Question about Dell Dimension 4500S PC Desktop

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I recently got a refurbished Dell. I left it on over the weekend and now the power light is blinking and it seems to be in some kind of sleep mode. I tried usibng the wakeup key on the keyboard, turning it off and on but nothing works.

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  • flevy Sep 29, 2008

    What is the CMOS



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Okie do one thing ...
disconnect the power from the back of the tower and than hold down the power button for 10 seconds and than connect the power and start the system

Posted on Nov 02, 2008

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I would open the unit and verify that the CPU and power supply fans are working.
If they are, I would clear CMOS.
For the following steps, power off unit for each step:
If that does not work, I would (1) reseat the memory, (2) reseat the adapters which you may have installed.

Posted on Sep 29, 2008

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  • JDTec
    JDTec Sep 29, 2008

    NOTE:when you clear the CMOS, make sure the unit is off.

  • JDTec
    JDTec Sep 29, 2008

    CMOS is where you boot info is stored.

    It is kept in the system by the battery on the system board. There is usually a jumper next to the battery for clearing the CMOS.

  • JDTec
    JDTec Oct 03, 2008

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