Question about Computers & Internet
I started getting overheat problems with the pc after playing for several hours, it would cut off then reboot itself. Took machine casing off and found full of dust cleaned up as best we could. Used machine several times and it was fine. We then used it a couple of weeks ago and after about one Hour it shut down and will not start up again. have checked inside Tower and we have a green Led On Mother board which i presume means we have a power supply but when i push the start button nothing happens. Any ideas ? is there an overheat reset inside unit have tried rest button on front but no luck. HELP !
I KNOW YOU HAVE ALREADY DONE SOME OF THE WORK BELOW BUT GO THROUGH IT AGAIN WITH ATTENTION TO THE COOLER STEPS.
Your fan speeds up and slows down in response to temperature inside the computer.
More so the CPU.
I would suggest getting a can of compressed air made for computers
take it outside, take of the side and blow all the gunk out of there, Really go to town around the fan (you might want to wear eye protection)
While you are in there just check that the CPU cooler itself is not loose
If it is it will have to be re-seated.
If it needs re-seating don't just take it off and put it back on as that might make things worse with your temperature problem the have to be cleaned and new thermal grease put on
I think this may be your problem before you buy a new CPU make sure you check the cooler assembly and make sure you use new thermal grease ($2-5)
DON'T remove the CPU just the fan/cooler assembly.
You must clean both the surfaces without scraping anything off. Use isopropynol alcohol and cotton bud sticks until both surfaces are clean, you can use your finger nail to scrape harder residue if you wish but nothing else.
DON'T pour the alcohol over the CPU
Now apply some new thermal grease (most computer shops have it)
Be careful about how much you put on
Here are some basic instructions
Once you have re-assembled your cooler and re-connected it check everything is OK and power up the computer.
If everything went to plan you should now be back in business
Posted on Sep 17, 2009
Sounds like bad power supply. May have fried the motherboard. Had similar situation with a customer. Replaced power supply and it powered on but would not boot up due to damaged components on the motherboard.
Posted on Sep 17, 2009
First there is an on off switch on the back of your power supply. Switch that off. Take out the memory chips, then re-insert them. Turn power switch back on. With the case still open. Power it up. If it comes on. Look to see if the cpu fan is still running. If it is not turning replace the fan. If it runs you may have other problems, possibly a power supply, CPU overheating, and or switch problems. Now in other cases high end video adapters tend to overheat and causes system freeze ups and causes possible shut downs. I would still have it checked out professionally if the problem persists. Hope this helps
Posted on Sep 16, 2007
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