why my computer automatically shutdown a number of times.

May 15, 2012 at 03:27:11
Specs: Windows xp, celeron
i am using celeron processor wit 256mb ram with 60 gb hard drive. my computer automatically shutdown a number of times.& when i insert card reader in to it ,card reader is show ing but not able to open.help me

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May 15, 2012 at 04:59:51
For starters, 256MB isn't enough RAM. Even 512MB is barely enough these days, you should have 1GB minimum. The shutdown issue could be due to overheating, an overloaded power supply, or driver issue. Try disabling the auto-restart feature to see if a blue screen is displayed.


As for the card reader problem, it would help to know the make/model but that problem may also be related to the power supply. Or it could be a USB issue. Does your board support USB 2.0?

You also should have posted your question in hardware. Your problem has nothing to do with CPUs or overclocking.

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May 15, 2012 at 05:05:16
Not enough information.
Was the computer ever running well the way it currently is?
Is this an old computer that you had and at sometime in the past purchased?
Or is this computer put together from assorted parts?
Or is this computer resurrected from someone's basement and it's condition questionable?
List make and model number of all components.

Did you know that Windows XP lists 512MB RAM as the minimum?
Did you know that XP runs much better on 1GB RAM than on 512MB RAM?
I have seen an old EMachine XP computer that came with 256MB RAM and it could barely run Internet Explorer 6. I have seen computers with 512MB RAM run Internet Explorer 7 poorly (don't even try IE8).
If you want to actually use this computer, upgrade the memory to 1GB (maximum practical will be 2GB).

Run Speedfan or HWMonitor and check your internal temperatures and report these back results.
Tell us if there is a particular time, program, sound, or other event that precedes the shut down.
What antivirus program are you running?
What CPU and memory usage does Task Manager report?
Report anything unusual you have noticed.
Tell us anything you have already tried.

You have to be a little bit crazy to keep you from going insane.

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May 15, 2012 at 08:01:35
If the computer shuts off but automatically Restarts, that's a DIFFERENT problem from the computer shuts off and stays off.
Is the computer Restarting ?

If the computer shuts off and stays off, you have a cpu overheating problem or, less likely, a failing power supply , or, much less likely, defective capacitors on the mboard.

If your problem is caused by overheating of the cpu
- the computer will run fine for a while after it has cooled to room temp
- when it shuts off, it will not start up again until the cpu has cooled to below some temp.

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