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Graphics Issue? Parts of applications going black?

280 Views 9 Replies Latest reply: Apr 30, 2013 1:51 AM by NomieTee RSS
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Apr 7, 2013 4:54 PM

I've already had issues with a hard drive failure for this 2010 iMac. Warranty replaced the hard drive and then a month later I get an email saying that Apple had admitted there were a faulty batch of hard drives...

 

Now I'm having issues with graphics. This just started while I was browsing the web. I had to force shut down as the menu wasn't working. A reboot didn't solve the problem though? And of course it seems to have happened just outside of the 3 year care period. Not happy.

 

I am pretty sure I am on the most recent version of Mountain Lion.

iMac
  • BDAqua Level 10 Level 10 (114,825 points)

    Hello,

     

    Have you blown the dust out lately?

     

    Get Temperature Monitor to see if it's heat related...

     

    http://www.macupdate.com/info.php/id/12381/temperature-monitor

     

     

    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>Login Items window to see if it or something relevant is listed.

     

    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


  • BDAqua Level 10 Level 10 (114,825 points)

    Temps look good.

     

    Safe Boot from the HD, (holding Shift key down at bootup), run Disk Utility in Applications>Utilities, then highlight your drive, reboot & see if anything changes.

     

    (Safe boot may stay on the gray radian for a long time, let it go, it's trying to repair the Hard Drive.)

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