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Slow boot and shutdown after installing Snow leopard

Hi,

I have a 2006 Intel 17"Imac.

I decided to install Snow Leopard doing a clean install from disc.

The Imac is slow to boot, and hangs on blue screen.

if it goes into sleep mode, I can't wake it.

It is also slow to shutdown.

I re-installed Tiger with no luck, and Snow Leopard again with no luck.

Any ideas?

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Try a PRAM reset. Reboot and hold ALT-Command and the P and R keys simultaneously till you hear the chime twice, then release the keys. I would also make sure that spotlight has completely indexed the drive after installation to ensure proper operation of the HD and OS. If the drive was completely indexed and the system installation went through fine, then I would have to start looking at the HD as the culprit.

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The installation went fine. Computer works normally once it boots up. It just takes about 4 minutes on the blue screen before it gets to the desktop.

I have tried PRAM reset and switching on power button for 5 seconds without mains cable. No change from these attempts.

How do I make sure HD and OS is correctly indexed?

I used disc utility to format to Mac OS Journaled, then did installation.

I also suspect the HD. The computer has been left idle for over a year.

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Ok Hylton. Try downloading Onyx and under the "Automation" option just select "Rebuild Spotlight Index" and before you reboot make sure Spotlight finishes it's indexing. You can just keep an eye on the Spotlight icon and make sure that the dot in the center is no longer flashing, or better yet just place your mouse cursor over it and monitor it's progress. This failing you should try to boot into safe mode to allow the system to fix any corrupted files or corrupt directories on your drive. Is the drive new?

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What are your machine's specs? HD and CPU speed? RAM?

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+ for the Onyx

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Personally I would use TechTool Pro to defragment the files and optimize the hard drive. http://en.wikipedia.org/wiki/Defragmenta...

You can get a free 10 day trail of iDefrag here: http://www.macupdate.com/info.php/id/168...

Here's why I optimize: http://8help.osu.edu/1563.html

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It's a freshly installed system, I dont think it's a fragmentation issue. Corrupt directory or files is most likely the cause, or the drive is on it's way out.

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If you recall, I had the same issue when I upgraded my HD, and thats because after installation of the system I quickly rebooted and interrupted Spotlight's indexing, that cause a super slow boot-up and shut down.

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160 HD original.

1.83 Ghz intel processor

1,5 Gb of ram

I will try what you suggest on the indexing.

Thanks for the help.

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No Problem. If that fails, I would try a powerful utility like Diskwarrior or techtools Pro to verify your HD's Health.

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Hylton Spencer will be eternally grateful.
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