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- Noisy power supply fan
March 17, 2009, 12:43 am
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- about one or two BSOD's a day for a couple of weeks. I checked the
memory (31 passes of memtest86+) and changed the hard disk (it needed
it anyway), but still get crashes.
I've started noticing something in the case is making a whirring
noise, which I traced to the power supply fan. I'm sure it's gotten
louder very recently since I didn't notice it before. One perculiar
thing, I turned the box off for the night and when I tried to boot in
the morning it took about 10 tries. Each time the boot got a bit
further until it finally made it all the way.
Can anyone diagnose this problem???
Re: Noisy power supply fan
If it is a sleeve bearing fan, lube it. If it is a ball
bearing fan, replace it.
That seems like a second, unrelated problem. Normaly that
is caused by a part susceptible to a temperature change,
possbily a power supply (most likely), motherboard or video
card with marginal capacitors, a cracked solder joint or PCB
that makes intermittent contact depending on the temperature
vs thermal expansion of contacts.
If all else fails, you will need to swap in known working
parts or vice-versa, swap questionable parts into an
otherwise known working system.
A visual inspection is a good start, look for loose cabling,
cards, or failed capacitors. Check CPU with prime95, and
memory with memtest86+.
What exactly do the BSODs say? They list a stop code,
maybe a file too, which are often good hints at what went
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