Asked on Super User by ho1 tian, 9 months ago. No reply there for at least a week.
When the lid of a Linux laptop is closed and then opened, the built-in keyboard stops working
I installed Debian 13 + KDE on my laptop, but I found that when I set the power management in the settings to Do nothing or Turn off the screen when the lid is closed, the built-in keyboard would become unresponsive. If I select in the settings to go into sleep mode when the power button is pressed, then after the keyboard fails, pressing the power button to enter sleep mode and then waking up the laptop will make the keyboard functional again. I tried to shut down TLP, but found it had no effect at all. I tried using sudo journalctl -f , then closed the lid and opened it again. Only two logs
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When the lid of a Linux laptop is closed and then opened, the built-in keyboard stops working
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Question by ho1 tian on Super User, licensed CC BY-SA. We show a short excerpt and link to the original thread as credit.