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HP Laptop drains battery while turned off
(lemmy.kde.social)
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this post was submitted on 30 Sep 2024
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There's a feature to allow charging from USB ports while a computer is off, Lenovo calls it "Always on USB." That feature is constantly using power even when nothing is plugged in. To test if any ports have that feature power off the computer then try plugging in a simple 5v 500ma usb device to charge. If it starts charging then it has that feature and will drain power. If no options to disable in BIOS then as far as I know stuck :(
I've worked on a couple recent gen refurb laptops (dell and lenovo) with that feature but lacking any disable option in BIOS. I've tried to get into the habit of plugging in whenever not being used but still end up with things empty more often than I like. Very frustrating and I think only hope is future bios update to give that option.
I'll have to check it out then, thanks for your help!
update: I tried but when off (or at least "apparently off") the USB ports are off, my phone does not charge when plugged in