As soon as the power adaptor is connected, the screen blacks out, works fine on battery power though. This is so frustrating
Check the light on the power supply that you are hooked up to. before you plug it into the laptop see if there is a green light when the plug has power from the wall. if you see a green light on...good. it means the power supply is responding correctly so far. if you get no green light, then your transformer is out in the psu. if you get a green light and plug in to the laptop and the light goes out, one of two things could be going on. first there could be a short in the psu like the previous tech said, the second more serious issue could be the power controller on the motherboard. they've been known to go out. like the tech before said. try another power supply if you can. but if you are getting a green light on the power supply before you plug it in...there may be another problem with it.
good luck!
Ruben
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Do you have a different dell power supply you can try? I just want to make sure this isn't a bad PS.
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