this post was submitted on 18 Jan 2024
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So i have gotten a t490 just recently, and ive installed fedora on it, gnome power profiles daemon said it was "on my lap" and wouldn't let me change the power profiles even when on a desk. So i masked that, and installed auto-cpufreq, but the laptop still draws about 10W (according to powertop) when watching a youtube video, leading to 4-5 hours of battery life.

any tips on how to reduce the power consumption?

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[–] UnfortunateShort@lemmy.world 3 points 10 months ago* (last edited 10 months ago)

These probably contain everything you ever wanted to know about the topic:

https://wiki.archlinux.org/title/Power_management https://wiki.archlinux.org/title/CPU_frequency_scaling

Be aware that some tools might be in conflict with each other. I recommend auto-cpufreq + thermald. You could add TLP to the mix, but then you need to configure it carefully to avoid conflicts.