I am hoping i blew a fuse in the power supply.
Hp desktop power supply fuse.
The computer won t turn on although a few leds still light up.
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If it is pulling power that means the main input fuse is not blown.
My mistake was disconnecting it before powering down the computer.
The ac adapter for a tablet or laptop is the cable that you plug into the wall to charge your battery it usually has a tiny light on it.
I don t actually have a a 5a mains plug however so i don t know if this information is correct.
Then there is a professional electrical company who came into my place of work the other day to test a whole load of power cables and said that a 5amp fuse would be the best versetile choice to fit.
Computer would not turn on and power supply was quickly flashing green.
If the fuse tests good you can put the power supply back together and reinstall it in the pc to test it.
If you have an ampmeter find a way to connect the power supply to the wall but have the ampmeter in series to measure if the psu pulls any current from the wall.
Power supply fuses are among the few components that can be serviced.
At idle the psu should pull around 9 50mah 120v 1w 6w.
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I called the computer s maker hp and they said that they think it should use a 5a fuse but they weren t sure.
Most fuses are soldered directly to the circuit board.
Replacing a fuse would require you to remove the circuit board unsoldering the old fuse and soldering a new fuse in its place.
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I have not removed or opened the power supply but there s no fuse apparent from the outside.
Replace the computer s power cable or ac adapter.
Pulling the drive s power connection i got a spark and the computer shut down.
On a desktop this is the power cable that runs between the computer case and the power source.
Barring other problems this should bring that dead power supply to life.
