Bad Motherboard?

[triple7's]

Hi everyone,
This is my first post here and I need your help.
I built a system with an Asus A8n-SLI Deluxe mb, OCZ 700watt
gamestream PS. System worked great for 2 weeks until I added a DVD
burner. Now the PS does absolutly nothing when plugged into mb, when I
test it with an ultra ps tester it is all good.
Did I flex and/or short my board? All the connections seem right and I
tried the system without the dvd, still nothing.
Am I missing something or should I just replace the motherboard?
Thanks in advance.

 

[philo]

Hi everyone,
This is my first post here and I need your help.
I built a system with an Asus A8n-SLI Deluxe mb, OCZ 700watt
gamestream PS. System worked great for 2 weeks until I added a DVD
burner. Now the PS does absolutly nothing when plugged into mb, when I
test it with an ultra ps tester it is all good.
Did I flex and/or short my board? All the connections seem right and I
tried the system without the dvd, still nothing.
Am I missing something or should I just replace the motherboard?
Thanks in advance.

Have another look...
you might have disturbed something when you put in the DVD.
Maybe you pulled the power cable from the floppy and stuck it on wrong???
bumped some RAM a little???

If worst come to worst...pull all components

then put back just a minimal hardware configuration

Viz: just RAM and video card

 

[Michael Cecil]

Have another look...
you might have disturbed something when you put in the DVD.
Maybe you pulled the power cable from the floppy and stuck it on wrong???
bumped some RAM a little???

If worst come to worst...pull all components

then put back just a minimal hardware configuration

Viz: just RAM and video card

Maybe just toggled the PSU on/off switch and forgot about it?
That would be funny. Embarrassing, but funny.

 

[philo]

Maybe just toggled the PSU on/off switch and forgot about it?
That would be funny. Embarrassing, but funny.

I forgot to mention that if all else fails...
try resetting the BIOS

 

[Mofaz]

When building one of my computers I stumbled on a very similar issue.
I tried everything, but the PSU would not start. However, the
computer itself booted up just fine; even the other fans spun. I had
two spare PSUs in a box of miscelaneous computer parts, which I
decided to use to troubleshoot the issue. Both of the PSUs worked,
which confirmed my suspicion that the original PSU went bad.

About $60 and 120 additional Watts later I had a new PSU that worked.
So, it wasn't the motherboard; it was the PSU.

I suggest you give that a try with the original PSU.

 

[Ed Murray - Dillegm]

When building one of my computers I stumbled on a very similar issue.
I tried everything, but the PSU would not start. However, the
computer itself booted up just fine; even the other fans spun.

Huh?? If the PSU wouldn't start, then how did the rest of the computer boot
just fine?

I had two spare PSUs in a box of miscelaneous computer parts, which I
decided to use to troubleshoot the issue. Both of the PSUs worked,
which confirmed my suspicion that the original PSU went bad.

About $60 and 120 additional Watts later I had a new PSU that worked.

So, even though you had two spare PSU's, you still bought another?

So, it wasn't the motherboard; it was the PSU.
Hmmmm.

I suggest you give that a try with the original PSU.

It IS the original, according to the poster.




I saw this posted awhile back on this group...
http://www.helpwithpcs.com/courses/power-supply-basics-inc-pinouts.htm
You can atleast see if you can start the PSU manually, by shorting pin *14*
with a ground pin.

When troubleshooting, remove all unneccesary hardware. Use only RAM, Video,
CPU.

Check to see if the molex connector (power into board) is snug.
Other than that, you may want to grab an extra PSU to test.
Hope this helps, Good luck.

-Ed

 

[Mofaz]

It looks like I didn't explain myself correctly. Or at least finish
the thought.

1) The PSU's fan failed, but the PSU still generated power.

2) The PSU was 350 Watts, which wasn't enough power for 6 fans, a
sound card, high-end video card, plus all of the other components
(i.e., two HDDs and two disk drives. So, I upgraded to a 430 Watt
PSU, which is plenty to handle everything.