Screen freezes, computer shuts down

March 30, 2009 at 13:26:15
Specs: Windows XP
I run Windows XP on a custom computer, with a Nvidia motherboard, a GeForce Video card, an AMD athelon processor and two hard drives each Seagates 160 GB. (Someone else put this computer together for me, sorry if this information is wrong)

About one month ago, my computer began to lock up and restart. My screen would freeze and "snow" would run across the screen. No keyboard commands would work, I had to restart it. Also, it would restart at random intervals.

I reinstalled the video drivers, but it still had the same problem. I even plugged the monitor into the port on the motherboard instead of the video card, but that didn't work either.

Also, the computer would shut off sometimes. No warning, no "Logging off" or "Shutting down" screen, it would just turn off.

As far as I can tell, these two errors have nothing to do with each other...They do not happen at the same time, but just in case, I placed them together.

Someone told me to check the event logs, and when I did, I had one error that happened before the computer "froze" Source Code nv Event Number 108 "The driver nv4_disp for the display device \Device\Video0 got stuck in an infinite loop. This usually indicates a problem with the device itself or with the device driver programming the hardware incorrectly. Please check with your hardware device vendor for any driver updates."

I do not find any errors or events in the Event Viewer after the computer shuts down.

I am sorry if this is confusing.

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March 31, 2009 at 02:04:51
Kanade san, I have a couple of thoughts, both SWAGs. First is 'index.dat'. How long since you purged it? Neglected, it can cause all manner of neat things. Suspect that might account for the screen lockup.
A common ailment is a file called 'index.dat'. It gets read every time and can take quite a while if it’s too bloated. It's like a log file and keeps a record of every site you visit on the web. Empty, it's 32K, but it can grow HUGE. It's a protected file and can't be deleted by normal methods. CCleaner (free @: can get rid of it (not to worry, it gets rebuilt EMPTY on the next boot.).
Next is power supply. Computer manufacturers use the bare minimum capacity that will power the machine because they tend toward expensive. As things age, extras get added, etc., they tend to be overwhelmed. Starve electronic components for power and you can get all manner of erratic behavior. Maybe?
Ed in Texas.

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March 31, 2009 at 21:08:35
I already have CCleaner, I used it right away, because at first I thought it might have been some program or some such. My power supply has been the same one I used from the beginning, but I haven't added any hardware to my computer in the last 6 months, and this only started happening recently....Sorry.

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