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 1 points 4 days ago (1 children)

Thank you for your response. I very much appreciate it.

I will definitely try whatever I can first before creating a bit of a workaround of suspend then hibernate. What I really want is just for the laptop to shut down properly, so that when it boots it still has the same, or very similar amount of battery.

My BIOS settings are definitely correct, I've gone over and triple checked them. Wake on land and all of those kind of things are turned off as well. I am fully stumped.

[–] glitching@lemmy.ml 2 points 4 days ago* (last edited 4 days ago)

not familiar with the usability issues that you need X11 for, but fedora has spins for xfce, cinnamon, etc. that are gonna keep X11 around for a long time.