello Alexandre,
    First - thank you very much for taking time to offer thorough and informed advice.
    However - as indicated in my last post, I have performed the first (and very basic) "test" - I checked to see if Xgrid was included in my network prefs and found that it was. I unchecked it because I don't have the setup to make use of processor resources on the other Mac I have in my home network. (And that other Mac is an old G4 eMac - not much help anyway!)
    More specifically: it's apparent that I was using Xgrid "inappropriately" so I think the System Log really indicates that no connection can be found -because there isn't one!
    I too still wonder about the "missing CPU 4" but, overall, I see no other indications that there's a problem. Activity Monitor shows all four CPU cores and they're all showing activity. I have not seen (or noticed) this in prior System Log reports so, if I see this again - I'll renew efforts to find it's significance and take appropriate action.
    I then put my Mac Pro to sleep, waited a bit, then depressed an arrow key: the machine woke from sleep normally. This "solves" the immediate problem of abnormal wakening - at least I'm satisfied that it does and will continue monitoring for any similar "misbehaviors."
    Power Management: I have purposely avoided doing anything with Power Management once I had it set to my liking. That is, I set the screen to sleep in 1 hour, I set the hard drive to "never" (sleep) and only use the Sleep menu command to put the Mac Pro to sleep. My dictum is to "not fix what isn't proved to be broken." Again - if I continue to have problems or new problems crop up, I will then go ahead and start making changes such as those you mention. (Like deleting com.apple.PowerManagemetn.plist)
    Next: I did already run permissions repair and may do so again anytime I see problems which could be connected to permissions. Since I have "taken Xgrid" out of the picture, I don't think this particular permissions issue is going to be a problem under my current set up.
    CarbonCopyCloner: Here we have a bit of a conundrum. I need! to keep CCC "available" to run scheduled back up tasks. I was given (a very expensive) 1TB wireless backup drive for Xmas and - through long trial and error - found that CCC is the most appropriate back up application for that drive.
    For now: I consider that the problem is a bug in CCC and will contact Mr. Bombich about this.
    Again: I do appreciate your pointing out this and the other things. You have helped me think through what could have been a very complex process in trouble shooting.
    I think that my issue turned out to be simple: I may have accidentally touched the wrong key or key combination when I moved to wake the Mac Pro from sleep. I think that Xgrid was a problem but that now seems to be eliminated. The Mac Pro is now waking normally - which was my original objective.
    Oh, and just to be clear: I forgot to mention above that I did re-examine the System Log and there are now no signs of the items in the log I posted originally here.

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  • IMac occasionally fails to wake from sleep mode

    This is a transient problem. Happens every 2-3 days that computer fails to wake up from sleep mode. Space bar doesn't do anything and I finally have to unplug it and reboot. I have a late 2008 iMac and am running Lion. It has started doing this after I installed Lion but doesn't seem to be related.

    It's tough to troubleshoot intermittent problems. You can try by restarting in Safe Mode, this will clear some caches. It's possible one or more is corrupt.

  • MacBookPro running 10.8.5 fails to wake from sleep or kp???

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    com.apple.launchd.peruser.502[151]
    (com.apple.AirPlayUIAgent[197]) Exited: Killed: 9
    10/22/13 3:18:10.581 PM
    com.apple.launchd.peruser.502[151]
    (com.apple.mdworker.shared.04000000-0000-0000-0000-000000000000[277]) Exited: Killed: 9
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    com.apple.launchd.peruser.502[151]
    (com.apple.gamed) Ignored this key: UserName
    10/22/13 5:36:49.861 PM
    com.apple.launchd.peruser.502[151]
    (com.apple.gamed) Ignored this key: GroupName
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    com.apple.launchd.peruser.502[151]
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    *** WARNING: -[NSImage compositeToPoint:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
    10/22/13 5:37:02.314 PM
    SystemUIServer[352]
    *** WARNING: -[NSImage compositeToPoint:fromRect:operation:fraction:] is deprecated in MacOSX 10.8 and later. Please use -[NSImage drawAtPoint:fromRect:operation:fraction:] instead.
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    CKSoftwareMap: waitUntilMapIsLoadedAndPerformBlock:onDispatchQueue: timed out waiting for mdSemaphore
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    Using V2 Layout
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    com.apple.launchd.peruser.502[151]
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    com.apple.launchd.peruser.502[151]
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    com.apple.launchd.peruser.502[151]
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    Nikon Message Center 2[405]
    [i] LaunchType changed: User to LoginItems
    10/22/13 5:37:56.714 PM
    talagent[351]
    CGSConnectionRelinquishWindowRights(cid, newWindowNumber, reservedRights): CGError 1001 on line 717
    10/22/13 5:37:56.716 PM
    talagent[351]
    CGSReleaseWindow(cid, wid): CGError 1001 on line 878
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    Nikon Message Center 2[405]
    [i] activated with launch type[LoginItems]
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    Nikon Message Center 2[405]
    [i] not past connection period
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    Nikon Message Center 2[405]
    [i] terminate
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    System Preferences[413]
    Attempted search for

    to whom:
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    e.e.p.

  • So, my computer won't start, and it's from August 2007

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    This just happened to my MacBook, and it's also from August 2007. I have an appointment to take it in on Wednesday, May 28.

  • OS X failing to wake from sleep

    This is new behavior for me since upgrading to 10.6.3:
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  • My 13" 2009 MBP sometimes fails to wake from sleep. Is this 10.6.8?!

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  • Win 8.1 fails to wake from sleeping probook 4340s

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  • Wakes from sleep when lid closed

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