Thinkpad P16s - Calculator hotkey doesn't work

Bought Thinkpad P16s recently, but I found that the Calculator hotkey doesn't work; however, I use Calculator a lot daily.

Whne I press fn+"=", no response. But fn+backspace works fine - it puts my laptop to sleep mode. That means my configuration of fn key is correct. If I press "=" only, certainly, only the "=" character show up in my notepad.

I also upgrade all drivers, including hotkey driver, but it doesn't help.

Does anyone know how to fix this problem?

Thank you.

Bought Thinkpad P16s recently, but I found that the Calculator hotkey doesn't work; however, I use Calculator a lot daily.

Whne I press fn+"=", no response. But fn+backspace works fine - it puts my laptop to sleep mode. That means my configuration of fn key is correct. If I press "=" only, certainly, only the "=" character show up in my notepad.

I also upgrade all drivers, including hotkey driver, but it doesn't help.

Does anyone know how to fix this problem?

Thank you.