Check the power supply fan to see if it turns easily. A sticky fan won't 
turn and keeps the Power supply from working.
You can get a PS for about $50.00 here:
http://www.affordablesurplus.com/bestec-atx-250-12e-power-supply.asp
The best way to check is with a power supply tester.
Replacement is very easy. There's a tutorial here:
http://support.gateway.com/support/manlib/cmponts/Process/8508750/08750c01.htm


carmen strickland wrote:
> E-machines t2885. I'm getting no power at all to the
> machine. Tried switching power cords and plugging
> directly into the wall instead of the surge, nothing.
> 
> Monitor is still working and everything else plugged
> into the surge as well. 
> 
> I checked online and a few sources said power source
> gone bad, but that it's pretty easy to replace.
> 
> How would I go about checking for sure, and then
> replacing it?
> 
> It's 2.8 gig, 512 mb if that  has any bearing. 
> 
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