On Sun, 15 May 2022, Scott C. MacCallum wrote:
> After booting a newly installed 7.1 amd64 release, I tried changing my 
> tty using the Ctrl-Alt keys, and observed the following strange behavior 
> after root and non-root login.
...
> 4. When I hold down the Ctrl-Alt keys and press the F4 key, my tty is 
> not changed and the screens light dims slightly.
> 
> 5. When I hold down the Ctrl-Alt keys and press the F5 key, my tty is 
> not changed and the screens light increases slightly.

Hmm, you don't say what the laptop is, but this sounds kinda like one of 
my laptops where F5 and F6 have the brightness - and + markings, so if 
the "function lock" isn't activated I get those behaviors instead of the 
F5/F6 keys.

Does your F4 have the brightness- marking?  Is there some sort of 
"function lock" in the keyboard that selects whether to do F4 or 
brightness-?


Philip Guenther

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