Question about Dell Dimension 4600 PC Desktop
My computer PC keeps shutting down and won't work and on;y works for a few minutes and shuts down what do I do or need to fix it?
Overheating When the CPU overheats then it will shut down (i.e. thermal overload) and won't boot up again until it has cooled down. If this is the problem is not fixed then the CPU will eventually fail.
A faulty fan causes the problem or the fan and heat sink assembly are clogged with dust.
Check the CPU fan to see if it spins freely, if not replace the fan.
If the fan and heat sink is clogged with dust the remove the dust and make sure the vents are clear and dust free. Use a small brush and can of compressed air to do this.
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Posted on Jan 02, 2017
SOURCE: Fan Malfunction??
Sounds like a heat issue, pop the side of your case open and turn on the PC, are there fans not moving? Take a close look at your processor fan if there is one.
Posted on Jul 10, 2008
It sounds like your power supply fan may be overheating. The easiest way to determine this is to open the case and look at the fan while it is spinning- if it is indeed spinning at all. I find the best way to get an idea of the functionality of the fan is to shine a flashlight on it at an angle. If you can detect fluctuations in the rpm visually, you know where the problem is. Then it's a matter of changing out the power supply. If, however, the fan seems to keep the same rotation speed constantly, we'll need to look further. Let me know what you find out before we go deeper into the system.
Posted on Feb 23, 2009
the key issue on the uncommanded shutdown is the POWER LED. If upon shutdown, the power LED Flashes AMBER, then the power supply is suspect.
If no flashing amber indication, then the next think I check is the heatsink (Processor overheating) remove, clean and apply arctic Silver heat transfer paste, see if the issuje goes away
Last but not least if the system is failing to boot, and displays a 3 4 diag LED code, then you may have a RAM module that is bad or may just need reseating. Running diags off of the Rersoujrce CD is something to look at too
Posted on Mar 28, 2009
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