Numbered lights flashing

By Kaorichan2009
Sep 25, 2009
  1. Im trying to diagnose a problem on my brother's computer and I need a little bit of help. He has a Dell Inspiron E521 and the lights 3 and 4 on the front are flashing in Green. Is it bad ram? X_X i hope its not the power supply
  2. B00kWyrm

    B00kWyrm TechSpot Paladin Posts: 1,436   +37

    My concern on this is that you say the lights are blinking, and the documentation indicates a solid light for the light code. I would suggest reviewing the URL noted above. If you have difficulty using Dell's memory diagnostic, we would suggest Memtest, per this tutorial...
  3. Kaorichan2009

    Kaorichan2009 TS Enthusiast Topic Starter Posts: 68

    the fans start up but the hard drive and everything else wont... im trying to find more information but everything i read said that its the power supply. >.> fixed it was just the ram needed cleaned.
  4. B00kWyrm

    B00kWyrm TechSpot Paladin Posts: 1,436   +37

    Dirty contacts or dust buildup?
    I assume the former, as the later would normally cause heat to build gradually and then start causing errors.
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