PC Problem

gvector1
gvector1 used Ask the Experts™
on
I have a Gateway 840GM that recently has had an issue booting.  When pressing the power button, all lights come on as well as the fans, but I never get any kind of audio, posting, or video.  

For trial and error purpose:
I removed all cards from the desktop.
I tried another hard drive(SerialATA).
I removed the RAM(Did not receive any post beeps).

The only other thing I could think of would be the Motherboard or the Process(775).  I do not have a 775 to test with, so I guess I am asking are there any other possible causes of this problem and if not, how else could I determine where the problem is(Motherboard or CPU)????

Thanks,
Kendal
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Commented:
Any beeps?
Also what hapens if you just unplug the power cord and plug it back?  Does it powering on?  

Author

Commented:
No beeps at all, I've had it unplugged, cpu removed, memory removed, PCI cards removed......Still no beeps.

All I get is lights and fans running.  When I remove the CPU, I don't get anything(Lights, Fans, etc).  With the CPU installed and no Memory, I get lights and fans, but no post.

Commented:
Try unpluging the power cord and push and hold the power for 10sec.  Sometimes it resets the PS.

is this AMD?
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Commented:
How many pieces of RAM do you have? I would try one at a time in each slot. This is likely a memory issue if the computer will start with no memory installed but will not POST with memory in the CPU.

Best,
T

Author

Commented:
Tried all that.  Tried one memory stick at a time, still nothing.  With no memory installed, still does nothing, I would expect some beeps, but I don't even get those.

Commented:
Well you are right it is either MoBo or CPU. Only real way to test is to replace the processor.
Commented:
i face one similar issue longtime back (PII)
the issue was from my CPU, it was not well plugged.

but some advices:
- ensure that you dont have any problem in ur power supply (if its not working fine, same result)
- ensure the its not overheated for any reason ( maybe cPu fan is not working)
try to take the processor out and install it again

Author

Commented:
You are hero.  The power supply was the problem.  I overlooked trying it until you made mention.

Thanks,
Kendal

Commented:
welcome ^_^ ... i hate this issue because i struggled to fix it one day !!

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