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May need to blow the dust out of the desktop get a can of compressed air and blow out the dust on the motherboard and inside the power supply unit. If it still freezing up check CPU fan is working and also you may need to put thermal paste under the cpu but that is a last resort. Check fans are working on power supply also.
Power supply problems may have occurred as a result of the power outage .... check power supply with a power meter .... see if its outputting ... then check connection to the computer to make sure output is working
did you check the power supply if it is working?.look for the exhaust fan if it is rotating. then look at the mother board if the fan at the processor is also rotating if not check the supply first at the PSU if ok.
Hello derick, Unfortunately power surges have been known to have some pretty nasty effects on your computer hardware. If you turn on your power (may have to toggle the power button behind your computer before pressing the button, worth trying in each position just in case) and your computer doesn't come on at all. This means that if none of your lights come on AND none of your fans come on, then your power supply may have blown out in the surge. If this is the case then you can't even begin to try and diagnose the rest of your PC to see if it's working. You need power to attempt diagnostics on your other components. Even if you replace the power supply, there is no guarantee that it was the only thing that was ruined by the surge. I hope this helps you out derick, and wish you better luck in the future :(
Sounds like the power supply or the motherboard. If you have another computer available, you can test the power supply. Just "borrow" the power supply from the other computer. If it still won't come on, then the motherboard might be bad and you'll need replacement.
If you swap the power supply and the motherboard is bad, you will not hurt the working power supply. The motherboard is already dead and won't feed back to the working power supply.
Also, if you have flashed your BIOS recently and it has not completed successfully, you might have a dead motherboard and you will need to replace it. You would know if you flashed or updated your BIOS chip.
Most of the time you'll never hear the CPU fan. If you don't hear the normal fan sounds coming from your computer, it is most likely the power supply cooling fan. Hold you hand at the back of the computer where the power chord plugs in, while the computer is running, and test if you feel air blowing on your hand. If you don't, then replace your power supply. Make sure, when checking for a new PS that you get the correct pin count. Best to order from Dell since proprietary systems usually use proprietary parts and a generic PS won't fit in the opening at the back of the computer (alignment of the plug and the fan with the opening, etc.)
That was pretty unclear. Is there a kind of burning symptom that suggests a short to you? It seems to me that what happened is that either there was a power outage and your system thus shut down...all you'd have to to would be hit the computer's power button to turn it back on...or a fan somewhere died and therefore the system won't power up until you replace or repair that. At least get a vacuum in there and brush out the dust so you can work.
What happened when you got a simplified system that 'worked'? Was the power supply's fan spinning, at least? What's the green light on, anyhow?
pull the battery out of you motherboard it will reset your bios leave the battery out for a couple minutes then when you put it back in boot up and it should go into bios use your arrows to select set defaults hit enter then reboot it should boot up then if not its possible you have a hard drive issue.