How to fix dell dimension

Hello,
when i switch comp. on i can hear fan running, nothing on screen and on button turns orange instead of green. can you help please
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  1. Hi newcomer and welcome to the Tom's hardware forum.

    Usually this problem is 'cause the PSU is dead. Try with another PSU.
  2. Or the motherboard.
  3. If the power supply were dead... then he wouldn't get any lights or fans whatsoever... but that doesn't completely rule out the power supply as the culprit either. My experience with fixing Dells tells me that it's most likely the motherboard (as Grumpy suggests) or the small I/O board that the power button is attached to. If you have a small board with audio inputs, USB ports and the power button with LEDs, then that could be faulty. Your best bet is to contact Dell and hope that your system is still under warranty.
  4. ^With dead i don't mean that doesn't work. Can work, but not completly to run the PC.
  5. Which is why I stated it still could be the culprit... but my experience tells me most likely motherboard or power switch. Depending on the model, it could be blown capacitors as there were a number of Dells suffering from that. Problem is, it usually doesn't cause any problems until the warranty is expired.
  6. ^Well, in one thing we are agree. If doesn't the PSU is the Mobo.
  7. Zoron said:
    Which is why I stated it still could be the culprit... but my experience tells me most likely motherboard or power switch. Depending on the model, it could be blown capacitors as there were a number of Dells suffering from that. Problem is, it usually doesn't cause any problems until the warranty is expired.


    The Optiplex GX270 Dell systems were famous for that where I work...
  8. ^Not only when you work, In my company is the same thing
  9. Yes, the GX270s and even the 280s were notorious for that.
  10. ^yeah, and the GX260 too.
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