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Apple Computing Products:
macOS - Operating System
Is this an OS or hardware problem?
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<blockquote data-quote="Mark F" data-source="post: 1576130" data-attributes="member: 301631"><p>I've been waiting for it to happen today and so far not yet. It's not regular, happening at different times of the day. When it happens I will grab a screen shot.</p><p></p><p>Time machine does slow things down but this happens when TM is not running (the clock icon on top is not spinning). </p><p></p><p>I have a 500 gig hard disk with 98 gigs free. Anti-virus software is not installed on the Mac side. I run XP under Pareallels and do have Norton installed there, but this has been the case since I bought the iMac. The slowdown occurs both on the Mac and Parallels side and when it occurs when I'm in Parallels I can see that XP is not using the hard disk. There is a little icon on the bottom of the Parallels screen that shows when it is accessing the hard disk. </p><p></p><p>At first I thought I might have a key logging virus and someone was accessing my hard disk so I turned Airport off. Sometimes this would cure the problem in a minute or two but not always so I do not think that is the issue. Rebooting does seem to help for a while but within a half hour or hour it starts again.</p><p></p><p>I still use Snow Leopard since my iMac is maxed out at 4gigs of ram and would not do well with Maverick. Probably time for a newer machine but that is not in the budget until maybe the Fall. </p><p></p><p>Thanks to all for your help.</p><p></p><p>Mark</p></blockquote><p></p>
[QUOTE="Mark F, post: 1576130, member: 301631"] I've been waiting for it to happen today and so far not yet. It's not regular, happening at different times of the day. When it happens I will grab a screen shot. Time machine does slow things down but this happens when TM is not running (the clock icon on top is not spinning). I have a 500 gig hard disk with 98 gigs free. Anti-virus software is not installed on the Mac side. I run XP under Pareallels and do have Norton installed there, but this has been the case since I bought the iMac. The slowdown occurs both on the Mac and Parallels side and when it occurs when I'm in Parallels I can see that XP is not using the hard disk. There is a little icon on the bottom of the Parallels screen that shows when it is accessing the hard disk. At first I thought I might have a key logging virus and someone was accessing my hard disk so I turned Airport off. Sometimes this would cure the problem in a minute or two but not always so I do not think that is the issue. Rebooting does seem to help for a while but within a half hour or hour it starts again. I still use Snow Leopard since my iMac is maxed out at 4gigs of ram and would not do well with Maverick. Probably time for a newer machine but that is not in the budget until maybe the Fall. Thanks to all for your help. Mark [/QUOTE]
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Apple Computing Products:
macOS - Operating System
Is this an OS or hardware problem?
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