Question about Dell Dimension 5100 (D51L1) PC Desktop

2 Answers

Wont power up

1 went through dell troublshooting ( removing cables from MB ) same problem 2 had power supply checked at Frys Electronics checked OK 3 ohmed on switch OK 4 replaced Motherboard same problem. Only green led on motherboard lites.. nothing else has power?????????????

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  • mulepanic Dec 02, 2008

    Computer will not power up. The green led light inside the tower lights up but that is all. I checked the power cable and it is ok because i used the same one with my printer and the printer powers up. I believe my problem may be a power switch/power supply that's inside the cpu, or at least I hope? Any advice?

  • Anonymous Dec 02, 2008

    my dell 5100 wont power up after a virus,a yellow light on the power button keeps on flashing,can anyone help.thanks

  • Susan Donnelly Jan 20, 2009

    how do i remove the motherboard?

  • Patrick Welch May 11, 2010

    No doubt you've fixed this or given up by now but in the interest of helping others with this problem here is a solution. I had the same problem and it turned out to be the Front I/O & Control Panel Assembly. I suspect that the USB ports had shorted out and took the whole card down. The not turning on problem was preceded by the USB ports failing. I couldn't figure out how to bypass the card to power the computer. Dell won't help if you are not under warranty (unless you purchase some additional support). I couldn't find a replacement board on Dell's web site but found some other vendors that sold them. I bought one for about $70 and it did the trick. There seems to be at least two similar model numbers for this card. I don't know if they are interchangeable or what the differences are. If you look on the card there should be a series of numbers. Look for an "X" followed by 4 numbers. In my case it was "X8682". This is the model number for the card. If you search for shopping sites with your Dell model and this card number you should find vendors to buy the card. I think this is a design flaw having the USB ports on the same connection as the on switch. It looks like many people have had this problem. One bad usb port and your whole system is taken down. My guess is that the average user is not going to be able to figure this out and will spend lots of money unnecessarily. For those comfortable opening up the case and covers (you can download the manual from the Dell site) and unplugging ribbon cables this is a fairly simple fix. Keep in mind the card won't come with any instructions. Make sure you follow power safety rules and ground yourself.

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Hey arnwulf,u fixed my computer after a repair shop couldnt!-my 5100 had an amber light flashing on front and green light on motherboard.i had to remove the memory boards[if u got more than one u have to remove all]then put power on,turn power off,put memory boards back,power up again and hey wow,it works,u saved me a lot of money,thank you.

Posted on Jan 19, 2009

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Try replacing the memory.

Posted on Nov 25, 2008

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In particular the PSU in eMachines are known to be cheap/bad and one of the first things to go out.

If you have access to one try another ATX power supply.
You don't have to remove the old one just to test.

1) Unplug the existing PSU power cable from the back.
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