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submitted 1 year ago by garam@lemmy.my.id to c/linux@lemmy.ml

Hello. I just want to ask, I already tried search many resources, but I still can't find a way to reduce battery drain while sleep on Ubuntu on Dell laptop.

I seen that it use S0ix, the new standard that many manufacturer use but when sleep it drains a lot battery, in just 6 hours the battery gone 0.

Any help is appreciated. This is company laptop and it requires me use ubuntu (I don't like it but I don't have options to changes OS/distro).

Thanks

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[-] ReversalHatchery@beehaw.org 1 points 1 year ago

How do you set that up? Please don't say it's a BIOS setting.

[-] d3Xt3r@lemmy.nz 5 points 1 year ago* (last edited 1 year ago)

Nah, it's a systemd setting. You need to edit /etc/systemd/logind.conf and change HandleLidSwitch= to HandleLidSwitch=suspend-then-hibernate, and the create or edit /etc/systemd/sleep.conf to change the timeout value:

[Sleep]
HibernateDelaySec=900

With the above, the system will automatically hibernate after 15 minutes of sleep.

Note that if you're using a full-fledged DE or a third-party power profile manager, you may need to disable any lid-close actions in there (if it doesn't have the suspend-then-hibernate option) so that systemd can handle it properly.

this post was submitted on 11 Oct 2023
36 points (97.4% liked)

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