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Before I do the upgrade, I have to connect my Apple Wireless keyboard from time to time using "sudo hidd --search" or "sudo hidd --connect [mac address]". I live with that for a long time because I don't have the time to solve the problem. But recently , I upgraded to the latest kernel. "sudo hidd --search" connects successfully but most of the keys on the keyboard won't work and some keys are working but have a wrong mapping. For example, when I press 'L' key, it outputs '3'.
Could anyone give me some advice how to diagnose these problems. What should I do .....
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