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I have had my computer for 2 years and it looked dusty inside and was giving off lots of heat. I decided to remove the cpu fan and heatsink to remove the old cooling paste and replace it with new paste. I cleaned off the old stuff and applied a pea size amount to the processor and smeared it over, removing excess with a cotton bud. I also removed my graphics card, cleaned it and replaced it. I re-connected the wires and switched it on. The fans run and its sounds as if it is on but when I turn on the monitor I get the'no signal' messege. Please help me! Is there anything I can do. I ensured that the processor was inline with the little triangle, Please help!
Thanks.
ps. when I switch it on None of the keyboard lights work.
No best answer has yet been selected by samz90. Once a best answer has been selected, it will be shown here.
For more on marking an answer as the "Best Answer", please visit our FAQ.If you are lucky there is either a problem with cabling (which might have come loose from the motherboard whilst you were digging about) or perhaps the cpu just needs to be reseated.
However taking a working machine apart because it is giving off heat is never a wise move - computers generate a lot of heat, and doing so doesn't mean there is anything wrong.
I'm afraid I agree with fo3nix, it sounds like you've killed your machine.
The human body can give off 6000volts of static electricity, 30volts is enough to kill a CPU.
When you say you cleaned off all the old paste, this was presumably from the CPU which you also claimed to have checked was in line with the triangle.Both of these admissions mean you physically touched the CPU and if so did you use anti-static precautions.
The little triangle is only an indication of the orientation of the CPU and any attempt to adjust its position without lifting the locking arm could cause damage.
Finally have you pushed the graphics card securely into its seating, again using A/S precautions as they do require a fair amount of force.
By the way, correct A/S precautions should include the wearing of an anti-static wrist band.