Question about Dell Dimension 3100 PC Desktop

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Dell 3100 no coming on

I have a dell 3100 it's not coming on when you push the power button it turns orange not green and nothing happens could you please tell me if this is serious i was told it could be the motherboard

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  • sig5 Jul 18, 2008

    This problem is almost certainly a faulty Power Supply and or a motherboard failure,fiddling with keys will not resolve it

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Have you checked the SMPS power supply and memory modules?

Posted on Sep 28, 2011

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Did you checked whether the CPU / tower is turned on.. press some keys on your keyboard to make it active.

This might looks funny but it works all the time :)

Posted on Jun 25, 2008

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Dimension 3100 turns on the power button has a steady orange light there is also an orange light on motherboard cpu and power suplly fans working but wont bot up


Blinking amber (orange) indicates a problem with the power supply inside the computer. If the system cannot boot and there is a solid amber light, this could indicate a problem with the power connections for the CPU on the system board (see "Power Problems" in your Owner's Manual).

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Did you not wear an antistatic band? If not, you have killed your PC.

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I have a Dimension 3100 everytime I turn on tower an orange light comes on Please help???????


i removed the connector at "J5J3 pswrd."

this is the blue thing between the battery and the card slot.

i tried everything else such as new M/B battery. remove/change ram. take out extra card, etc.

I just fixed my dell dimension 3100 by doing this.

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I am assuming you are getting a light on the motherboard that indicates power is being supplied?

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Sleep mode


If you reformatted the hard drive, you have erased everything. If you have restore or backup disks use them now.

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2 Answers

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If under warranty contact Dell? I had this same problem, a new motherboard and fan assembly fixed this problem. Bad capacitors on the motherbard.

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