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Apple Computing Products:
macOS - Desktop Hardware
locking up
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<blockquote data-quote="chscag" data-source="post: 1602871" data-attributes="member: 46727"><p>Intermittent problems such as this are hard to track down. My first suspicion would also be the hard drive. Unfortunately running Disk Utility is really not a very good way to track down impending hard drive problems. Using a SMART utility would be better, however, if Apple ran their diagnostics on your iMac and didn't find anything, I would assume it passed SMART.</p><p></p><p>That leaves memory as a possibility. You could try downloading a memory checking program and let it run overnight to see if it flags anything. The memory checking program "<a href="http://www.kelleycomputing.net/rember/" target="_blank">rember</a>" is a good one to use.</p><p></p><p>There's also a possibility that some software or a kext could be at fault. You could try running your iMac for awhile in safe boot mode to see if any lockups occur.</p></blockquote><p></p>
[QUOTE="chscag, post: 1602871, member: 46727"] Intermittent problems such as this are hard to track down. My first suspicion would also be the hard drive. Unfortunately running Disk Utility is really not a very good way to track down impending hard drive problems. Using a SMART utility would be better, however, if Apple ran their diagnostics on your iMac and didn't find anything, I would assume it passed SMART. That leaves memory as a possibility. You could try downloading a memory checking program and let it run overnight to see if it flags anything. The memory checking program "[URL="http://www.kelleycomputing.net/rember/"]rember[/URL]" is a good one to use. There's also a possibility that some software or a kext could be at fault. You could try running your iMac for awhile in safe boot mode to see if any lockups occur. [/QUOTE]
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Apple Computing Products:
macOS - Desktop Hardware
locking up
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