PC won't switch on

Smithy

Smithy

Smithy

Associate
Joined
9 Mar 2006
Posts
1,536
Location
East London
Hi,

I believe I have a faulty PSU but before I do anything about it I just want to make sure I'm not missing anything obvious.

Earlier today I switched my PC off by running the usual shut down mode on Windows. 10 seconds after it powered down I realised I needed to use the PC for something and so went to switch it back on only for it not to respond to me pressing the power button on the case. I left it and used my laptop for the task.

A few hours later I come back and press the power switch on my case and again no response. I whip the side off and check out things like the power switch pins being located properly. I also switched around power leads and tried it in different sockets. Still nothing.

As I'm about to give up I'm trying the switch again and it powers on. I use the computer for a couple of hours and it functions perfectly. I then switch it off and again am unable to switch it back on. Up until now I have yet to be successful in being able to switch it back on.

Things I've tried;
  • Different power lead
  • Different socket
  • Removed the power pin and tried shorting them with a screw driver to rule out a dodgy switch
  • Tried the paper clip method of shorting the two pins on the 24 pin connector

Still not able to get the PSU to fire up. Should I RMA it?

If so, how do I go about doing that? Is my warranty with OcUK or is it with the manufacturer?

My spec is as follows:
  • Seasonic G series 550w '80 Plus Gold' Modular Power Supply
  • Silverstone TemJin TJ08B-E Midi Tower Case
  • MSI Z87M-G43 Intel Z87 (Socket 1150) DDR3 Micro ATX Motherboard

Order with OcUK was placed 29 Oct 13.

Thanks in advance.
 
Last edited:
Hi there,

Having recently had what sounds like your exact problem (I had the same Seasonic PSU) I'd suggest you RMA it. You can leave a webnote on OCUK website asking for an RMA number and then you have to post your PSU to them who then send it on to Seasonic :).

With my PSU/system, after turning my system off I had to leave the power supply unplugged from the mains for at least an hour before I could get it to boot again. This happened at the beginning of December and around a month later I found out my PSU was faulty and got it completely replaced.

I purchased my Seasonic G Series 550w PSU on the 7th November, so I wonder if there was something wrong with the manufacture of the PSUs during this time?
 
Hi Smithy,

I recently had quite a similar issue, All I did was unplug all peripherals from your machine, unplug the PSU power cable, and unplug your PSU power cable from the Motherboard. I left this for a good half an hour and came back to it and it worked, though it shouldn't be doing this at all so I would suggest an RMA.

Hope this helps you as a temporary workaround.
 
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