A mouse killed my power supply unit

By osmany ยท 5 replies
Jan 18, 2008
  1. Hello, believe it or not, a tiny mouse managed to enter into the power supply unit of my computer through the fan. I found it there (electrocuted when I opened the psu to try to see why it stopped working from night to morning.
    After removing the dead mouse, I inspected the psu and at first sight, nothing seems to be burned or burst, even the fuse is Ok.
    My question is: What components on the ups may have resulted damaged due to the shortcut caused by the mouse (I found it attached to the area where the power cord is plugged)
    Secondly, would you please be so kind as to provide me with a step-by-step guide on how to attempt troubleshooting or repairing this ATX psu with such a singular problem?
    Power Supply specs:
    CODEGEN switching power supply
    ATX2 03(P4)
    400 Watts max.
    Model:200X1 Made in China
  2. kimsland

    kimsland Ex-TechSpotter Posts: 14,523

    I think it would be better to purchase a new PSU, not repair unsafely the old one. (go for 550Watt this time)

    As for the UPS, this should be OK, but this will need testing too - ie without plugging into the computer first.
  3. Blind Dragon

    Blind Dragon TS Evangelist Posts: 3,908

  4. Tedster

    Tedster Techspot old timer..... Posts: 6,002   +15

    There are no user serviceable parts in a PSU. Replace it at once.

    The capacitors can give you a nasty shock and the chemicals can be toxic.
  5. kimsland

    kimsland Ex-TechSpotter Posts: 14,523

    Yes it should say that on the label too, No servicable parts

    Power supplies hold charge in them, even when off.

    Do not try to repair the power supply
    Put the metal cover back on, mark it with a big cross, and dispose of correctly
  6. osmany

    osmany TS Rookie Topic Starter Posts: 26

    Thank you all for your advices. I'll definetly buy a new psu,
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