Pulling the drive s power connection i got a spark and the computer shut down.
Hp desktop power supply fuse.
I called the computer s maker hp and they said that they think it should use a 5a fuse but they weren t sure.
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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.
Most fuses are soldered directly to the circuit board.
At idle the psu should pull around 9 50mah 120v 1w 6w.
Up til now i ve been using a 5amp fuse in my power cable but some are now telling me that i should not be using more than a 3amp fuse for a pc.
If it is pulling power that means the main input fuse is not blown.
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If the fuse tests good you can put the power supply back together and reinstall it in the pc to test it.
I don t actually have a a 5a mains plug however so i don t know if this information is correct.
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.
Blowing a hair dryer into the fan of the power supply for 1 minute caused the light t.
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.
Replacing a fuse would require you to remove the circuit board unsoldering the old fuse and soldering a new fuse in its place.
Can someone tell me if they know the correct amperage for a mains plug fuse that s plugged into a 230 volt power supply unit in a uk pc.
On a desktop this is the power cable that runs between the computer case and the power source.
The computer won t turn on although a few leds still light up.
My mistake was disconnecting it before powering down the computer.
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Computer would not turn on and power supply was quickly flashing green.
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I am hoping i blew a fuse in the power supply.
Barring other problems this should bring that dead power supply to life.
