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Solved Dell Inspiron 530 desktop PC won't turn on at all

Discussion in 'Hardware' started by delerious, Dec 4, 2015.

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  1. delerious

    delerious Thread Starter

    Joined:
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    I have a Dell Inspiron 530 desktop PC that's 7.5 years old. It was working fine until today, when it wouldn't turn on at all. I kept pressing the power button and nothing happened at all - the computer just wouldn't turn on.

    I tried a different power cord and that didn't work. I opened up the computer and I could see an orange light on the motherboard was lit, and a green light on the back of the power supply was lit too, so the computer is getting power.

    I took off the front of the case and tried pressing on the power switch directly, and that didn't work. I tried pressing on where the power switch wire connects to the motherboard to make sure it was connected and that didn't help.

    Any idea on what's wrong?
     
  2. crjdriver

    crjdriver Moderator

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    Messages:
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    Most likely a failed pw supply however it can also be a failed pw switch/wiring or a failed mb. To test the pw supply, swap in a known good unit. Note known good does not mean new; it means a unit from a test system or a working system that you know works. A new pw supply can be DOA just like any other part and that will really mess up your troubleshooting.

    To test the switch/wiring, pull the pw switch leads from the mb. Jump across the mb pins with a small screwdriver or other metal object. If the board starts, you know either the switch or wiring has failed.
     
    Last edited: Dec 4, 2015
    metallica5456 likes this.
  3. delerious

    delerious Thread Starter

    Joined:
    Jun 22, 2008
    Messages:
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    You were right, it was the power supply that went bad. I put another one in and it's working again. Thank you!
     
  4. crjdriver

    crjdriver Moderator

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    You are welcome. For future reference, you can mark your own thread as solved using the button at the top of the page. No need on this one; I will mark it for you.
     
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