r/debian • u/Tanashio Debian Stable • 2d ago
Debian solved the weird laptop thermal issue I had on Fedora
I wanted to share a weird experience I had regarding thermals, in case anyone else ever runs into something similar.
I didn't even game or do any heavy workloads on Fedora, yet I had this bizarre and annoying thermal issue where the heat concentrated entirely in one specific spot right around the palm rest area next to the touchpad, it starts whenever i boot to Fedora, while the rest of the laptop chassis stayed completely cool. Meanwhile, Windows handled thermals normally, and the chassis stayed cool overall.
I spent weeks trying literally everything
- Consulted almost every AI model available.
- Searched through various forums and subreddits.
- Tweaked fan curves and settings multiple times.
- Switched power profiles, power management tools, and utilities.
- Switched desktop environments from KDE Plasma to GNOME, and even performed a clean reinstall.
- Changed kernel versions multiple times.
When I asked around, people kept telling me that "Linux is Linux across all distributions" because they share the same kernel, so switching distros shouldn't make a difference.
Still, I wasn't ready to give up on Linux. I looked at the big names outside of Fedora, which basically boiled down to Arch and Debian. Arch seemed like a hassle with potential instability, plus I don't like constantly updating my system, so Debian felt like the most logical choice to test.
I gave Debian Stable a shot, and to my surprise, it completely solved the issue. Debian not only lowered the overall system thermals, but it also completely eliminated the localized heat around the touchpad. Even when the laptop gets slightly warm under load, the heat is evenly distributed across the chassis and barely noticeable now.
Thought it was worth sharing.
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u/zyndarius 2d ago
It is truth that linux is linux, but the difference between a distro and any other is exactly that, package, module, config, service, daemon, variable, etc that is lacking or in excess that makes your computer work fine or bad.
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u/Mistral-Fien 2d ago
Do you know what component is under that part of the palmrest? Knowing that would go far with troubleshooting your issue.
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u/Tanashio Debian Stable 1d ago
The battery is positioned horizontally across the whole chassis underneath the palm rest, and only one specific area of the chassis was getting hot. So I thought it was unlikely to be the battery itself, and that the heat was coming from a component above it.
I also tried some troubleshooting steps assuming it could be a battery issue, but unfortunately nothing improved.
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u/Netblock 2d ago
Probably wifi chip or southbridge or some other device having its powersaving features turned off. If you're really curious, open the laptop or watch a teardown video. Hardware powersaving has been a painpoint for hardware stability since forever--it's among the first to be blamed when the system crashes, so it's not surprising some default to off.
As to why it's not universally experienced, not all hardware is made equal; sure on paper, but physical manufacturing will always have deviance and defect. Also it's possible that a driver or firmware update fixed it and the Fedora kernel people couldn't get around to turning it back on.
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u/dangling_chads 2d ago
Oh ... yeah. The kernels between distributions can be very meaningful.
Each has a different maintainer and maintenance team / maintenance philosophy.
Debian largely follows an LTS release branch of the kernel. Other distributions (like Fedora) can use newer kernels.
Each kernel contains the entirety of all device drivers.
So, yeah. There can be a significant amount of difference in the device drivers. And all the other subsystems.