Question about Dell Dimension 5150 (DIM515MIN) PC Desktop

5 Answers

Dimension 5150 will not power up...just a blinking yellow light.

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  • Anonymous Apr 16, 2008

    replaced power supply, but still when the power on button is pressed, there is nothing. Only a green light on the mother board. No fan, nothing

  • pinhigh May 07, 2008

    Have same problem. Blinking yellow light.

    No problem with power source.

    No problem with USB pins.

  • Cat5150 May 07, 2008

    I have the same problem. Amber blinking light. green light on the motherboard stays lit when it's plugged in.



    I've talked with Dell tech support. One guy suggested replacing the motherboard, front IO panel and the power supply. Unfortunately my warrenty just expired, of course, and they won't extend it as my computer is having problems. Plus extending is cost about 300 dollars for one year. So another guy in the spare parts department said 95 percent of the time the blinking light means power supply and so I ordered that. I hope it fixes the problem.

  • Anonymous May 10, 2008

    I ordered a new power supply from spare parts at Dell. I installed it and it actually worked! I am happily surprised at my good fortune of finding a solution. Good luck to all in fixing it.

  • Anonymous May 15, 2008

    Ok, so pretty much when i turn on the button, there would be an amber color blinking, this has been going on for the past 3-5 weeks, the green light in the back is always on, but won't turn on.

  • computermad May 24, 2008

    Computer often won't boot up when I try to switch it on. An expert said that I should just leave the computer switched on all the time and that it was the mother board. Otherwise when it is on the computer works fine. Is there any other solution to the problem?

  • lee91 Jun 01, 2008

    computer will not power up atall. The light at the front just keeps flashing yellow and will not turn on.

  • muffsalso Nov 18, 2008

    after the computer is off for a few hours it won't come back on . I have a blinking amber light can you help

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I had the same problem, but when I unplugged everything from the back of the computer except the power it started. I then discovered the ethernet to the router seemed to be causing the problem, I replaced the cable and the power up problem has gone!

Posted on May 10, 2008

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Hi,
I've been suffering this problem for the last few weeks. I found a temporary workaround by unplugging the power cable and only plug it back when going to be used. That made my computer worked fine.

That was until yesterday when the computer start rebooting itself. First time it takes me to the desktop and I see all the icons... the it reboots. On consecutive times it takes around 20/30 seconds before it reboots itself.

I've checked all usb pins and nothing seems damaged or bent.

Any suggestions are much appreciated.

Many thanks

Posted on May 06, 2008

What is SMPS? Are you referring to the power source?
Or the circuit board that contains the power button at front of desktop?

Posted on Mar 21, 2008

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Strongly recommend checking USB ports for bent pins. I just fixed this on a friends PC about 30 mins ago!! It worked.

Posted on Mar 17, 2008

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I think that your SMPS is no working properly..
you may need to replace it !!

Posted on Mar 10, 2008

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1 Answer

Dell dimension 5150. wont start


Most times when you have flashing yellow light there is issue ether with cpu or motherboard. Just to be safe test the power supply and if ok then try to replace cpu and go from there. If power supply issue just replace it. Might be easier to take it to pc repair store. Good Luck

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When turning on the power light is yellow and laptop wont launch - was fine last night and i have turned everything off


Sounds as if the power unit may be faulty or maybe not plugged in.

Usually with a yellow power light this is an indication that the battery needs charging.


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Yellow light on power button keeps blinking but doesn't boot.


No beeps are heard, no CPU fan is turning on, only blinking yellow light. This brand usually experiences this problem.
  1. First, check the power supply. Disconnect connectors from the board and make a jumper wire for the green wire to any black wire. If the PS fan does not spin then it's busted, else proceed below.
  2. Reconnect connectors except the one with 4 wires, 2 yellow and 2 black, then switch on. If CPU fan turns on then you have a bad processor.
  3. If the fan is still not turning on then check the USB port pins for short circuit.. disconnect it from the board and switch on.
  4. Do the same with other hardware connected to the board.
PS: The metallic casing of computers must be connected to the common ground of the power utility to protect it from stray currents that result to damage of sensitive components such as processors, memory and hard disks.

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Dell dimension 5150 blinking amber lights


I have similar problem these days. After normal shutting down the PC, it can not be powered up again, the amber light blinks. A temp solution for my case is by doing these steps:

1. leave all monitor, network, keyboard and mouse etc. connected
2. disconnect the power, wait until green light and amber light dim.
3. pop up the CMOS battery, then put back in (better to check its remaining voltage, if not good, change a new one)
4. power amber light flash shorter and lighter
5. disconnect any USB connections like keyboard and mouse,
6. immediately connect keyboard and mouse back into USB ports
7. my pc powers up at this point, all green lights shining. Except it displays CMOS setup warnings, give me options to click either F1 or F2
8. I click F1, it goes into normal login XP

The only problem is I could not shutdown PC again, if I do, then I have to repeat 1-8. I have to use "Standby" instead, which I usually do.

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1 Answer

Flashing orange light on power button of Dell Dimension 5150 ...


If you experience the dreaded blinking orange power light, make sure to check your motherboard for blown capacitors as well as corrosion on the motherboard. Looks like the photo below.... if you see this then a replacement motherboard is needed.
41e870b.jpg

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Yellow light blink when powered up


that is the hard drive. does it work? If it does I wouldn't worry about it.

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Dell dimension 5150 Diagnostic Lights 31 BLINKING 3,4 SOLID


Hi you've either got the wires on the wrong connectors or they need to be turned around, i.e. red needs to be where black is. Hope this helps

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4 Answers

Blinking yellow power led


check at the back of the tower you would find 4 LEDs(small lights) labeled ABCD in a row or you might have 1234 on the front panel. note the status of these LEDs when the problem occurs and check for the solution accordingly on the support.dell. website.

would also suggest to disconnect all the devices (keyboard mouse printers etc.)next time the problem occurs and then try to start the computer

May 29, 2008 | Dell Dimension 5150 (DIM515MIN) PC Desktop

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