Totally web unrelated… but I can’t ‘sleep’ my 2.16ghz Intel Core 2 Duo iMac - it just opens it’s eyes again straight away 
anyone had problems with the sleep function on their mac and know what it might be related to? I’ve rebooted and even tried to sleep it before opening any programmes, but it won’t have it - a right PITA !!
Hugh
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Look on the Apple Support site for “reset power manager”. Find the magic key-combo for your Mac. I believe that all modern (Intel) Macs have one of these – it used to just be the portables – but you’ll have to see if there is such a thing.
If there isn’t, then search for the magic key combo to reset your parameter RAM (PRAM). This will wipe out various tiny settings, and you’ll have to reset some options you may have set for the computer, but it can clear out sticky bits like this.
Another testing tool is to create a new user for the computer, log in as that user, and see if that user can sleep the Mac. If so, then you may have to start chucking out things from the /Users/your_user/Library/Preferences folder until you find the one that’s corrupted.
Walter
On Jul 2, 2013, at 9:06 AM, hugh wrote:
Totally web unrelated… but I can’t ‘sleep’ my 2.16ghz Intel Core 2 Duo iMac - it just opens it’s eyes again straight away
anyone had problems with the sleep function on their mac and know what it might be related to? I’ve rebooted and even tried to sleep it before opening any programmes, but it won’t have it - a right PITA !!
Hugh
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On 2 Jul 2013, at 14:06, hugh email@hidden wrote:
anyone had problems with the sleep function on their mac and know what it might be related to? I’ve rebooted and even tried to sleep it before opening any programmes, but it won’t have it - a right PITA !!
My MacBook Pro had intermittent insomnia. I tracked it down to Time Machine.
Essentially, a little background helper was not completing its function, and kept the Mac from going to sleep.
I found this by typing option-command-escape to invoke Force Quit. The helper was sitting there in the list, and once it had been quit the Mac would sleep like a baby.
I also found manually invoking a Time Machine backup and letting it run prior to putting the Mac to sleep would prevent insomnia.
Heather
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Thanks Walter and Heather.
This morning with Safari, Skype and Thunderbird open, the Mac sleeps. Yesterday with nothing open it wouldn’t! Intermittent- yes!
I don’t use Time Machine so didn’t find anything there, although the option-command-escape is useful for a quick look to see what’s there.
I’ll check with apple support and the magic key combo, thanks for the tip Walter.
My 13" white macbook also running 10.6.8 sleeps soundly every time, unfailingly.
Hugh
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