Vista Computer shutting down on startup

March 29, 2010 at 17:15:57
Specs: Vista Home Premium, AMD Athlon??? 1GB
I'm looking at a computer for a friend. Whilst relatively experienced I pretty new to dealing with issues on Vista. I've had a good search around on Computing.Net and on-line but can't seem to find a resolution to the issue I've got.

The computer boots up and gets to the scrolling bar page before it shuts down. However, when it shuts down the computer seems to go into some sort of sleep mode as the Num Lock light is still on on the keyboard (this may be a feature of VIsta/the computer). If I press a key on the keyboard the computer comes back to life and, via the Error Recovery screen. will start up until the same point before shutting down.

I can enter the computer in Safe Mode and have turned off all Services and Startup components via MSCONFIG. This had no effect when I restart. I've also done a System Restore with no effect. I ran a Vista Recovery CD through as well, again, with no effect.

Can anyone give me any hints?

Many thanks in advance.

edited by moderator: Post moved from Windows 7 Forum to Windows Vista Forum

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March 29, 2010 at 17:48:04
Hello, It sound like you have a problem in your bootsect. If the system POST's fine, that pretty much eliminates hardware issue's but not ruling it out.

I would run the the Recovery CD again and try to repair the MBR. If that don't work I recommend booting into safemode and gathering all important data from the machine, and perform a fresh install.

If you still have a problem its mostly likely in the hardware. But like I said sounds like hardware is fine. Try out my recommendation and get back to me.

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March 29, 2010 at 19:13:13
If you are able to access the machine from safe mode, then it's more than likely a
software issue. Uninstall the display driver from safe mode & with all the startup items
disabled try to load the machine in normal mode.

Windows 7 News!

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April 8, 2010 at 15:23:36
Just to let you know that I resolved the issue.

I reset the BIOS settings to Default and the computer booted up.

The overall issue with the machine turned out to be one of the two 512MB memory modules had failed. The machine is now running fine with no issues albeit very slowly with only 512MB to run Vista!!

Thanks for your suggestions.

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