Question about Dell OptiPlex GX520 PC Desktop

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Dell OptiPlex GX520 PC Desktop Problem

I have adell gx520,when i connect the power cable,the power light blinks amber...and when i disconect the processor power cable(aux..12v)...the power button lights amber but does not blink...and the fans are all rotating....what can be the problem?

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  • lawrelochi Oct 26, 2008

    am gladfull for the solution.....thou i replaced 2 mosfet transistors that power the processor....and it worked...its up and running

  • Anonymous Mar 30, 2014

    wont power up, no power button lights

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2 Answers

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An Amber blinking power button indicates a low or missing voltage problem. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.


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Posted on Oct 20, 2008

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Hello everyone, check your cpu - I've just had one of these in for repair and the cpu was faulty - removing the ATX 4way 12v lead let the pc start rather then detecting a short and shutting the psu down. Changing the cpu cured the fault.

Thanks

Posted on Apr 18, 2009

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Nana, A solid amber power button on your GX520, indicates a motherboard failure. The motherboard will need replaced. Check the attached links,instruction and guides, Good luck
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An Amber blinking power button indicates a low voltage problem. This can be caused by a defective power supply or a defective motherboard. Just to make sure that nothing else is causing the problem, remove any PCI cards like modem, video card, sound card, etc... Remove the memory modules and disconnect cables to CD/DVD drives. Look at the USB ports to see if any are damaged.

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A solid orblinking Amber power button indicates a voltage problem. This can be caused bya defective power supply or a defective motherboard. Just to make sure thatnothing else is causing the problem, remove any PCI cards like modem, videocard, sound card, etc... Remove the memory modules and disconnect cables toCD/DVD drives. Look at the USB ports to see if any are damaged.

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Where is blinking amber light located on dell


Replace CMOS Battery.

1. Locate your CMOS battery
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3. Removing the battery
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This link will guide you. CMOS

Thank you for posting..

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Here is the info straight from Dell. looks like you have an internal power issue. You will most likely need to contact Dell directly for assistance, they are pretty good about giving support even if the system is no longer covered under warranty.

If the power light is blinking amber -
The computer is receiving electrical power, but an internal power problem might exist.
  • Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).
  • Ensure that the processor power cable is securely connected to the system board.

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Hi,
If the power button light is blinking yellow . Generally it means the problem is with the power supply and needs to be replaced . If after replacing the power supply the problem is not solved it would be the motherboard failure.

If the power light is blinking amber -
The computer is receiving electrical power, but an internal power problem might exist.
  • Ensure that the voltage selection switch is set to match the AC power at your location (if applicable).
  • Ensure that the processor power cable is securely connected to the system board.
To know more on how to troubleshoot the system visit the following link

Dell support site link

Thank you for using Fixya
Proton

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The hard disk is being accessed, this is normal. However, if the computer is idle (not doing anything noticeable), then this may be a virus infection. Get Malwarebytes and run a scan.

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