this post was submitted on 16 Jul 2025
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Laptop battery goes flat, when powered off, only on Debian (lemmy.ml)
submitted 5 days ago* (last edited 3 days ago) by makingStuffForFun@lemmy.ml to c/linuxhardware@programming.dev
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Hi all,

I had this laptop (Lenovo Carbon X1 Gen 6), and when it had Debian, it would just go flat on sleep, and even when powered off. So strange. I checked all BIOS settings etc, but could never figure it out.

I moved it to Fedora, and it was perfect. Battery life was boosted like crazy, acted as it was meant to.

However, I have tomove away from Fedora, due to them dropping X11 (it's an accessibility issue I'm facing with my tools) and I forgot about said issue with Debian.

Back on Debian now, woke up, powered on laptop, which was fully charged last night, and it's flat again.

What is it, that Debian is doing differently, that is making it go flat, when powered off?

Please note, I am doing a proper shutdown. Not just closing lid, sleep, hybernate, etc.

Any advice greatly appreciated. Thanks so much!

UPDATE: I booted into a fedora live disk, and shutdown. This time the battery did not go flat at all when shutdown, indicating that it is absolutely debian related, not BIOS or anything else.

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[–] makingStuffForFun@lemmy.ml 2 points 3 days ago

OK, a little bit of an update. I booted into the fedora live USB disk. I then shut down from there. A day later, and the battery is still on 98%. This shows that it is actually debian causing the issue, not a system issue like the BIOS or similar. Now, just to try and figure out what it is with Debian and shutdown.