Computer Won't Start

  SantasLittleHelper 19:22 08 Nov 11
Locked

Hi All, I have a self built computer that has had a PSU problem, I have replaced the PSU but it won't start up, it has an Antec 500 case, MSI K9AGM3 motherboard and a ATI PCI-E graphics card. Sometimes when I switch it on it tries to start the case fan and CPU fan but only for a split second. I have tried swapping the power switch plug with the reset plug, but still no joy, I have double and triple checked all the connections and they seem ok, does any one have any tips or ideas I can try? Many Thanks, Phil

  Fruit Bat /\0/\ 20:19 08 Nov 11

Disconnect HDDs and DVD drives an retry

If Ok then reconnect one at a time to find the faulty one.

If still will not boot remove all bu one stick of memory and retry

Also check for shorts between motherboard and frame.

  SantasLittleHelper 20:40 08 Nov 11

Hi, have tried your suggestions but still no joy, I know the PSU requires a current draw to kick start but I don't quite understand what this entails, can you help. Phil

  Fruit Bat /\0/\ 21:20 08 Nov 11

Sounds like mew PSU is faulty or old PSU took motherboard with it.

PSU usually requires a load across it before it will respond to the start signal.

PSU TEST http://www.duxcw.com/faq/ps/ps4.htm

http://www.ochardware.com/articles/psuvolt/psuvolt2.html

  SantasLittleHelper 12:06 09 Nov 11

Hi, I have tried just about everything I know now(not a lot!), the case and CPU fans just make a little jump, as if they are trying to start and then nothing, I am now losing the will to live! Phil

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