Computer won't turn on.

By Lawrence2007
Mar 25, 2007
  1. Hi Guys,
    I have a Compaq D510 SFF with 1.8 P4/256RAM/80Gb IDE HDD , which isn't turning on, no motherboard light, no sound, no nothing, just blank.Then a few hours later everything would be fine, its been doing this for about two weeks now. If any of you have any suggestions it would be much appreciated.
  2. gavinseabrook

    gavinseabrook TS Rookie Posts: 320

    Sounds like a Power Supply issue. Try to remove the power cable, wait 15 seconds so it can drain the power, move the voltage switch (red switch on back, you will need a pen or flathead) to 230, wait 10 seconds then move it back to 115. Plug in the power cable and test it.
  3. iss

    iss TechSpot Chancellor Posts: 1,994

    I would agree the most likely culprit is a defective PSU.
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