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Apple Desktops Discussion of Apple's desktop machines including Mac Pro, iMac, Power Mac, and mini

Shutdown after boot a few times...


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Head_Unit

 
Member Since: Dec 13, 2009
Posts: 154
Head_Unit will become famous soon enough
Mac Specs: iMAc 1.8GHz PowerPC G5, 2GB, 10.5.8

Head_Unit is offline
I came home and the machine was OFF (not asleep as I expect). Turned it on to boot, did something else, came back...it was off. Repeated again. Hmmm. Booted it and immediately I could, ran the Disk Utility.

Says "invalid extent entry" when I Verify Disk (Repair is grayed out, seems I'd have to boot from the OS Install DVD).

- Machine is a G5 iMac 20" 1.8GHz 2GB RAM OS10.5.8 with a 1TB Western Digital drive which is 2.5 years old (and has a 3 year warranty-yay)
- I calculated the size of the Music and Photo folders: much slower than usual. Everything is slower than usual, from boot-up onwards. (And by this I mean even slower than the slowness I've complained about elsewhere)
- CPU shows abnormally high usage. With just this window open in Safari and no other apps, it's showing nearly 30%. Just before, it climbed up near 100% and seemed to get stuck. Periodically that happens lately.
- Yes, I back up-and I'm doing another increment right now while the machine is running!

A general question would be "once a drive loses a bit of info, is it starting to fail?"
And more specifically, should I run out and replace this sucker right now?

Or ????
Thanks!
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harryb2448

 
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Member Since: Nov 28, 2007
Location: Nambucca Heads Australia
Posts: 16,804
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Mac Specs: iMac i5 2.7GHz OS X.9.4

harryb2448 is offline
Well how much free space is available? Suggest you need 10-1`5%for a drive to work anywhere near capacity. Also over heating can cause similar problems so it may pay to give he insides a good clean out.

Have you got the Leopard disc? Boot from that, go into Utilities and run Repair Disk and see what is reported.

Both remedies should these be the answer to your problem is to replace the drive.

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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Head_Unit

 
Member Since: Dec 13, 2009
Posts: 154
Head_Unit will become famous soon enough
Mac Specs: iMAc 1.8GHz PowerPC G5, 2GB, 10.5.8

Head_Unit is offline
25% free space. I cleaned the insides when I swapped the drive, and the inlets and outlets aren't dirty. The case has a little play at bottom rear, maybe I'll see if it's really seated properly.

I booted from an older OS X disc (couldn't find the Leopard disc-does it matter which version?). Repair was still grayed out. I think there's a way to repair from the internal from Terminal (??). Dangerous a bit, but I'm not going to spend the cost of a new drive for whatever the program is that can also "repair." I am all backed up at least.

And the drive is still under warranty, so I suppose I can send it in.
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harryb2448

 
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Member Since: Nov 28, 2007
Location: Nambucca Heads Australia
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Mac Specs: iMac i5 2.7GHz OS X.9.4

harryb2448 is offline
Would keep looking for the Leopard disc. An older disc will not be able to assist you. As for repairibng hard drive from Terminal


http://macguru.biz/macosxreapair.html

Hang on to those original install discs like grim death! Using OS X.7 or later make a bootable USB thumb drive before running Installer!
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