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Motherboard or power supply problem

Forum Motherboards & Memory : Asus - Motherboard or power supply problem

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skurella   03-25-2009 at 04:59:32 PM

I built a computer using Asus P5Q motherboard. It was working fine till yesterday. Since today however, on power on, it starts and then stops and starts again. However, i don't get any display. I tried taking out the GEForce display card to see if it was a power supply issue. However, it still happens. All the fans seem to be running fine.

Any help is appreciated.
Thanks,
S

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MaDMagik   03-25-2009 at 08:16:45 PM
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To start with try clearing the CMOS, do it as the manual says.

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lcgalloway   03-25-2009 at 09:07:14 PM
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This just happened to me. Did the same thing, pulled the graphic card, no fix. Tried another PS, no fix. I thought it was a MB problem and tried a new P5Q, but that didn't fix the issue. Turned out all my memory went bad, all 4 DIMMs. RMA'd the memory and was back in business when it was replaced.

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KarnEvil   03-26-2009 at 12:38:25 AM
- 0 +

The same's happening to me. Mobo: Asus P5Q Pro. Sometimes it boots, but often won't POST. I've already exchanged the RAM modules to different makes, but nothing changed.

Reply to KarnEvil
outlw6669   03-26-2009 at 11:28:56 AM
- 0 +

Please post your full system specs including the PSU brand, wattage and +12v amperage and any overclocks.
Use Memtest to test your RAM if you think it is at fault.

------------------------------ If the automobile had followed the same development cycle as the computer, a Rolls-Royce today would cost $100, get a million miles to the gallon, and explode once a year, killing everyone inside.
PSA
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jtt283   03-26-2009 at 04:05:07 PM
- 0 +

First thing is clear CMOS (removing any OC set there). Remove all but one RAM stick, and try.

------------------------------ There is ALWAYS a drone. Exactly where, or how many drones you will encounter may vary, but that there will be at least one will not.
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auntemame59   03-26-2009 at 05:39:15 PM
- 0 +

skurella wrote :

I built a computer using Asus P5Q motherboard. It was working fine till yesterday. Since today however, on power on, it starts and then stops and starts again. However, i don't get any display. I tried taking out the GEForce display card to see if it was a power supply issue. However, it still happens. All the fans seem to be running fine.

Any help is appreciated.
Thanks,
S



It could be something very simple like a loose connection
1. Check the power cord to the power supply
(both at the PSU and the surge supressor)
2. Check the connections from the power switch on the PC to the M/B
3. Try moving the Display card away from any heat source and make sure it's seated properly seated
4. Recheck all other power connections if above doesn't correct problem

Reply to auntemame59
drippyfausett   03-26-2009 at 06:08:41 PM
- 0 +

You could also check this checklist out seems to be pretty good. http://www.tomshardware.com/forum/ [...] -checklist

Reply to drippyfausett
KarnEvil   03-28-2009 at 06:28:08 PM
- 0 +

I've bought an Antec Truepower Trio 650W today, it has 8-pin CPU plug.
I wanted to have it anyway, but unfortunately it didn't solve the problem.
First power switch-on: vents on, black screen.
Second power switch-on: vents turned on, and then off, and then on again, POSTed, error message from Windows.
I pushed RESET and it POSTed and Windows started...

So, I have already changed RAM modules and PSU I think these are fine.
I've already reset CMOS, updated firmware. (Now it's 2002.) What else can I do?

Reply to KarnEvil
KarnEvil   03-30-2009 at 11:46:14 PM
- 0 +

The mobo was faulty. I got a replacement and it works nice.

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jtt283   03-31-2009 at 02:10:05 AM
- 0 +

Hmmm, all's well that ends well.

------------------------------ There is ALWAYS a drone. Exactly where, or how many drones you will encounter may vary, but that there will be at least one will not.
 Reply to jtt283
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