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flummoxed

by redvidar / October 12, 2008 12:05 PM PDT

i build my own computer a few years back, and to date she has been a reliable workhorse, until a bout an hour ago.

i took her and set her up in another building for a day broke her down and brought her back. plugged her in started her up then in about a minute figured i had forgotten to start her up and tried again. from several attempts she will shut off some time after the ram is tested and after the hdds are detected and about 15 or thirty seconds after windows starts(xp 64bit pro). so i put her on her side to see if i could see anything, and she was working fine (during the start up windows found a corrupted file, on the intentional restart, ran chek disk and fixed it [she was on her side during all of this] then i ran some programs) so i put her right side up, slid her into position and she shut off. so i tried her with a different power cord and my other ups. same thing. she only works on her side now, i am even using her as we speak.

it will shut off before and at different times when windows is loading so i don't think it can be a soft ware issue. it shuts off before running anything so i don't think it could be heat. (and its working now) it shuts off when plugged into the same protected power sources she works off of when on her side so i don't think it can be a power issue... what on earth could it be? i tested connections, nothing loose and after trying them there was no change. i have no idea how to test and see where the problem is, but i think it must be hardware... no clue... it seems awful sudden and illogical...

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whoops
by redvidar / October 12, 2008 12:06 PM PDT
In reply to: flummoxed

i forgot to track the thread and get an email if anyone comes up with an idea...

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Sounds like maybe the heastink fan is no longer making
by VAPCMD / October 12, 2008 12:33 PM PDT
In reply to: flummoxed

good contact with the CPU. Might try removing it, cleaning off the old paste and applying some nice fresh thermal paste.


VAPCMD

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wow
by redvidar / October 12, 2008 2:57 PM PDT

seems to be working. never would have guessed it. how did you figure it out? is it a common problem?

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and thanks
by redvidar / October 12, 2008 2:58 PM PDT
In reply to: wow

forgot to thank you, my bad. i seem forgetful today.

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(NT) So you removed the HS Fan and applied new thermal grease ?
by VAPCMD / October 13, 2008 12:12 AM PDT
In reply to: wow
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yes
by redvidar / October 13, 2008 10:33 AM PDT

well thermal paste... is there a difference?

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No difference in the thermal paste or grease ...most.
by VAPCMD / October 13, 2008 11:55 AM PDT
In reply to: yes

use the terms synonymously. I was just checking if you resolved it as suggested.

How did I conclude it was the HS fan ? You said that you moved the PC and that the PC worked when you laid on its side but not when you placed it upright. I assumed the HS fan was making better contact when horizontal than when it was vertical. HS Fans can sometimes come loose just enough when moved or not set down gently that it can't transfer the heat resulting in quick shutdown. Removing the HS fan and reinstalling it with fresh thermal compound can usually resolve that.

Glad you got it fixed.

VAPCMD

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