Imac refuses to aoto-sleep

Since I upgraded to Tiger, the machine will not auto-sleep, regardless of the energy saver preferences set in system preferences. Any ideas on a solution -chat with an agent seem unable to solve it.....

Hi, well iPods, iPhones, Printer/Scanner/Copiers, EyeTv, Multihubs, cameras, anything connected to a USB or FW port can cause these issues..
Initially I go the SMC route:-http://support.apple.com/kb/ht3964
Recheck your Sleep configurations..
after that connect 1 peripheral at a time & see if the Mac Sleeps’’...L

Similar Messages

  • How do I stop iMac from going to sleep automatically after 15minutes of inactivity

    How do I stop imac from shutting down automatically after 15minutes of inactivity, trying to play music but the imac keeps going to sleep, tried changing power saving preferences to never shut down, never go to sleep, unticked put the hard disks to sleep, automatically reduce brightness, but still goes to sleep.

    Try a PRAM/NVRAM reset.
    Resetting NVRAM / PRAM
    Shut down your Mac.
    Locate the following keys on the keyboard: Command (⌘), Option, P, and R. You will need to hold these keys down simultaneously in step 4.
    Turn on the computer.
    Press and hold the Command-Option-P-R keys before the gray screen appears.
    Hold the keys down until the computer restarts and you hear the startup sound for the second time.
    Release the keys.
    After resetting NVRAM or PRAM, you may need to reconfigure your settings for speaker volume, screen resolution, startup disk selection, and time zone information. If issues persist, your Mac's logic board battery may need to be replaced. The logic board battery helps retain NVRAM/PRAM settings when your computer is shut down. You can take your Mac to a Mac Genius or Apple Authorized Service Provider to replace the battery on the logic board.

  • How do I set the imac to go to sleep after 5 min of in activity?

    how do I set the imac to go to sleep after 5 min of in activity?

    Hi.
    Try do the following: Go to "Settings" > "Energi" (or what it's called in the english settings). From here you can adjust your settings.
    Hope this was helpful.

  • My IMAC screen went to sleep and I have it set to enter a password upon waking it up. However, my bluetooth keyboard died while it was asleep and I replaced the batteries and tried to enter my password and it is not picking up my keyboard. What can I do?

    My IMAC screen went to sleep and I have it set to enter a password upon waking it up. However, my bluetooth keyboard died while it was asleep and I replaced the batteries and tried to enter my password and it is not picking up my keyboard. What can I do? I will not let me enter my password to get in and trouble shoot the keyboard. Please Help!!

    I pushed in the button on the top right corner. It turns a green light on and then it goes off. I held it in until it started blinking. It blinks for a bit and then the green light turns off. I am still not able to type my password. What should I do now?

  • After Downloading Mountain Lion IMAC is having bluetooth sleep issues.

    After downloading Mountain Lion my 21" IMAC is fine untill it goes into sleep mode for an extended period of time.  When I try to wake the IMAC with the Bluetooth keyboard or mouse it will not wake up.  I have to hold the power button down for 5 seconds.  This does not happen untill the IMAC has been in sleep mode for a wihile (I don't know the amount of time) but if I am at the IMAC and it goes into sleep I and wake it with know problem it has to sleep for a while for the issue to kick in.
    Thanks

    Open Disk Utilities (Applications - Utilities - Disk Utilities) and run Repair Disk Permissions and then restart the computer and retest.

  • IMac wakes up from sleep independently

    My iMac wakes up from sleep mode. Sometimes I have to login, sometimes not. Time Machine is inactive because the external HD is not connected. I´m a new Apple-User, switched just about 14 days ago to Apple and I don´t find a solution for my problem.

    I have the same issue.  I'm also not using Time Machine on my iMac.  It happens within the same couple of hours every few evening.  I think it might be a process / update that is looking for updates in the background.  I think I'm going to check the logs next time it happens.

  • Wifi gets disconnected when iMac is restored after sleep mode.

    Everytime my imac is restored from sleep mode I have to reconfigure my wifi settings, starting to become a pain.

    HACKINT0SH wrote:
    It's a known issue, engineering is working on it.
    Do you know this as fact? For engineering to be working on it, they would have to admit they had a problem.
    In the meantime, I would simply disable sleep mode. It's not like an iMac really needs it.
    Also questionable. I've seen the electrolytics on the logic board "pop their tops" on an iMac that had sleep mode disabled.

  • Alu iMac wakes up from sleep every night

    Since I have installed the last Leopard Security Update my iMac wakes up from sleep every night at 1 pm.
    Enyone has an explanation?

    I have the same problem, i am located in France and the wake up tile is also 1:00 AM i have some doubt about Elgato Eye TV could be the root cause.
    I have seen that in main admin account the eye tv helper task is lauch during logging.
    I remove it, and the mini does not wake up this nignt, but ...
    When i launch Eye TV, it installed again eye tv helper task...
    Are you also and elgato user ?
    Pascal

  • HT1776 Hi, my iMac screen goes to sleep but the fan stays on 24hrs and never stops?

    Hi, my iMac screen goes to sleep but the fan stays on 24hrs and never stops? You can hear it running all night.
    Appreciate any advice.I'm using Lion. Many problems started since using Lion!

    The temps are a bit higher than I'd expect under normal circumstances, and too high while playing games, but what is the room temp where it is?
    I def. think its a temp thing now. but why does it only raise when im playing games or watching videos online?
    Games tipically press the CPU, Video Card, RAM, and everything else much harder than most apps.
    It may be a Fan not working properly, or just dust buildup.
    Boot off your Install Disk while holding down the *d key*, (not c key), then run the extended Apple Hardware Test. Some disks require you to use the Option key at bootup to select AHT. Some models have a separate AHT CD.
    Report any errors it finds.

  • IMAC gets stuck in sleep mode

    Hi all!
    Could somebody please advice me what is going on with my iMAC Intel Core i3. I have just installed new update for 10.6.8. iMAC gets stuck after sleep mode. Power on/off is only the way to get him alive.
    I tried to 'google' this issue. Non of topics I found helped ;(
    Please!!

    You can try some basic troubleshooting:
    First restart in Safe Mode this will clear some caches.
    If that doesn't help then use Disk Utility (Applications - Utilities - Disk Utility) to Repair Disk Permissions
    If that doesn't help then download and install the 10.6.8 Update Combo. Of course make sure you have a good backup before installing the Update Combo!

  • IMac Refusing to Sleep

    I'm not sure why, but my Mac seems to be having 'sleeping' troubles lately. I have set my display to turn off after 1 minute of inactivity, and for the Mac to sleep after 15 mins.
    But the vast majority of the time, my display does not even turn off.
    Every now and then, my display will turn off, but then it will turn straight back on again. Bear in mind that at this point the password screen shows up, as that is how my system preferences are set.
    Then the password screen just stays on, the display does not turn off and the system doesn't sleep after 15 minutes.
    It's as if something is constantly 'waking up' my Mac, but I've tried turning off my mouse and disconnecting my keyboard yet the problem persists.
    If I put my Mac to sleep myself then it just turns itself back on, most of the time it just starts back up as soon as it's been put to sleep.
    This has been going on for a few days now, I've tried zapping my PRAM and even carried out all of the automation maintenance tasks in Onyx.
    I am completely out of ideas! Does anyone have any ideas of how to fix it? Otherwise my Mac will just be on constantly unless I shut it down.

    Thanks for the tips, hadn't noticed that article on the Apple site (although I did read a different one about why your Mac may not sleep!)
    For some reason it seems to be working fine again, and I haven't even done anything! Coincidentally it was as soon as I posted the message on this forum that it returned to normal.
    I'm not sure how as I didn't really have any apps open.
    I have, however, been uploading about 15GB to my Dropbox account since yesterday, maybe that had something to do with it? It's still uploading now though, despite the sleep problem having gone away.
    Hopefully that's the last of it anyway, if it returns I'll check my log files
    Thanks.

  • My G5 iMac only goes to sleep when ADSL modem is switched-off

    My iMac will only put istslf to sleep if I switch-off the ADSL modem. I had the same problem with my G4 eMac. If I switch the modem off, the computer will quite happily nod-off. If I leave the modem switched-on and I return several hours later my computer will still be running. Can anyone make any suggestions on how to overcome this?

    Hi Mike,
    Do you mean a D-Link 302G?
    I know that many of the Optus supplied D-Link modems actually have "Optus -customised" firmware installed, which even D-Link refuse to provide support for. Was the modem part of an Optus "package" or was it purchased separately?
    If it is an Optus one you have problems, because D-Link won't provide support for the Optus firmware versions of their product, and at present Optus won't provide support for them either if they are connected to a Mac.
    I have a suspicion that the firmware may actually be related to the problem, given that the same issue seems to have occured with two different computers. Optus aren't exactly renowned for their Mac support these days, I'm afraid, though there are suggestions that this may improve in the near future - see http://forums.whirlpool.net.au/forum-replies.cfm?t=531367
    It would be interesting to see if a different modem behaved better. With the revised firmware the regular D-Link info probably doesn't apply. No chance of borrowing a different one?
    (For what its worth Netspace are an Australian ISP who generally seem to provide good Mac support - they started off as a Mac focussed service called "MacInsanity" , in fact . I've been using them myself for many years.)
    Cheers
    Rod

  • Computer refuses wake from sleep password

    When waking my computer from sleep recently, the password field displayed an icon resembling the Eject icon at the far right, something I have never seen before. The computer then refused to recognize my (admin) password, or any other password ever associated with it. After a forced re-start, everything seems in order, and the problem has not re-occurred, but I am concerned that it happened and dislike forcing the computer to shut down. Anybody recognize this?
    G4 iMac   Mac OS X (10.4.8)  

    That symbol was there to notify you that caps lock was on. And since passwords are case sensitive, that's why your password didn't work.

  • IMac wont go to sleep

    I have an iMac OS-x 10.6.7 and for some reason it has suddenly refused to go to sleep. If I select the Apple (top left) and select sleep, nothing happens. I checked the Sys Pref - Energy Saving and that is set as 7 minutes and all options are ticked (bar the last one dealing with auto-startup after power cut). Weird. It does go into screen saver mode okay after 15 minutes but that stays lit up and does not go to sleep with a blank screen. This was all working okay a couple of days ago.
    Any suggestions?
    Thanks.

    Forced a restart and was okay after that

  • Can iMac not waking from sleep be caused be a corrupt file

    I have had my 27" iMac from July of 2011 (running Montain Lion, 8 GB RAM, 2TB hardrive, 3.4 GHz,Intel i7) for over a year and a half and ever since I bought it, it has had a problem waking from sleep.  I can hear the computer running, but when I click the mouse, keyboard, or power button, it stays asleep and I am forced to do a hard shut down.  Apple has been trying to fix the issue, but to no success.  They have replaced the hard drive, logic board, usb ports, RAM, mouse and keyboard, but it still happens.  They finally threw in the towel and are replacing the machine.  They offered to transfer all of our files (jpgs, mp3s, docs, videos, etc), but one thought occurred to me... what if the sleep issue is caused by a corrupt file?  I highly doubt that is the case, but wonder if any of the experts out here would know better than I.
    If we didin't have the data transfered, we would just keep it on an external hard drive instead.  But, I would assume that it wouldn't matter if the files were on internal vs. external because either way, the computer would access the files.  That being the case, if the sleep issue was caused by a corrupt file, the computer would still access it on the external and the sleep issue would resurface.
    So, 2 questions:
    Can a corrupt file cause the sleep issue?
    If it is true that a corrupt file can cause the sleep issue, would it matter if the corrupt file was accessed from an external drive vs. internal drive?
    Thanks so much!
    Chris

    Please read this whole message before doing anything.
    This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
    The purpose of the test is to determine whether your problem is caused by third-party system modifications that load automatically at startup or login. 
    Disconnect all wired peripherals except those needed for the test, and remove all aftermarket expansion cards. Boot in safe mode* and log in to the account with the problem. The instructions provided by Apple are as follows:
    Shut down your computer, wait 30 seconds, and then hold down the shift key while pressing the power button.
    When you see the gray Apple logo, release the shift key.
    If you are prompted to log in, type your password, and then hold down the shift key again as you click  Log in.
    *Note: If FileVault is enabled under OS X 10.7 or later, or if a firmware password is set, or if the boot volume is a software RAID, you can’t boot in safe mode. Safe mode is much slower to boot and run than normal, and some things won’t work at all, including wireless networking on certain Macs.  The next normal boot may also be somewhat slow.
    The login screen appears even if you usually log in automatically. You must know your login password in order to log in. If you’ve forgotten the password, you will need to reset it before you begin. Test while in safe mode. Same problem? After testing, reboot as usual (i.e., not in safe mode) and verify that you still have the problem. Post the results of the test.

Maybe you are looking for