I had same problem but I picked up the laptop and tip it on its side and the screen moved around til it was upright.

On Sat, Jul 31, 2021, at 10:24, greg zegan via PLUG-discuss wrote:
> Hello,
>   The other day I installed a fresh copy of Debian 10 on my HP 840 
> laptop.  Previously I had Debian 9 on it and had a kernel
> panic error which crashed the system.  I ran the fdsk command to try 
> and restore it but as of today its still down.
> 
> I put in a new hard drive and ran through the install.  Now when I try 
> and log in the screen is upside down.  I am not sure what happened.  
> Maybe the OS thinks this is a computer pad device or something.  Does 
> anyone know how I can fix this?  I can log in as 
> either root or myself.
> 
> please advise.
> thanks,
> Greg
> 
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-- 
  Harold Hartley
  17632 N. 5th place
  Phoenix, AZ 85022
  wheelie207@ownmail.net
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