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Voltage and windows errors

Last response: in Windows XP
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April 15, 2002 2:29:58 AM

I had some strange errors on a 3 day old fresh windows xp pro install. sometimes i got a blue screen that says: IRQL_NOT_LESS_OR_EQUAL, and sometimes the pc just shut down and all the lights were on but i couldn't even get to the bios. The pc was on but like if it was absolutely empty (I hope you understand me i'm foreign).

I noticed with the asus pc probe that the voltage sometimes drops down from +12 to 9.500.

Can the voltage be producing these strange errors on my system.

The errors often appear when i am playing games.

My rig is:
MB asus a7a133
duron 900
128 mb generic ram
innovision tnt2 m64 32 mb
sound blaster live 5.1

Please help me!!

More about : voltage windows errors

April 15, 2002 2:40:58 AM

Yes, there is only suppose to be a 10% fluctuation on voltage.

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April 15, 2002 9:35:44 AM

9V is far to low, I'd look at replacing the psu


If they squeeze olives to get olive oil, how do they get baby oil?
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April 15, 2002 11:43:27 AM

but is it the voltage that makes the windows errors?
April 15, 2002 11:44:25 AM

i checked my power suply and it is 250 W, should i replace it with a 300 w?
April 15, 2002 11:55:02 AM

250 is probably a little low for that system, a good 300 one or a crappy 350 or 400 hehe. Really though i saw some Enermax 430w ones for like 40$ a while ago.

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April 15, 2002 9:42:22 PM

I'm searching for a 300 w power suply but,
somebody knows if the voltage IS the cause of the blue screen errors?
April 15, 2002 9:52:24 PM

Good God! Someone please tell this guy YES! Blue screen errors can be caused by bad voltage. :lol: 

If there is that much flucutation... then that is the cause of all your problems. Get a good 300W - 400W PSU and your problems will be solved.

<font color=red> If you design software that is fool-proof, only a fool will want to use it. </font color=red>
April 15, 2002 10:41:07 PM

sorry but it is hard for me to understand when you don't say very clear like you did. I'm from Chile and I am a student that doesn't know a lot of english yet.
Anyway, thanks to all the people who helped me.
April 16, 2002 8:16:03 AM

no problem! but yes, the psu can, and probably is the problem here.


If they squeeze olives to get olive oil, how do they get baby oil?
April 16, 2002 8:19:13 PM

the monitoring util shows that my 12 volt rail drops to 9 volts for less than half a second, it did that with 2 enermax power supplys, it doesnt do it in the bios readings though, i think the program is crap, when i load it my cpu usage goes up to 99% the whole time its running!

i went to the tomshardware forums and all i got was this lousy signature.
April 16, 2002 10:06:27 PM

Which utility are you using? I know some of them are crap, but there are some decent ones out there as well. Best thing to do is look in the BIOS for a similar pattern as you have done. The only problem with that is... the BIOS can also be inaccurate; especially with the system temperatures. These monitoring utilities get their information from the BIOS, so it's reporting what the BIOS would report.

I wasn't saying he should rely entirely on the software, but it is a good place to check as a first step. If the voltage is in fact fluctuating that much... even for less than half a second... it is enough for Windows to barf all over itself with BSODs. Considering this is the problem, I would say the power supply is suspect... especially since it's a 250W. The other problem could be a heat issue... but heat wasn't mentioned.

<font color=red> If you design software that is fool-proof, only a fool will want to use it. </font color=red>
April 16, 2002 10:11:44 PM

i didnt mean your diagnosis was wrong, just commenting.

i went to the tomshardware forums and all i got was this lousy signature.
April 16, 2002 10:18:30 PM

I understood what you meant. :lol: 

I just wanted to make sure it was clear this time since you brought up the software issue and my first post wasn't clear to him. :smile:

A little clarification sometimes never hurts.

<font color=red> If you design software that is fool-proof, only a fool will want to use it. </font color=red>
April 16, 2002 10:34:13 PM

Can always get out a Volt Meter and measure it the hard way =).

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April 18, 2002 3:08:49 AM

I can vouch for power errors. I had built a system with a K6-3 400, using a 250 watt power supply. The person I bought the caser from said that it was a continues power supply and I would have no problem. I ahd constant illegal actions performed. a friend of mine suggested that it could be the power and that the K6-3 should have aleast 300 watts. He was right, after installing the new power supply all those problem went away.

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