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Sudden freezes. . .

by Coryphaeus / September 17, 2004 11:00 AM PDT

Running a home built with a Shuttle main board, AMD 2400+ XP (2 GHz) processor, 512 Meg RAM, two HDs, XP Home SP1, tower case with seven (7) fans.

All of a sudden, when machine idle, running SETI@Home screen saver, the machine freezes, and the HD LED is on steady. Been running this setup for over a year, zero problems. Motherboard monitor shows processor temp of 55 C. Well within tolerances.

If I'm surfing, or whatever, zero problems. If I walk away, after a while I come back and the screen saver is frozen. No keys will work, mouse pointer not there, nothing will bring the machine out of the screen saver. Have to hard boot.

Forcing screen saver into action will not duplicate the problem.

I thought there might be a log somewhere but don't know where to look.

Any thoughts?

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Re: Sudden freezes. . .
by R. Proffitt Forum moderator / September 17, 2004 11:04 AM PDT
In reply to: Sudden freezes. . .

My Intel did that do. Eventually I added a wait state in the BIOS setup and cut a "blowhole" in the top of the case to make it easy for hot air to get out. I was able to drop down to just 3 fans that I added. CPU, back of case and the blowhole.

Other components can become heat sensitive and to sniff that out, I leave the cover off.

As always, the power supplies are "super sized"

Bob

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Re: Sudden freezes. . .
by Willy / September 17, 2004 12:36 PM PDT
In reply to: Sudden freezes. . .

Check the bios for what "power management" is being used, try "none". Then allow the OS to power management,. Check also, how you want the monitor, etc. to sleep hibernate, and any hot keys, if any. You may just turn it off, allowing only the saver to run, thus never sleep, etc. You may have to play with it. Plus, I read some chipsets may not awake properly, I believe VIA chipset. Also, there maybe a heat problem still, as the power to run all those fans if taken from the mtrbd. maybe robbing it. Those small solder lands can't handle a truly large load, inspect for obivous damage. Throw power from the leads themselves.

good luck -----Willy Happy

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Re: Sudden freezes. . .
by AussiePete / September 17, 2004 6:35 PM PDT
In reply to: Sudden freezes. . .

my daughter had this problem when the screen saver came on when she was in internet explorer (but that was IE5.5 and i think that bug has been fixed in IE6).
Also seen it happen with over heating but u seem to have covered that. you haven't said what operating system you are using so cant help with looking at any logs!!
would help if you could supply some more info about what you are running
also check that none of the screen saver files are corrupt - or maybe its just a Martian - lol!!!

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Ya' know. . .
by Coryphaeus / September 17, 2004 10:50 PM PDT

It might have been that combination, IE on line when the screen saver starts. But I've had this setup for over a year. Nothing added, nothing changed.

BTW, running XP Home SP1.

Changed the SC this morning, will watch.

Thanks to all youse guys.

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