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HP Pavilion no power
My wife has an HP Pavilion all in one model 22. All of a sudden, it won't boot. I unplugged everything and have it taken apart where I can see the motherboard. When plugged in, there's a blank screen, no noise, or fan spinning and I do see a small light near where the power cord plugs in
I have it facing me with the power button in front on my left and the disk drive in the back. I unplugged the ribbon cable from the power button and was told I could short out pin 2 and 4 to bypass the power button. It didn't work. Pin 1 is to my left.
I followed the ribbon cable to the motherboard and was told I could use a flat head screwdriver to short out the pins going into the mother board. I'm afraid to try that since I wonder what pins 1 and 3 are for. A flat head screwdriver would connect all 4 pins.
If pin 1 and 3 are dummy pins then that's ok. If it still won't come on after shorting out those pins on the motherboard, I assume it's a bad power supply.
I've spent hours on Google and YouTube. I'm used to a standard Desktop this one has everything inside the monitor case. It has a power adapter and charger that connects into the wall and into the computer. I'm not sure if that's the power supply. When I open the computer I see a fan, but no one has said the power supply is in the computer. And with that small light on, does that mean the power supply is ok? I do have a cheap volt meter for testing if needed
These HP's seem to be bad about the power button going out, many have said this. So I assume it's either the power supply or the power button. I tried the reset by holding the power button and also holding the Windows key and B. The HP community support website is pitiful - no response from HP. Any web resources or suggestions would be welcome.