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dead MB or Pow. Sup.


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#1
meach

meach

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friends computer
Suggestions on finding out if dead motherboard (MB)or dead powersupply (PS)?
As soon as 120v is plugged into PS case HDD & Power led flicker nonstop, MB fan runs but nothing else works. Owner was having problems getting puter to boot off and on prior to this. She went ot turn it on and all she get is the flicker.


Have already tried:
1. removing power & ribbon cables to drives, flicker the same.
2. only external card is modem, removed it, flicker the same.
3. removed power switch connecor to MB, fliker the same.

Puter: emachine
MB: imperial 134841 (I understand is a common MB used)

any suggestions?
thanks in advance
meach
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#2
Neil Jones

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Problems with eMachines can be summed up in two bullet points as its a common fault on pretty much all of them more than about 30 months old.

1) Power supply brand is Bestec, it is toast.
2) Said Bestec power supply has failed and fried the main board.
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#3
AnthonyJ

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my imperial glve does the same thing, my old psu (stock) burnt out so i had the board tested and it was fine so i bought a 630w my board works fine sometimes then it will do that, i havent figued it out yet either
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#4
meach

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thanks for the information
this puter is about 3 yr old i think
I get the impression its not a top of the line MB, I haven't done
much hardware work last few years, kind of out of touch on hardware,
built my last 2 puters myself, still working great after several yrs.

i'll see if i can scavenge a different PS and see what happens and go
from there, i hate for her to get ripped off spending $$$ repairing a
next worthless machine.

meach
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