Question about Dell Dimension™ 4600C PC Desktop

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Dell Dimension 4600C will not power up

4600C gives power to mother board ( light is on) . When you hit the power button switch on front if unit, power supply fans turns for a second or two then stops. machine will not power up, and switch light on front blinks yellow.

Unhooked most devices such ad modem board, Ram, Audio connectors, etc, and still no power up. The switch seems to be relayed through a small board behind USB Front ports that hooks to the mother board.

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  • paul48 Mar 07, 2008

    Is there any way of figuring out what is gone of is it just a guess. I certanly don't want to purchase a motherboard or Power supply if I don't need it.

  • Anonymous Dec 09, 2008

    I have the same problem except my yellow light doesn't blink. It's consistant.



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  • 492 Answers

Sounds like the power supply is faulting. If not it is your mother board that has failed.

Posted on Mar 07, 2008


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Sounds to me like when the power supply went out it allowed a surge to hit the mother board and you will have to replace it also .Look at the mother board and see if there is a green LED light showing if it is you are getting power to it and you have capacitors blown if not recheck you connections from the power supply and MB if they are all tight and correct then just figure on replacing the mother board

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The green light just show that the motherboard is getting power.
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Hope this helps.
Please rate this answer by check rating "Hands"

Feb 08, 2011 | E-Machines T3958 (827103050974) PC Desktop

1 Answer


1. This is possibly due to a malfunctioning power supply if the monitor works on another PC then the summation is the power supply is not giving the +5/-5 -12/+12 volts to the mother board to power the video card and other peripherals.
2. Your power supply will need to be replaced.
I hoped this helps. Have a Great Day!

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Dell dimension 4600c won't turn on since we had a power outage


if you CPU has a green light it meance your Power supplay is working fine chack back side of your CPU fan is working or not if it's working then just open case
folow the 2 step

1 remove RAM
2 CIMOS beetery which is on mother board leave your CPU for Some thime re fix both i hope you CPU will give you the disply

Jul 19, 2010 | Dell Dimension 4600 PC Desktop

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check the power supply is working properly, if the power supply is connected to the mother board and also check the front panel switch is connected to the board

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The purple light is flashing in the front and tries to start and won't turn on. disconnected power cord and held button in for thirty seconds still have same issue what could it be?

This can be a faulty power supply or a damaged mother board. here's how you can confirm.

When pressing the power button, inspect the cooling fan that is located on the back of the power unit where the power cord plugs in. if the fan starts then stops immediately, this will confirm a damaged power supply.

Now, if the fan continues to operate but, the CPU doesn't start to power up and load the OS, thsi will confirm a mother board issue. replace the mother board in this case.

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Pover up trouble

sounds like something is drawing down on your 12 volt supply drives or on board regulators. Try it without the drives connectged, and see if you can get the system to boot up(you'll just get a notice that your drives are unavailable, but you'll already know that, right?

got backup for your Dell?

Feb 15, 2008 | Dell Dimension 5100 (D51L1) PC Desktop

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Power LED on but no boot up

it could be your power switch, veriy that it isnt the power supply by

1.) un-plug it from the main board
2.) look at the main board connector(one coming of the power supply)
3.) you should see green wire and next to it a black one
4.) using a paper clip bridge the too wires
5.) if it works proceed to net step if not get a new power supply

to check case switch and board switch

1.) plug in power supply to main board
2.) look at the pins where the power button connects to
3.) using a metal object (blade screw driver) bridge the pins

if the board should start up>
then its your power button on the case that is bad, you can try to repair it, chage it or buy a new case,

if it doesnt work.
1.) ensure that jcms(jumper to flash the bios) is set correctly
2.) unjack each drive one at a time to see if any is causing stalling
3.) get a new main board

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Its the Mother Board..I had the same problem and had to have a new MB put in

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