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The bloe light turns on and the fan starts, then it all shuts off. I plugged it in and there is an orange light on it.

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Can you get to the bios setting, by tapping the del or f2 key as it boots. Sound like a power supply - If you feel comfortable take cove off, unplug machine first. Remove Ram boards and re-insert them, plug in and turn on. Ram connectors get dirty and will give you this proble. Also sounds like a Bios or CPU bad. There is a tester for the power supply which will give you the reading for its voltage. good luck.

Posted on Jul 11, 2008

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Replacing the fan as far as I know should not cause a light change but instead the computer would get hot shutdown every time he got too warm the orange light usually signifies a hardware problem. If you have opened your computer before you might have accidentally disconnected the hard drive or one of the cables from the motherboard. If the hard drive is disconnected that usually will get an orange light or if a ram chip is missing or not in all the way does a computer beep when you turn it on

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Dell Inspiron 530 boots then the screens turn off to orange light


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Dell 5150c shuts down orange flashing light


As a temporary measure, taking the side panel off the dell 5150c stopped it from shutting down, so in my case it was clearly a heat problem, as suggested by previous the poster. The following instructions assume you're comfortable replacing computer hardware components - do at your own risk!

The solution is to buy an 'air duster' and some thermal compound for the CPU heat sink. If your CPU fan doesn't sound healthy (mine didn't), also buy a new one (ca. £20 on ebay: search for G9474 ).

Read the service manual: http://support.dell.com/support/edocs/systems/dim5150C/en/sm/index.htm for details on how to install / remove the fan and heat sink.

Clean out dust from the heat sink with air duster. Remove the fan, and clean or replace (recommended). Also clean the grill in front of the fan. Clean off old thermal compound from the CPU / heat sink and replace with a thin layer of fresh compound. Replace heat sink and side panel and you're done.




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Dell 5150c shuts down orange flashing light


It was a faulty or worn out power supply fan. I just replaced it and the computer has been running for about an hour and a half and still no shut down. The system temperature is stable. It runs quieter now. New fan cost 13.88CAD.

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Two things need to be done. First, in order to get the amber light to stop flashing, un-plug the computer from the wall for 30 seconds then plug it back in. OR hold down the power button for 10 seconds or so. The light should stop flashing. Then press the power button again and the PC should start.

But why did it abruptly shut down in the first place? The power supply has a fan-speed-control circuit in it to keep it running slow and quiet when the power supply is cool. It gives the power supply lower voltage when the power supply is cold and higher voltage as the power supply gets warmer. This circuit either is not working correctly or the fan getting sticky over the years and needing more voltage to get it moving when it is cold. I found that the fan was not starting at all and causing the power supply to over-heat.


To keep the fan moving at full speed, I cut the wire to it and wired it to the +12v output directly. Not the fan goes at full speed all the time. And yes, it is nosier. But at work it doesn’t matter.

The best solution would be to just get another power supply from Dell if possible. Or buy a +12v, 70mm fan from Digi-Key and replace the original.

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