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Computer wont start, no signs of life, power supply is good and green light turs off when plugging into computer

\015 Dell Latitude d600:\015\012Power supply works fine, I double checked with another . the green light comes on when I Plug it into the wall but then turns off when I plug my laptop into the power supply. I believe it may be in the on/off switch and notice a pinhole like to open a \015\012DVD rom when power is off. The laptop will not show any signs of powering up.\015

Answers :

Hi there
\015\012Sounds like a common problem
\015\012when you plug the power pack into the laptop its power light goes off because there is a fault. Most commonly this is connected with the plug or the socket into which it goes or the motherboard.
\015\012visually inspect the socket, if the central pin is loose thats your problem, if not then check the plug/jack bend the cable on it as these are prone to breaking. wiggle it around whilst checking the power button and status lights if none of that works then you need to strip the laptop and perform a continuity test on the first stage.
\015\012ie between socket and motherboard. please note for any sign of exposed cable and remember electricity hurts on contact be carefull. especially if you test motherboard for voltage.
\015\012ps the switch is pretty reliable and i would not poke anything in that hole just yet.
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