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Apple Computing Products:
macOS - Desktop Hardware
iMac Freezing
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<blockquote data-quote="danbee46" data-source="post: 1408543" data-attributes="member: 254283"><p>I have a two year old iMac which has developed what seems like a major problem. With no warning, rows of small squares appear on the screen and the system freezes. When I try to restart a screen with a brown background appears with the message (in several languages) that I must press the power button until the system shuts down and then press it again to restart. However, when I do that I again get the same screen. I booted up in safe mode with no problem and ran a virus scan with Avast. I cleaned the system and it booted up fine, but then reverted to the screen with the squares and froze again.</p><p></p><p>Do any of you have any idea what's going on?</p></blockquote><p></p>
[QUOTE="danbee46, post: 1408543, member: 254283"] I have a two year old iMac which has developed what seems like a major problem. With no warning, rows of small squares appear on the screen and the system freezes. When I try to restart a screen with a brown background appears with the message (in several languages) that I must press the power button until the system shuts down and then press it again to restart. However, when I do that I again get the same screen. I booted up in safe mode with no problem and ran a virus scan with Avast. I cleaned the system and it booted up fine, but then reverted to the screen with the squares and froze again. Do any of you have any idea what's going on? [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
iMac Freezing
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