Question about Dell Dimension 3100 PC Desktop

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Dell precision 3100 machine will not boot up

Lights 3 and 4 illuminate on front panel of computer. Machine beeps 6 times Mine does the same, it seems to do 2 long beeps then 2 short, then 2 long.

Lights 3 and 4 are lit, one and two are not visable.

Any advice please

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Hi there
The beep codes indicate that there is a problem with the system memory, it may have to be changed.

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Posted on Feb 02, 2009

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Posted on Jan 02, 2017

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Dell precision 490 led 1 & 4 on


As description of Manual of the pc ,

led 4 is means The computer is in a normal
off condition; the computer is
connected to an electrical
outlet
https://www.manualslib.com/manual/36893/Dell-Precision-Dcd0.html?page=35#manual

1 and 3 illuminate for Memory modules are detected, but a
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• Verify that the memory modules that
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https://www.manualslib.com/manual/36893/Dell-Precision-Dcd0.html?page=40#manual

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Dell precision 3100 machine will not boot up


If your computer is beeping at you, 9 times out of 10 its going to be an issue with the memory or video. (more often the memory) Try re-seating both. If your still hearing the beep fest, below is a list of the most common beeps and what they refer to. This will help you to find out what needs replacing.

Long beep followed by 3 sequential short beeps. This issue is linked to your Graphic card configurations
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