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Question component starts burning when plugging battery

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ceetje

PCHF Member
Jul 5, 2023
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#1
Yesterday my computer suddenly got a black screen while the fans where still making sounds. I turned it off but it didn't go on again when I tried. I looked up what i should do and one of the things I could do was a power drain.

So I unplugged the battery, but now when i plug the battery in again there is a component that starts burning. The component that starts burning is PU401. It's a Lenovo L340-15IRH.

Anyone knows what I can do to prevent it from burning and make my computer work again?
 
#3
it sort of doesn't matter what part is burning - that is never a good sign and something that will only get worse.
unless you are handy with a screwdriver and soldering iron, and you deem the laptop worthy, it's time to take it to the nearest Lenovo repairer.

what is the age, about 3-4 years? any chance it is under an extended warranty plan still?
 
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