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Dell Optiplex 755 Orange Power light


I have a dell opitplex 755 that has recently been showing an orange power light when I turn on the mains, and then it won't start up for ages. Eventually it will turn green and allow me to boot, but it's taking longer and longer and I'm fearful yet another Dell is going to die on me.


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  • steffp01 Nov 10, 2008


    There's nothing wrong with the operating system, I'm using the PC in question now.

    The problem occurs in the morning when I try to turn the PC on (after turning on the mains) the power button on the PC is orange and it won't boot. But if I leave it for a while, eventually when I turn on the mains power, the power button on the PC will turn green and allow me to boot. And it's getting worse, i.e. it's taking longer and longer to boot.


  • steffp01 Nov 10, 2008

    It's not a laptop

  • steffp01 Nov 10, 2008

    I have to ask: what motherboard component is aided by the memory not being in the computer? And is this fix permanent, or would I have to remove my memory every day?

  • steffp01 Nov 11, 2008

    I tried your suggestion and it made no difference.
    Further, when I get the orange power light in the morning the fan seems to be working harder.


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The problem is that you do not feel mother bored Cpu

Posted on Jul 20, 2014

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It's happen with me but i detect inside case some cable is not's small cable for power mother board have 4 pins...

no my pc ok
sorry for my bad english


Posted on Oct 10, 2009

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I don't know what happened before this but If you have your Operating system CD, then insert it into the drive, boot from CD and follow instructions to repair your operating system or install a fresh copy.

If this does not work, then I would like to know what happened first before you started having this problem.

Posted on Nov 10, 2008

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  • C A Tekniks Solutions

    This is a similar problem that a friend of mine has faced before. Its a hard ware problem.
    Now, remove your battery and your memory if you can or let someone assist you in removing them. Leave them out of the laptop for some time, maybe two hours and put them back.

    If this does not work then you would have to change your memory.

  • C A Tekniks Solutions

    Sorry, but you would still have to do a similar thing. This problem comes from a component connected on the mother board.

  • C A Tekniks Solutions

    You would not have to remove your memory everyday. Disconnect your power, remove your cmos battery and memory for some time(about 3 hours). When you fix them back, that should be it.

    If after fixing, it still repeats, then you would have to replace your memory with another working one to see the response.


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