Question about Apple 24" iMac Desktop

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IMAC SCREEN FREEZES OR GOES BLACK.

IMAC SCREEN (LEOPARD SYSTEM) FREEZES AND FORCE QUIT WILL NOT WORK. I HAVE TO MANUALLY SHUT DOWN COMPUTER WITH ON/OFF BUTTON. ALSO THERE ARE TIMES WHEN THE SCREEN WILL SUDDENLY GO BLACK AND FREEZE, AGAIN COMPUTER HAS TO BE TURNED OFF AND REBOOTED.
There is no pattern as to when this happens.

any ideas about what's causing this?

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  • DaveMc3
    DaveMc3 May 11, 2010

    There is a pattern, it may be complicated, it may be something you are not thinking about, or something you could not know about.

    How often does it happen?

    Does the force-quit window show up when you press command-option-escape?

    Which iMac?

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Check this help tip, you can get it fixed:
How to Fix iMac Screen Goes Black

Posted on Apr 13, 2017

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Same thing happens to me - most of the time it will just randomly freeze; occasionally i get an unresponsive black screen. this 24' aluminum imac usually has startup problems also - sometimes it will "gong" and nothing else; sometimes the apple logo will come up and then nothing else; sometimes it will load the logo and then spin for a few seconds and then freeze - the only option is to manually shut down. there is no rhyme or reason to it

Posted on Apr 11, 2010

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