HT204760 My desktop computer used to go into sleep mode....

I am using Maverick. My desktop used to go into sleep mode if left inactive. That's not a problem, but the last 2 days it has done something different. When I go to wake it up, usually by pressing any key on the keyboard, nothing happens. I have to briefly press the power key. This wakes it up, but not like normal (straight to log-in screen). It wakes it to a grey screen (sorry, can't take a screen shot to show this). Now this is not the awful grey screen when something is terribly wrong. This is a grey screen that is see-through - I can see my log in details, but they are not clear due to the grey screen on top of it. Within about 30 seconds that grey screen goes away and I'm left with my normal log-in screen, but the mouse cursor is frozen in the top right corner, which also after about another 30 seconds or so, comes right and I'm good to go - like normal.
I haven't taken too much notice but I THINK that all 3 times this has happened is when I have left the computer for about 5 hours while I go to work - not sure.
What's happening or what setting has caused this to happen? Anyone else have this issue?

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Computer won't go into sleep mode

I have had my MacBook since August and have had sleep problems with it off and on for months...
- Whether I choose "sleep" from the Apple menu, close the lid, hit commandoptioneject, or just allow the computer to sleep naturally based on my settings (after 30 minutes of inactivity when plugged in or after 5 w/ battery) - the screen goes black for about 5 seconds, and then it makes the sound of the screen coming back on and just wakes back up.
- The computer used to sleep properly most of the time but would have sporadic problems. Now (for the past 4 days, consantly) it keeps running the screen saver until my settings tell it to sleep, at which point it goes black, wakes up immediately, and cycles through the screen saver again... It wakes up every 30 minutes even if I leave it alone for hours.
- I have fully updated software and firmware. I have tried resetting the PMU, changing screen saver/energy saver settings, turning off Airport (though I doubted that was the problem), exiting out of all applications before sleep, and repairing disk permissions in the disk utility. Any other suggestions???
Please help! I don't want to have to Shut Down every time I leave my computer....

I think Apple was having some issues with their site for a while ....anyway, have you tried booting into Safe Mode to see if things still occur...
http://docs.info.apple.com/article.html?artnum=107392
Also, have you tried an SMC reset yet...
http://docs.info.apple.com/article.html?artnum=303319
I'd also suggest disabling the screen saver to see if that makes a difference as well. Failing all this, Apple would prob. recommend you do a fresh system install - and if things didn't clear up then, it would prob. be considered a hardware issue and have to be sent in for repair/replacement.
Blackbook C2D Mac OS X (10.4.9) 120Gig, 1Gig, Superdrive.

My computer won't go into sleep mode

I have my energy settings mode to have my monitor go off after 15 minutes, and my harddrive after 20. Yet after I installed Leopard, my monitor stays on, and I can hear my harddrive spin in the middle of the night.
What's going on? It was working under Tiger.

This is for a Mac that won't sleep.
First, read things in Apple doc.#25801 on sleep settings.
Here is Apple doc.#303698 with their tips.
Mine follow;
USB devices and hubs often cause Macs to not sleep or wake quickly from sleep (notably HP printers and scanners, HP all in ones, and Cannon scanners). Disconnect all USB except for keyboard and mouse and try. If it sleeps, add one back at a time testing after each one to find the culprit.If you've set your Mac to receive faxes, it may not be able to sleep. It might also have a damaged preferences file.
If you use your Mac for faxing, open System Preferences. click Print & Fax, click the Faxing tab, and uncheck the Receive Faxes On This Computer box.
If that doesn't work or you've never faxed on your Mac, go to Finder/Hard Drive /Library/Preferences/SystemConfiguration and delete the com.apple.PowerManagement.plist and com..apple.AutoWake.plist files (if your Mac asks, type your admin. password).
If the latter file isn't present in the folder, go to user name(probably your name)/Library/Preferences, delete the com.apple.systemuiserver.plist file, and reboot your Mac.
Hope this helps!
P.S. One member here reported this (Michael Gleason);
"I have had this problem with my IMac G5. It is surprisingly irritating. LaCie's Silverkeeper backup software was the cause. By default it gave itself permission to wake up the computer to check if a backup was needed. Do you have this or a similar program installed which has scheduled activities including wake-up permissions as an option?"
Dave Hamilton provided this link, xlr8yourmac.com, to a member, which addresses failure of deep sleep with some users that updated and added new FireWire and USB cards.
tomhorvat adds this; After few days of messing around I found out that I had desktop background (wallpaper) set to change every 1 minute.
After unchecking "Change picture..." in system preferences (under Desktop/Screen saver), my powerbook went to sleep all by itself.
Good Luck!  DALE

Computer freezes after going into sleep mode

My computer freezes after being left idle and I am prompted to restart. I have the screen saver set to view the nature pictures, but that doesn't show. The screen goes blank and then I have to restart. I've read about sleep problems, but not a solution. Have any? Thanks! ~M
Dual 867 G4 Mac OS X (10.4.3)

Hello Dean,
Yes, the restart prompt looks like the kernel panic alert screen. And I did accesss the panic.log and it doesn't mean much to me! Here is what I copied from the two crashes today:
Mon Dec 12 11:19:08 2005
Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000008 PC=0x000000000012C76C
Latest crash info for cpu 0:
Exception state (sv=0x2D53AA00)
PC=0x0012C76C; MSR=0x00009030; DAR=0x00000008; DSISR=0x40000000; LR=0x0012C7A4; R1=0x177439D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0012C7A4 0x0012E020 0x0012F4A4 0x0012D310 0x0012F014 0x0028FDA8
0x00281698 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000
Proceeding back via exception chain:
Exception state (sv=0x2D53AA00)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x3C5FC780)
PC=0x9001452C; MSR=0x0000F030; DAR=0xE07FF000; DSISR=0x42000000; LR=0x0000CFAC; R1=0xF0080040; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80
Proceeding back via exception chain:
Exception state (sv=0x2D53AA00)
PC=0x0012C76C; MSR=0x00009030; DAR=0x00000008; DSISR=0x40000000; LR=0x0012C7A4; R1=0x177439D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0012C7A4 0x0012E020 0x0012F4A4 0x0012D310 0x0012F014 0x0028FDA8
0x00281698 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000
Exception state (sv=0x3C5FC780)
PC=0x9001452C; MSR=0x0000F030; DAR=0xE07FF000; DSISR=0x42000000; LR=0x0000CFAC; R1=0xF0080040; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
Mon Dec 12 12:44:48 2005
Unresolved kernel trap(cpu 0): 0x300 - Data access DAR=0x0000000000000008 PC=0x000000000012C76C
Latest crash info for cpu 0:
Exception state (sv=0x2D53AA00)
PC=0x0012C76C; MSR=0x00009030; DAR=0x00000008; DSISR=0x40000000; LR=0x0012C7A4; R1=0x177439D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0012C7A4 0x0012E020 0x0012F4A4 0x0012D310 0x0012F014 0x0028FDA8
0x00281698 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000
Proceeding back via exception chain:
Exception state (sv=0x2D53AA00)
previously dumped as "Latest" state. skipping...
Exception state (sv=0x3C5FC780)
PC=0x9001452C; MSR=0x0000F030; DAR=0xE07FF000; DSISR=0x42000000; LR=0x0000CFAC; R1=0xF0080040; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
panic(cpu 0 caller 0xFFFF0003): 0x300 - Data access
Latest stack backtrace for cpu 0:
Backtrace:
0x00095698 0x00095BB0 0x0002683C 0x000A8304 0x000ABC80
Proceeding back via exception chain:
Exception state (sv=0x2D53AA00)
PC=0x0012C76C; MSR=0x00009030; DAR=0x00000008; DSISR=0x40000000; LR=0x0012C7A4; R1=0x177439D0; XCP=0x0000000C (0x300 - Data access)
Backtrace:
0x0012C7A4 0x0012E020 0x0012F4A4 0x0012D310 0x0012F014 0x0028FDA8
0x00281698 0x0027D238 0x0027CF74 0x002A9BF4 0x000ABE30 0x00000000
Exception state (sv=0x3C5FC780)
PC=0x9001452C; MSR=0x0000F030; DAR=0xE07FF000; DSISR=0x42000000; LR=0x0000CFAC; R1=0xF0080040; XCP=0x00000030 (0xC00 - System call)
Kernel version:
Darwin Kernel Version 8.3.0: Mon Oct 3 20:04:04 PDT 2005; root:xnu-792.6.22.obj~2/RELEASE_PPC
I'll check into Dr. Smoke's FAQ, and see if I can decipher any of it.
Let me know what the above text means to you.
Thanks again~
Michelle
Dual 867 G4 Mac OS X (10.4.3)

Why wont my screensaver activate, my computer will not go into sleep mode automatically.

I just bought a new iMac i5 processor 21.5 inch and I cannot get the screensaver to engage and the spaces / expose will not work either. Any ideas what is wrong?

Try restting the PRAM

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

I am running OSX Lion 10.7.4 and the computer no longer will go into sleep mode when I close the cover What happened with this option?

I am running OSX Lion 10.78.4 and the computer will no longer go into sleep mode when I close the cover. In system preferences I can no longer find the option that allows for this energy saving feature. What happened to this option and why is this no longer happening with the latest version of Lion?

No external monitors or devices attached. When you mention that this function only works when devices are attached that is true when you set up your preferences that way. Up until my upgrade to Lion the computer would always go into sleep mode when I closed the lid. There also used to be an option to check in system preferences that allowed you to choose this option. My question for the discussion is what happened to that option and how do you get the computer to sleep or at least the display to sleep when you close the lid as we have been able to do in the past. Thanks.

Would overheating cause G4 to go into Sleep mode?

I recently refurbished my old Power Mac G4 (MDD) with new cooling fans and hard drives, then gave the computer to a friend. He lives in a hot climate, and says that the G4 has recently been going into Sleep mode without warning. When he clicks the mouse to wake it up, it will run for about 1 minute, then go into Sleep mode again. Thankfully, he's not losing any data, since it's just going to Sleep, but obviously this makes the computer less than convenient to use!
Now, let's just say -- theoretically -- that I wasn't entirely sure of myself when installing the new cooling fans (120mm case fan and two 60mm power supply fans), and there is a possibility that the new fans may not be cooling the G4 properly.
Would overheating cause the G4 to go into Sleep mode like this? Or should I be looking for another culprit?
Thanks for any advice.

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

Pavilion dv6 won't go into Sleep Mode

My HP Pavilion dv6 always used to go into sleep mode everytime I closed the lid as it's supposed too. However recently when I close the lid it just loops the login screen as if you've locked your laptop. It makes the sound it used to make when I'd open the lid to wake it up. As far as I am aware there have been no software changes recently that could have caused this. Thanks.

Hi there ,
Welcome to the HP Support Forums! It is a great place to find the help you need, both from other users, HP experts and other support personnel. I understand that your computer is no longer going to sleep mode when you close the lid. I am happy to help with this. Please post the full product number for your notebook. See the following, if you need help with that information. How Do I Find My Model Number or Product Number?Give this a try: Click Start, choose Control Panel, and then choose System and Security.Choose Power Options and then select Choose What Closing the Lid Does from the left pane. Also these may be of interest to you:HP PCs - Troubleshooting sleep and hibernate issues (Windows 7)HP Notebook PCs - Managing Power Options (Windows 7 and Vista) Here also is a page from Microsoft, that includes a video of what to do.Change what happens when you close your laptop - windows.microsoft.com Let me know if this works for you, or not.

MBP wont go into SLEEP mode!

Until the past week or so my computer will not go into sleep mode. It will black out like its going into sleep mode than after 3-5 seconds it will wake back up. This is becoming very irritating since I want to run my computer in 'clamshell' mode while I've been using my Dell external display.
Computer was fine for past 2 months up until about 5 days ago. If it makes a diff. i have an iphone hooked up with the update and I did the most recent MBP updates.
any help?????

I am having a similar issue with my new SR 17" MBP. it will shut off the display, and will appear to be trying to sleep, only to spring back to life. The only thing that makes a difference seems to be Airport. If Airport is off, the machine sleeps fine. if it's on, very rarely will it sleep. I also checked the console and keep seeing something about an "mdnsresponder error". It doesn't matter whether i try to sleep the machine by selecting sleep in the apple menu, using the power button, or closing the lid. They all give the same result.
Here's my thread that I posted a few days back.
http://discussions.apple.com/thread.jspa?threadID=1079305&tstart=210

Mac Tower Pro 10.8.5 keeps going into sleep mode

Purchased from Apple, refurbished 2012 Mac Tower Pro. At the same time, purchased a new Dell U2713HM, 27" monitor.
Have been operating on this new system since about the first week of December 2013.
Issue:
The computer has constantly gone into sleep mode after a few minutes of no activity. I can have iTunes radio playing, but the system still goes into sleep mode. As I am typing and moving the curser, the machine stays awake.
This has caused much frustration because when it goes into auto sleep mode, it quits all programs that I am in, and when it does this, I lose all the work I had accomplished. It litterally closes everything and goes to sleep in about 2-3 minutes of no activity.
BTW: the computer and monitor have all its new OEM cables that came in the box, when I purchased the units.
Solutions attempted:
System Preferences — Energy Saver: computer sleep and display sleep set to "never" and unclicked the box "Put hard disks to sleep when possible."
Dell settings: Turned off all energy savers.
Results:
Nothing. Problem persists.

I apologize for the angst. The problem has cost too much money in lost time and material because when it would automatically shut down after a few minutes, all my work was lost.
I misunderstood the terms of the warranty. Thank you for your input and patience. Much appreciated. For the benefit of others that experience this with a new Mac that auto shuts down. Check the following:
1. Go to System Preferences.
2. Click on Security and Privacy.
3. Click on Advanced (bottom right corner)
4. If the first line is checked (Log out after 5 minutes of inactivity); uncheck it and then click OK button.
5. Be sure to click the lock before existing Security and Privacy.
Now the machine will cease shutting down programs to go into sleep mode as soon as machine is inactive for a few minutes.

Apple tv loses home sharing when my computer goes into sleep mode

Just recently, my Apple TV says that home sharing is off when my computer goes into sleep mode. It never used to do that - any suggestions?

I have the same problem here. Always back-ed up with Time Machine (OSX 10.9 Mavericks) to Western Digital drives. MyBooks, MyPassport 1TB (USB 3.0), all works fine. Time Machine is actually doing back-ups overnight. Since I got this new 2TB MyPassport Ultra USB 3.0 it's working perfect during days, but every morning when I wake up the MacBook from sleep, I get this annoying error:
Time Machine couldn’t complete the backup to “MyPassportUltra”.
Unable to complete backup. An error occurred while creating the backup folder.
Latest successful backup: Today, 02:27 am
I'm also not able to write anything to that drive, or unmount it. It stil shows up in Finder, and I'm able to read all the data perfectly fine. When I do a Disk Utility Verify Disk directly after, I get this:
Checking volume
disk3s2: Scan for Volume Headers
Invalid Volume Header @ 0: I/O error
Invalid Volume Header @ 2000021315072: I/O error
disk3s2 is not a CoreStorage volume
Error: This disk needs to be repaired. Click Repair Disk.
I don't click Repair Disk, as this will probably screw up my partition. Instead, I have to unplug the USB cable (which is bad for the drive, there's no time to park the drive's heads) and plug it in again. After clicking Backup Now, Time Machine immediately starts backing up, and the drive works fine the rest of the day.
I contacted WD Support, and they are sending me a booster USB cable. As System Information reports, the drive receives enough power though:
Current Available (mA): 900
Current Required (mA): 224
Unfortunately there's no firmware update for this drive, which will probably fix this. See this topic: https://discussions.apple.com/thread/4196704.

I don't think my computer is completely shutting down. I think it is only going into sleep mode. When I hit the power button, it turns off immediately instead of shutting down.

I don't think my Mac Pro is completely shutting down. When I hit the power button, it just turns off immediately instead of going through the normal shut down procedures. I heard that I should try resetting the SMC, which involves removing the power cord. However, when I remove and replace the power cord, it turns on automatically, so I can't even properly reset that to see if it is the issue. Is this probably a power supply issue?
Actually, in case this information helps... The computer went into sleep mode the other day, and would not come back. This is a work computer that I use for our photography business, and at this point I am just trying to run it as a drive to get the photos onto our new computer, but this issue is keeping us from doing so. Any help would be greatly appreciated!

Try a SMC reset.
DALE

Computer Goes Into Sleep Mode By Itself

Experiencing a weird phenomenon this morning... my PowerBook is sending itself into sleep mode. The battery is charged and it's not overheated. It does it when plugged in and when unplugged.
When I hit the 'power' button to wake it up, it always comes back on, but then shuts off 10-30 seconds later. It's now been on without sleeping for ten minutes or so, but would still like to know what's causing this very un-Mac-like behavior and how to fix it.
Thanks,
Matthew
PowerBook G4 15" Mac OS X (10.3.9) 100G Hard Drive

Back to the beginning, then. Are you certain the Powerbook is actually sleeping? Is the sleep light pulsing? If not, the problem is that your backlight is going off, not that the PB is going to sleep. That would most likely indicate a bad inverter board. When the backlight goes off, shine a bright light on the screen, or shine a bright light through the Apple logo from the back side of the display. Can you see the screen image that way? If so, replacing your inverter will probably solve the problem — and if the inverter is failing, nothing else will.
EDIT: BTW, I meant to mention this earlier but forgot. In your original post you implied that you habitually hit the Power button to wake the computer from sleep. That's probably not a great idea, since there's a small risk that you'll accidentally shut it down that way if you aren't really paying attention. I always wake mine using a Shift key, which carries no risk at all of causing anything odd to happen — not even of typing a stray character into an open document, or moving the cursor from where I left it.

HT201412 My ipod touch (3rd gen) is not responding at all. It wont turn off. It wont go into sleep mode. it wont connect to the computer or anything at all. also does not responed to touch. What do i do to make it work again?

Hi. My ipod touch (3rd gen) will not turn off or resond to anything and will not connect to a computer. the screen will not go into sleep mode and i dont know what to do. help?

Try:
- iOS: Not responding or does not turn on
- Also try DFU mode after try recovery mode
How to put iPod touch / iPhone into DFU mode « Karthik's scribblings
- If not successful and you can't fully turn the iOS device fully off, let the battery fully drain. After charging for an least an hour try the above again.
- Try on another computer
- If still not successful that usually indicates a hardware problem and an appointment at the Genius Bar of an Apple store is in order.
Apple Retail Store - Genius Bar

HT204760 My desktop computer used to go into sleep mode....

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