I own a 2019 MacBook Air where the keyboard has suddenly stopped functioning. It does not respond to input at all. Upon restarting the device, the keyboard may work temporarily but ultimately becomes unresponsive again. What strikes me as odd is that when I connect an external keyboard through a USB-C hub, two out of three keyboards have issues as well.
Although they can type to an extent, several keys fail to register, while others input completely different characters. Notably, the third keyboard operates without any problems. All external keyboards are third-party, and I have the US keyboard layout installed. Interestingly, the power button works perfectly, which raises questions about whether this is a hardware or software issue.
If it is hardware-related, I wonder why two of the external keyboards are malfunctioning in a different manner. Iām curious to know if there are any troubleshooting steps I can take aside from opening the case to check if the connector cable is properly connected. I have a hunch that it might be a hardware problem, but the inconsistency with the external keyboards confuses me. While getting it professionally repaired may not be cost-effective, I dislike the thought of discarding a device that could potentially be fixed ā it was functioning well just before these issues arose.
Any suggestions on how to resolve this situation would be greatly appreciated.
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