345525-005 Hewlett-Packard 500W Power Supply P/N: 345525-005 - Hewlet

hey this is a shag easy I'm trying to fix my sister's computer here she was saying that wouldn't turn on so I suspected I need to replace the power supply as you can see let's see that light in the back of the power supply just flashes repeatedly on and off green you probably can't hear it but every time I fly as it also makes a clicking noise then of course nothing happens when we try to turn it on the HP website told me to unplug it hold this down 10 seconds nothing happened and it told me to switch it from unplugged of course from 110 to 220 on the back here and then switch you back and then try again but no I didn't do anything either but I was reading on some forms up people were having success by blown a hairdryer into the back of the power supply fan and I'm going to try it and see what happens just bought this London look hairdryer London has a reputation for having really nice