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OS X Lion 10.7 Sleep Issue

Installed Lion this morning and the only issue that I have found thus far is sleep.


I use an external display as well as the laptop display. When I close my MacBook lid and wait several minutes, I do not get the sleep mode winking LED and my second display does not go into standby, probably because the Mac has not entered sleep mode.


When I raise the lid, my laptop display appears to have been in standby and the Mac looks to be doing a device discovery. After the discovery, the Mac display is normal but all the apps from my second display are now on the Mac display.


Anybody have a clue as to the cause or is Lion just broke?


Cheers

MacBook Pro, Mac OS X (10.7)

Posted on Jul 20, 2011 1:44 PM

Reply
251 replies

Nov 1, 2011 6:24 PM in response to Anton Junlén

Hi Anton, the problem has resolved itself after i followed trashing the folder


Macintosh HD > Library > Preferences > SystemConfiguration as others had suggested.


A warning to others that follow this...


Lost all my network settings... Had to re-input them all. A Potential pain if you operate on many different secure networks and don;t have the keys handy...


Fixed the sleep issue though.


Thanks so much for a speedy reply.

Nov 4, 2011 7:59 PM in response to jgould

Before you run any of these scripts or make any drastic changes in settings CHECK YOUR PRINTER QUEUE!


I had a document HIDING in the print queue from a month ago, since the printer application wasn't active in the doc i didn't think to check this, but sure enough after clearing the queue sleep works fine.


Thanks Jgould

Nov 5, 2011 1:29 PM in response to zrouse

A thoguht just occured to me as I sit in a coffee shop, actually pondering printing something so that it will print when I get home, is this printer queue inhibiting sleep something new in Lion. I seem to recall doign this quite a bit when I was running Snow Leopard on my old (now) White MacBook and the Mid 2011 MacBook Pro with nary a problem.


I guess the part that I'm having an issue with is why would the print queue affect sleep?


This could be a serious concern for those of us that have the MacBook Air as we don't have a light (or audible hard drive activity) to indicate that the system has not slept yet.

Nov 5, 2011 1:54 PM in response to ApexRon

Hey,


I have been having automatic sleep issues since the last update for Snow Leopard in late July (detailed here at an earlier post I made: https://discussions.apple.com/thread/3462852?answerId=16633025022#16633025022 ). Today I resolved to upgrade to Lion in the hopes this would fix my problems.


I am STILL having the problem!


As it stands now, my display goes to sleep after the set time as instructed, but the actual computer never goes to sleep unless manually told to do so.

Third party programmes such as 'Please Sleep' drive me crazy as I have to constantly enable and disable it or it will shut down my Mac even during a download.


Has anyone got this same problem and solved it?


I have done SMC resets, PRAM start-ups, safe mode start-ups, restored disc permissions, cleared cache manually and using third-party software and so on and so on. Considering how much I get my Mac to do while I am not present to put it back to sleep manually, I am thinking of taking my Apple Care plan to its limit and trying for a full replacement as this problem has continued across two operating systems. Who knows? It may actually be hardware.


Thanks

Nov 6, 2011 11:47 AM in response to ApexRon

Had the same problem, and what finally solved it was the printing queue! I had one job pending, and although the printer was ok from other computers (on the network), for some reason it did not print from my MacBook Pro. When deleting the job, the MBP immedialtely went to sleep when closing the lid. Finally!! Remains to be solved what was wrong with the printing, but that is a completely different issue...

Nov 17, 2011 6:33 AM in response to ApexRon

I used this: sudo launchctl unload -w /System/Library/LaunchDaemons/org.cups.cupsd.plist . It seemed to be my issue and is now working.


Active Profiles:

Battery Power 1

AC Power 2*

Currently in use:

womp 1

halfdim 1

sms 1

panicrestart 157680000

hibernatefile /var/vm/sleepimage

networkoversleep 0

disksleep 10

sleep 0 (imposed by 49)

hibernatemode 3

ttyskeepawake 1

displaysleep 10

acwake 0

lidwake 1


Assertion status system-wide:

ChargeInhibit 0

PreventUserIdleDisplaySleep 0

PreventUserIdleSystemSleep 0

NoRealPowerSources_debug 0

CPUBoundAssertion 0

EnableIdleSleep 1

PreventSystemSleep 1

DisableInflow 0

DisableLowPowerBatteryWarnings 0

ExternalMedia 0



Listed by owning process:

pid 49: [0x0000012c00000031] PreventSystemSleep named: "org.cups.cupsd"

OS X Lion 10.7 Sleep Issue

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