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Computer shuts down spontaneously

 
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MarkHoward
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Joined: 19 Jun 2009
Posts: 3
Location: New Zealand

PostPosted: Fri Jun 19, 2009 11:06 pm    Post subject: Computer shuts down spontaneously Reply with quote

The last couple of mornings when I have turned the (desktop) computer on, it starts booting but then after between 5 and 60 seconds, it just shuts down.
Eventually, after several more tries, it will stay alive.
Does anyone have any ideas as to what might be the cause of this?
(XPPro)
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victor
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Joined: 07 Mar 2004
Posts: 2581
Location: Staff

PostPosted: Sat Jun 20, 2009 12:47 am    Post subject: Reply with quote

It can be a memory problem or registry corruption or some dll corrupted.
Do a system restore and see if this happens again. If you get BSOD sometimes, then I vote for a bad RAM
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Victor Voinea
ALLservice HQ, Romania.
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MarkHoward
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Joined: 19 Jun 2009
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Location: New Zealand

PostPosted: Sat Jun 20, 2009 1:22 am    Post subject: Reply with quote

Doubt that is the problem - it doesn't even get to start windows, most of the time. That's why I posted in Hardware.
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victor
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PostPosted: Sat Jun 20, 2009 1:42 am    Post subject: Reply with quote

Doubt what? It looks to be a bad RAM.
Replace RAM then boot from a BartPE CD, then restore the registry manualy, I don't have time to enter in details now but there are 5 files that contains registry: sam, security, system, default and software, you must copy from snapshot (system volume information\_resotrexxxx folders) to the windows\config. After that, boot into windows and do a complete restore to a previoud date at your choice. this will get your libraries back as they were.

Some mallware/addware may result in the same behaviour, tough.
You know, I think we just blow air on this problem really...
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Victor Voinea
ALLservice HQ, Romania.
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MarkHoward
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Joined: 19 Jun 2009
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PostPosted: Sat Jun 20, 2009 3:19 am    Post subject: Reply with quote

Mate, if the RAM is bad - how come when it DOES eventually start it will run perfectly for hours and hours?
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victor
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PostPosted: Sat Jun 20, 2009 10:06 am    Post subject: Reply with quote

My friend, you didn't mention this before...

Check/change the power source (voltage to be correct, the PG signal etc), check the regulators on the mobo, specially check if any capacitor is "grown up" ..and some other things...like Eddie Izzard used to say
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Victor Voinea
ALLservice HQ, Romania.
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hardware
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Joined: 26 Nov 2009
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PostPosted: Thu Nov 26, 2009 10:49 pm    Post subject: Reply Reply with quote

Hi,
Do you virus infection?
sometimes it happen, just because some conflication in memory or registry.
Sometimes what happen system cant load itself from ROM. So its happens.

Or sometimes it happens just because of power failure for few seconds,that you cant suspect.

so these are the reasons.
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