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- Occassional freeze
October 1, 2005, 2:27 am
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My system has started to occassionally freeze. It may be freezing more
often now. Seems like it at first it was freezing every couple days,
recently maybe daily. When it freezes, nothing happens other than the system
is completely frozen - i.e., never had a BSOD. Nothing in Event Viewer. It
has frozen mainly when no one was using the PC and one time when I was using
IE. Ran fine for ~ 3 months after first building.
I'm wanting to confirm the suspects.
System is AMD64 3000. 4 sticks of 256MB - two different brands [not pretty,
but worked for ~ 3 months]. Gigabyte K8NSC-939. PNY 5700VE [with Zalman
Two hard drives - system on SATA, second on primary PATA. Toshiba CD/DVD RW
on secondary PATA. Nexus 400w PS.
MBM says CPU temp is 30c at idle, 35c at full load.
Win XP, SP2, all security updates.
For couple months before the freezing started, the system was overclocked by
20% with Vcore + 0.15v, HT + 0.2v and memory + 0.2v.
For the past several weeks, all setting have been reset to normal - i.e., no
All 4 memory sticks have been reseated; all cables have been reseated.
[Just did this - too early to tell if this is the cause]
Is it possible that the memory [or other component] has been damaged in a
way to cause the freezing? [Prime 95 ran for four hours without a problem].
I've updated the video card to use a 5x.xx version [it was using a 7x.xx
version]. But, it's frozen since the change.
Both hard drives passed chkdsk /r. [Just did this also - too early to tell
if something was fixed even though no error was reported]
The Northbridge fan has some dust in it, but it was still rotating without
any unusual noise.
I'm planning to start memtest next.
Any comments/suggestions welcome!
Re: Occassional freeze
Just a suggestion- Boot with a Knoppix CD and use it for a few hours to
see if it still freezes. If it does then you probably have a hardware
problem. If not then windoze or your background programs or one of your
drivers may be causing the freeze. Does it freeze in safe mode? You
could also disable your startup programs (run msconfig). If all else
fails try a reformat-reinstall. I'm not saying that it's not hardware
related, but don't rule out software failure just because there wasn't
and event listed in the event viewer. I've repaired many such freezes by
disabling startup programs.
Re: Occassional freeze
Good point. I've restored another hard drive to the state 4 months ago
[i.e., when the system was first built] - well before the freezing started.
Do you know if memory passes memtest, it means the memory is absolutely,
positively good - and I should move on to other possibilities? Since it's
taking at least ~ 24 hours of continous running before a freeze occurs, I'm
thinking it has to be a weakened component that was overstressed during
overclocking - which would be the CPU or the memory. [AGP bus is set
separately and has always been at 66mhz].
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