PC only displays from a cold boot

By Lammy
Feb 13, 2006
  1. This is my first post on here, long time listener, first time caller etc so hello to everyone :D I have a annoying problem thats been bugging me for a few days now

    I built a PC for my cousin last week but have had one very annoying problem:

    - The first time i switch on the PC its perfectly fine, everything is normal, no temperature spikes nothing at all wrong.

    - When i switch it off/shut down the pc and turn it on the second time the screen goes all funny and the display is all buggered and wonky and stuff.

    - The wonkiness/glitchy screen happens on start up even before windows loads up and will continue to happen.

    - The only way to fix this is to unplug/switch off the power at the source (wall socket or extension lead) where it will go back to normal.

    Now i have tried it with another monitor and the same thing happens so can only assume it isn't the monitors problem, i was thinking more along the lines of faulty gfx card/motherboard or psu! but can't seem to narrow it down.

    Specs are:
    - MSI 6800GS 256MB GDDR3 TV + DVI PCI-E
    - Asus A8N-E mobo
    - Amd athlon 64 3700 San Diego (i think)
    - PSU is a Hiper Type R 580W
    - AOpen Nouveau Midi Tower Case
    - Western Digital Caviar Special Edition 200GB
    SATA-II 8MB Cache Hrad drive
    - Windows XP Home editon

    Any ideas on what else i can do to pinpoint this problem or what the problem could be? Any thoughts to help solve this problem would be much appreciated.
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