Question about Dell Dimension 9100 PC Desktop

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My Dell 9100 desktop won't start.

When switched on the switch light shows green, the fan on (what I belived is the graphics card) runs, the green LED on the main board the other components are fitted to is on and and there is a peculiar noise (find it hard to described) which can be heard for a couple of seconds at a time and will come and go for maybe 15 seconds. The noise seems to be coming from somewhere on the main board which is fiited vertically to the casing. Nothing shows on the monitor, generally the monitor (Dell) power switch changes from amber to green on start up, however it stays amber.

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  • donnellygrah Feb 12, 2009

    Changed the battery re set the time & date and it worked all day until I disconnected it to put it back under the desk, having worked on it on the desk. The diagnostic lights show, 3 & 4 on constantly. Dell give this as

    Memory modules are detected, but a memory failure has occurred.



    At a bit of a loss again

  • Peter Steiert
    Peter Steiert May 11, 2010

    Have you attempted a CMOS reset? This is fairly advanced as it requires you to open your computer and pop out a battery from your system's main board.

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Or your cr2032 battery could be dead. Mine was.

Posted on May 05, 2010

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Mine does the same thing 9100 too. To solve it I just remove the memory sticks and place them back in. Works for me. I've had to do it multiple times. Cheers!

Posted on Aug 12, 2009

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Hey mate... Now there could be a number of things wrong with your PC.. First thing is that on the back of the main tower there are 4 Lights that glow if the system is ok but in case of issues they glow in different patterns according to the potential problem... look out for those lights n refer em to this chart

http://support.dell.com/support/edocs/systems/dim9100/en/SM/adtshoot.htm#wp1054146

Also in case of potential component failtures the system gives out beep codes in patterns (maybe the sounds u hear at startup)... Do a quick check

Now regardless we can perform a basic troubleshooting...now you seem to be tech savy enough so do one thing... remove all the chords from the system... then hold dowm the power button to discharge the flea power... now remove all the components one by one n reseat them immediately... this will reset the connections n then try n restart again... if the problem persists then post the 4 led code here n we'll go from there mate :-)

Posted on Feb 11, 2009

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Thanks for using Fixya.

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