Question about Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

Dell Dimensions 5100 Power Button

I have a Dell dimensions 5100.

The power button 'Flickers' orange, it is not a standard flash but flickers as though there is a faulty connection.

Any ideas what it could be.

This happened a cuople of days ago and after a bit is testing (removing /reseating/cleaning) I played about with the button and it started up agaian, although it then blue screened and I had to run a chkdsk on the drive to repair it.

It has now happened again.

I am assuming based on the fact I had it working again that it is not a power supply issue - could it be a faulty power button?

Posted by on

  • 1 more comment 
  • pshedges Nov 22, 2007


    I have checked these and the status of my power button is not listed.

    It is not Blinking but looks like is has a poor connection, it is Flickering.

    Also there are no diagnostic lights on - this morning after leaving it with a flickering power button for over an hour, the light went out and the PC could be powered up as normal.

  • fentiman2 Nov 25, 2007

    On 2nd anniversary of purchasing my Dell Dimension 5100 desk top it
    suddenly refused to power up. The LED flasher in the power button
    suggested it was a POST failure. Local comp engineers said (without
    testing!) it was definitely a motherboard failure and I would have to
    order a new case and mobo from DELL as DELL did not supply mobo's for
    this model on their own. I began lengthy (and fruitless) e-mail
    correspondence with DELL about whether this was true and how I could
    get a replacement mobo from them. After weeks of being given the
    run-around by different departments it turned out that they do not
    supply spares to the public and as I was out of warranty the only thing
    they were prepared to do was to take it in as an out-of-warranty repair
    with no kind of guarantees as to what the final cost might be. I then
    gave it to a friend of mine who does some IT work as part of his
    day-job and builds systems for people after work. He initially changed
    the power supply, cleaned out a load of dust, and the comp powered up
    and worked fine for 2 days. Then it stopped again. Same problem. He
    took it back, stripped it down again. Could not find any fault.
    Baffled, he left it for a few days that put it back together and what
    do you know? - It powered up! Well I had it back for about 3 weeks and
    it went again. In each case of failure, it had been in use by my son
    for gaming on the internet (via STEAM) and had frozen completely, so
    that the only way to escape was to power off via the power button. I
    left it unplugged for a few days and it then started again is nothing
    had ever gone wrong! My friend suggested it might be a BIOS corruption
    and the draining of all power, including the battery, would clear it.
    My DELL has just gone down with same problem again and is now
    unplugged. As before, it was being used in internet gaming on STEAM
    just before it froze and had to be manually turned off. I am hoping I
    will get it started again but would like to know what is causing the
    problem and if anything can be done to avoid it in future.

  • Anonymous Mar 26, 2014

    I assumed that the power button was stuck or faulty - removed bevil, button looks fine



1 Answer

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that gotĀ 5 achievements.


    An expert whose answer gotĀ voted for 20 times.


    An expert who has answered 20 questions.

  • Expert
  • 203 Answers

The power light is tied to the Mother Board and therefore it could be an issue with just about anything on the PC. Here is the trouble shooting documentation and the link should bring you directly to what the various conditions of the power LED mean.

There is also a detailed listing for the HD light as well as some diagnostic lights (if your paticular variation is equiped)

Posted on Nov 22, 2007

  • Benjamin Madison
    Benjamin Madison Nov 22, 2007

    Are you sure you have the connections set up properly. I sounds as though it could be that the Power Light wire is plugged in to the HD spot???

    When it does start up it does so properly without any issues what so ever? It just seems to lag when plugged in and then after a short time you can start it up normally?



1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

A 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
The service is completely free and covers almost anything you can think of (from cars to computers, handyman, and even drones).
click here to download the app (for users in the US for now) and get all the help you need.
Good luck!

Posted on Jan 02, 2017


Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

Dell dimension 5100 - usb ports on motherboard are broken

Flashing Amber is normally power supply

The USB ports are part of the motherboard

Jun 08, 2010 | Dell Dimension 5100 (D51L1) PC Desktop

2 Answers

Why does the sony triniton 40in not turn on but the power button flickers red

Is it blinking a code? * * * * * * * * * * * * This would be a 4 flash. Count them and post the flash code.

Mar 17, 2010 | Sony FD Trinitron WEGA XBRKV-40XBR800 40"...

1 Answer

Main power button LED is flashing or solid yellow

This is a major problem that crippled Dell. Moels Optiplex Gx260, Gx 280, and Dimensions of whose mdel number i don't remember have this problems. This signal shows that either a power supply or your motherboard is malfunctioning. If you have an insurance better use it now or else get some technical assistance.

Nov 03, 2009 | Dell Dimension 8200 PC Desktop

1 Answer

I have a dell dimensions 5100 C and I was using it one day and it all of a sudden shut down. Now when I go to turn it back on the amber led light on the power button flashes, and will not power up....

You need to listen carefully to those beeps they will tellyou in a moment where to start looking for any problem

They are listed in your manual but if you dont have that then they re listed on the dell websiteunder the support section Q and A.

Aug 21, 2009 | Dell Computers & Internet

1 Answer

Dell Dimension 5150 automatically turns off

That flashing amber light is usually a sign the power supply is failed or is failing. I would suspect the power supply is the problem in yours. It is the better of the two problems connected with the flashing amber light..the other is motherboard is failing. Arrrr!
hope this helps (it takes a standard- oh say 350 watt 20-24 pin power supply unit.)
Hope an answer helps.
Please leave rating, thankyou

May 05, 2009 | Dell Dimension 5150 (DIM515MIN) PC Desktop

1 Answer

Dell 5000 Dimension starting issue

You need to change your power save options. Right click on the desktop, click properties, click tab screensaver click on power tab. set the desired power save functions. hope this helps

Feb 24, 2009 | Dell Dimension 5100 (D51L1) PC Desktop

1 Answer

Dell 5100 won't start... Power button blinks yellow.

hi disconnect pc and try to charge ups without anything connected

Dec 04, 2008 | Dell Dimension 5100 (D51L1) PC Desktop

2 Answers

Powering up

cleaning wont help you have to get a new motherboard

Sep 18, 2008 | Dell Dimension 5100 (D51L1) PC Desktop

2 Answers

Dell dimension 5100, power button has turned orange

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

Apr 12, 2008 | Dell Dimension 5100 (D51L1) PC Desktop

Not finding what you are looking for?
Dell Dimension 5100 (D51L1) PC Desktop Logo

445 people viewed this question

Ask a Question

Usually answered in minutes!

Top Dell Computers & Internet Experts

Les Dickinson
Les Dickinson

Level 3 Expert

18419 Answers

Alun Cox

Level 3 Expert

2678 Answers

Doctor PC
Doctor PC

Level 3 Expert

7733 Answers

Are you a Dell Computer and Internet Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides