Having problems with your Compaq Presario 7470 (163881-004) PC Desktop ?

Computer will never turn on

\015 Hi, all, my compaq presairo 7470 won't turn on any more and i have never messed if the inside components. I bought it at the store ion 1999.\015

Answers :

Odds are good your computer is quite dirty on the inside. If you have never opened the computer I suggest you simply buy a new one, to save time and frustration.

But since you are here, this is what to look for:
Dirty inside - Open the computer and blow all the dust out. Use DRY air.
Power supply - if you have power but no lights on your motherboard anywhere, check your computer's power supply. This may mean removing it and testing in a different computer or using a multi-meter and something to turn it on.
Power switch - Perhaps your switch is simply worn out. Open the computer and follow the wires from the button to the motherboard. Remove the connection and short those two pins for a moment. If your switch is bad, your computer should now be booting up.
Hard drive failure - If you mean will not boot when you say "will never turn on" your hard drive may have failed. If this is the case you can simply replace the hard drive. BUT, you will have to re-install all of your programs AND your operating system. Better to simply buy a new computer if that is the case, unless you have all of your original disks and a fast internet connection.
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