When my computer and monitor go to sleep, the system locks up and I have to do an hard reset with the power button. help?

when my imac and display go to sleep, the computer locks up and will not restart without a hard restart with the power button. help?

Hello, what all especially USBwise do you have connected to it?
One way to test is to Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, click on Repair Permissions, Test for problem in Safe Mode...
PS. Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive
Reboot, test again.
If it only does it in Regular Boot, then it could be some hardware problem like Video card, (Quartz is turned off in Safe Mode), or Airport, or some USB or Firewire device, or 3rd party add-on, Check System Preferences>Accounts (Users & Groups in later OSX versions)>Login Items window to see if it or something relevant is listed. Or an errant process eating up RAM.
Check the System Preferences>Other Row, for 3rd party Pref Panes.
Also look in these if they exist, some are invisible...
/private/var/run/StartupItems
/Library/StartupItems
/System/Library/StartupItems
/System/Library/LaunchDaemons
/Library/LaunchDaemons
Open console in Applications>Utilities, check the system log for the date/time of the last problem & the Startup right after that for clues.

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You should be able to access your past iTunes purchases. You'll need to re-rip your CDs See: HT2519 - Downloading past purchases from the App Store, iBookstore, and iTunes Store.
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tt2

Windows could not start the Cluster Service on Local computer. For more information, review the System Event Log. If this is a non-Microsoft service, contact the service vendor, and refer to service-specific error code 2.

Dear Technet,
Windows could not start the Cluster Service on Local computer. For more information, review the System Event Log. If this is a non-Microsoft service, contact the service vendor, and refer to service-specific error code 2.
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Hi,
Could you confirm which account when you start the cluster service? The Cluster service is a service that requires a domain user account.
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Hope this helps.
We
are trying to better understand customer views on social support experience, so your participation in this
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My safari keeps closing unexpectedly and when it does it tells me that it quite while using the .GameHouseBeachParty.so plugin. I have no idea what this means! Can someone please help me fix this?

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You have the Flashback trojan.
Check out the replies in this thread for what to do;
https://discussions.apple.com/message/18114958#18114958

I looked at system.log in the system profiler today and see lots of activity at 2 a.m. when I was fast asleep, should I worry? It seems to reset hostname and mentions frequent transitions for interface, looks weird to me (I'm not a teckie!)

I looked at system.log in the system profiler today and see lots of activity at 2 a.m. when I was fast asleep, should I worry? It seems to reset hostname and mentions frequent transitions for interface, looks weird to me (I'm not a teckie!)
This is a section:
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I've been seeing messages exactly like that (and many, many other kinds) in the Console since the first version of OS X. They look menacing but are harmless.
You don't need any kind of security software.
Just surf the web carefully, pay attention to where you're going and don't install anything that you don't recognize. If you are asked to enter an admin user name and password, DON'T. Unless you know for sure that you initiated the installation from a known and reliable source (like Apple).
Mac malware relies on social engineering. No amount of security/anti-virus, blah, blah, blah software is going to help.

I'm new to Mac, have had for approx. I put my iPhone and iPad and my wifes in iTunes and now when i start my system on. I now have a Guest user show up at the log on screen. Is this normal. And how can I take it off.   Tried the help and no luck

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Tatanka11 wrote:
I'm new to Mac,...
Then... You may find these Links of Interest and Value...
Show me how to set up my Mac.
http://www.apple.com/support/mac101/
http://www.apple.com/support/switch101/     Switching from PC
http://www.apple.com/findouthow/mac/
Enjoy your Mac...

My IPhone is set up with an internet downloaded firmware of ios7 because my phone would not restore, the system has failed and I had to do a manual erase fro within the phone. My computer will not accept the phone because they say it's a "Developer?"

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Hello buddyacw
You would have to restore the iPhone. Download the latest version of iTunes and then follow the steps in the article below to get it working again.
iOS: Unable to update or restore
http://support.apple.com/kb/HT1808
Thanks for using Apple Support Communities.
Regards,
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Hello!, my name is jan and i am using lightroom 2 for many years. I have an original set-up disk with a 24 digit serial number. I had never problems wih installation of lightroom. suddenly lightroom refuses to start when I try to from a picture i have tak

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When I try to print using Windows 2008 print server I have to use the generic print drivers supplied. If I use the OEM driver the printer locks up. I have tried a HP 4 plus and a Canon Copier.

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Why my iphone 4 connect to wifi, but when i open safari and search something it say i not connect.. but in the same house my sister using iphone4 too but she can online with the same router

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Hey confuddled_chica!
Try the steps in the article below to troubleshoot this issue:
iOS: Troubleshooting Wi-Fi networks and connections
http://support.apple.com/kb/ts1398
Thanks for being a part of the Apple Support Communities!
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Welcome to the Apple community.
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Hey kbert73
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http://support.apple.com/kb/ht4527
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Thanks for using Apple Support Communities.
Regards,
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When my computer and monitor go to sleep, the system locks up and I have to do an hard reset with the power button. help?

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