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Har du testet noen av disse?
https://wiki.ubuntu.com/DebuggingTouchpadDetection

If your Touchpad stops working after it has been left unused for awhile, it may be due to runtime power-management. Disable runtime power management of the Touchpad device and check if the issue persists.
Look for your Touchpad device in /proc/bus/input/devices.
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The line starts with S: is the path of the Touchpad device, the full path will be something like /sys/devices/platform/i8042/serio1/input/input5/power/control.
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Disable runtime power-managed by running echo on | sudo tee /sys/devices/platform/i8042/serio1/input/input5/power/control (replace the path with the one for your Touchpad device.
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If the problem disappears, report as such to your bug report. If the problem persists, read on.
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Sist endret av lroedal; 11. juni 2021 kl. 16:03.