Question about Dell Dimension 4600 PC Desktop

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4600C no power, flashing amber light

My Dell Dimension 4600C was working and then all of a sudden sounded like it powered down. The Green light was still on power till I pulled the plug. When I plug back in a flashing amber light is on the power. No sounds like anything will power on. The pc might have been in an area where it got to hot but now it will not power up at all, just the flashing amber light

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  • knightto Jan 19, 2008

    I keep pulling the power and 1 in 10 tries the computer will boot up as normal. After a while it will shut down and cut power to everything. The power button stays lit to green. pulling the power and plugging back in get's flashing amber light.

    Where's the cheapest source for a power supply for a Dell Dim. 4600c?

  • knightto Jan 26, 2008

    I tried all of the fixes above and a power supply might be my answer.
    Can you suggest name/model number and place where I can get a good price?

  • txsweetie May 26, 2008

    My 4600C just turned itself off one day and now it sounds like it is trying to boot up, but just not enough there. I just read another persons solution to this and I am going to try it when I go home tonight. Hold down the power button til the orange light stops, switch off your PC and unplug the power lead. Open it up, remove the PSU from the motherboard, just pull it out of the motherboard, not out of your PC. Then put it back in and plug the PC back into the wall and switch it on. I will let you know if this works.

  • armjam Jul 08, 2008

    I have the flashing amber light also on my Dell Dimension 2400 Desktop. The power supply is plugged into a surge protector along with my TV and stereo system. The system responds verrrrrry slow and works for 30 to 45 minutes before suddenly shutting down with no error messages. It will boot up again after I unplug the power. I have cleared the temp internet files, defragged and removed some unused software and I have plenty of unused disk space. Can anyone suggest a solution to slow performance and sudden shutdown with the flashing amber light? Thanks.

  • Anonymous Aug 31, 2008

    My Dell 4600C computer will only start in safe mode. Stripped off all periferals except for mouse and keyboard

  • jimff Aug 31, 2008

    my 4600 c dell will only start in safe mode. I stripped off all perifferals qand no go

  • jwbuzz Apr 05, 2009

    I have the same flashing amber problem. When I power up the fan turns on for a split second then nothing but the flashing amber power light.

  • Anonymous May 26, 2009

    have any of you found a solution samething happens to me



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FLASHING AMBER LIGHT FIX. This maybe in fact a motherboard issue, but actually its a bit more. You can and should replace the power supply with a more powerfull one as it will help overall, but the issue is Really the front USB ports and 2 issues concerning them, 1 some devices pluged into them have boot sequences of their own, (remember your boot seq goesfrom,USB,CD,ARRAY)etc.
So if the device isnt design with its own OS, the mis-boot will get stuck Hence the Flashing light. and 2. the front USB ports dont supply alot of power upon bootup. and the devices pluged into them will again cause a mis-boot. Simply unplug everything from the FRONT usb ports. You may have to shut the computer off and unplug the machine for about *15* minutes.
Enough to get the motherboard to downpower completely.
with the front usb ports clear, and the power cord unpluged, hold down the power button and plug in the machine. should boot no problem. So to sum things up. The motherboard is fine, it just not happy with so many usb ports (power wise). A larger power supply is a good idea but wont entirly fix the issue, Unplug front usb devices as they may have some form of bootup.

Posted on Jan 24, 2008

  • Anonymous Jan 24, 2008

    AND oh btw, Your power supply isnt actually dead, the whole computer has gone into some kinda sleep mode.
    I went threw the same think, but now i know how to start it when it does it. And it will do it sometime worst than others.
    Again, unplug items in the Front usb ports( hub,mp3,flashdrive,bluetooth etc) as these usually have some form of startup/boot aka plug and play. also they maybie *upon boot* sucking too much power. hence the need for a more powerfull powersupply.


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The problem is with your microwave. The Dell PC on boot has detected the radiowaves. This has in turn when booting the Dell put it in to Ultra Safe Mode. This is new to this model Dell- the advantage is that you can still cook your ready made meal with out damaging the system board capacitors. Once the micro wave has finished you will be able to boot - dont forget it may be your neighbours micro wave!!

Posted on Apr 09, 2008

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It was not a bad power supply in my dimension 4600,as a new one resulted in the same blinking yellow light/ no power up.My solution to this problem is throw the piece of **** in the dumpster and buy an HP.

Posted on Nov 02, 2009

I replaced my power supply and it worked for a week. Then the cursor froze, the whole thing shut down and it only says" In Power Save Mode. Press any key on keyboard or move mouse." But nothing happens. I took it back to my local shop and they said it was the motherboard now. Which makes sense I guess, since I kept having to unplug it and replug it to get it to boot up. I also changed the settings to never, ever go to sleep again.

Posted on Aug 25, 2008

If your computer is running kind of sluggish, you can fix it with an easy clean up of your registry. Here's a link to a free scan that works well:
I've used this one and it sped up my computer by quite a bit. Hopefully this helps.

Posted on May 13, 2008

My 4600c had a solid amber light in the case, would seem to power on, then no POST or graphics. I fixed it by removing the fan/heatsink and examining the processor. It had a bent pin which was shorting on the next pin over. In straightening the pin it fell off. I reinstalled the processor anyways and it seems to be running fine.

Posted on May 12, 2008

Sounds like this is one of those known Microwave Issues. Be careful with that one. And yes, re-wiring the entire room is a definite solution to this issue. Start by replacing all the circuits at the breaker, then tear all the sheet rock off your walls. This may take a while, as you might guess. But the benefits are great after the re-modeling is all done and you bought a new couch.

Maybe you should consider buying a new Microwave.
Oh, and... maybe replace the power supply.
Here's the part Number for a Dimension 4600c PSU:
Manuf Part HP-L161NF3P 0P0813

Good luck with the Dry Wall!!!

Posted on May 03, 2008

Fan stops, power supply goes into thermal shutdown. May work when cooled down.

Posted on Apr 08, 2008

Power supply in the computer?

Posted on Jan 26, 2008

I have used another power chord and with no success. Are you suggesting opening up the patient?

Posted on Jan 26, 2008

Rewire the room that you are operating in - easier. don't forget to get a building permit! My Gateway is running fine and with absolutely no issues after 12 years.

I am having similar issues. Ran fine last night - powered down. Today - nothing. No amber light, no sign of life at all. Held on button while plugging, kicking, screaming. Nothing. Now I am looking for my shotgun and ammunition!

Where does one aim at this point!!!??

Posted on Jan 26, 2008

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I have been dealing with the same issue since last week. Dell Tech Support suggested that the power circuits on the motherboard had gone bad and that I replace the motherboard. I just did that this morning and the amber light is still flashing..the power will not come on. In the post above, are you suggesting that it could just be the power cord itself?

Posted on Jan 20, 2008

  • Anonymous Jan 20, 2008

    Never mind..... I re-read your post you said the power supply...the whole enchilada! Wonder why Dell support didn't think of that!


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Sounds like a dead power supply. You may mant to have it tested. Or if you have another computer perhaps you can switch the power supply and see if the known good one will make it work. If so, you found the culprit if not let us know and we can take a further look at the problem.

Posted on Jan 19, 2008

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