On Tue, Jan 23, 2024 at 04:13:23PM -0300, Marcelo Laia wrote: > Dear Debian community, > > I am facing an issue with my Dell laptop, running Debian. > > After recently upgrade, my external keyboard and external mouse (both USB) > stopped working after after the screen brightness automatically decreased. > This has occurred a few times, and I can only solve it by rebooting the > laptop. > > Furthermore, I have observed that the issue is also related to the behavior > of screen brightness, which seems to decrease automatically.
A shot in the dark: does that happen only when running from battery? Perhaps the laptop is powering down its (internal) USB hub to save battery charge. In some BIOSes there are knobs to control this. Cheers -- t
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