Dell GX270 SFF 160Watt PSU - no start at low temperatures

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Question about Dell (HP-L161NF3P) (P0813) 160-Watt Power Supply

Dell GX270 SFF 160Watt PSU - no start at low temperatures

Hi,
my Dell GX270 SFF often does not start at the first time especially on a cold day.
The problem seems to be the powersupply. I have temporary used the PSU from an other machine and it works.
So I think the PSU is worn out. Is there a possibility to replace the capacitors or other error-pregnant parts?
The machine is 4 years old now and out of guarantee.

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tazwegion

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21 Answers

You're on the right track... failing capacitors were a real issue for these Dell PCs (and others), in fact I would be surprised if there wasn't at least one failing capacitor on the motherboard as well.

Not an extremely difficult task though it requires some electronics skill, suitable equipment & appropriate replacement components, try brands like (but not limited to) Rubycon, Panasonic, Sanyo & SamXon you're looking for Low ESR rated capacitors of equal voltage rating & capacitance.

Additionally 10v capacitors can be replaced by 6.3v items as you're only looking at 12v, 3.3v & 5v being produced within the PSU.

Posted on Jan 25, 2009

tazwegion Jan 25, 2009

I should also point out to use extreme caution when dealing with the internals of any such device as the large capacitors can store lethal charges of electricity... allow the PSU sufficient time to discharge.

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