this post was submitted on 30 Sep 2024
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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).
Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.
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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