No Power At Start-up

E-machines / T2798
January 19, 2009 at 10:07:32
Specs: Windows XP, p4
My Problem: No signs of start up when on/off power button is pushed. No fans running, motherboard green LED is on.

Dis-connected all drives from motherboard - no change. Dis-connected PSU for test: jumped green to black pins - PSU fan starts & runs normally.

I may be wrong, but it appears that the motherboard died. Before I trash it, I would appreciate a second (or more) opinion. This is an E-Machine T2798 with Intel D845GVSR motherboard.

Best regards, Richard


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#1
January 19, 2009 at 10:15:58
Check the capacitors on the MOBO.

"So won’t you give this man his wings
What a shame
To have to beg you to see
We’re not all the same
What a shame" - Shinedown


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#2
January 19, 2009 at 10:21:04
Checked capacitors, They all look fine. No signs of bulging, discoloration, heat, etc.

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#3
January 19, 2009 at 10:36:12
Did you check the e-machines website to see if they have this as a documented issue?

"So won’t you give this man his wings
What a shame
To have to beg you to see
We’re not all the same
What a shame" - Shinedown


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Related Solutions

#4
January 19, 2009 at 10:46:24
You're not gonna like this...

eMachines power supplies are notorious for failing. That's only one problem though. When those psu's fail, they commonly take the motherboard and/or other components with 'em.

It's a crap shoot if a new psu will get the machine up and running again. If you need a new psu and used motherboard, the expense usually exceeds the value of the computer.

Skip


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#5
January 19, 2009 at 12:12:07
PSU tested OK. Also subbed PSU with a known good working PSU - no change. Obviously motherboard is dead.

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#6
January 19, 2009 at 19:21:10
Try removing the RAM. If you get error beeps with the RAM removed, that indicates that the motherboard is probably ok.

Some RAM problems can stop the motherboard from working.

For what it's worth to XP users: When you click on the 'Command Prompt' you are just causing the 'Command prompt' to be displayed. This prompt gives you access to the 'NT Virtual DOS Manager'.


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