Blue tooth not working properly

sudo nano /var/lib/bluetooth/xx:xx:xx:xx:xx:xx/yy:yy:yy:yy:yy:yy/info

where xx:xx…. is pc bluetooth address and yy:yy… is the mouse bluetooth address.

In the file, I added the section at the end:

[ConnectionParameters] MinInterval=6 MaxInterval=7 Latency=0 Timeout=216 You may also need to reconnect the mouse sudo service bluetooth restart not for my anywhere2…

Uninstall snap

Refer to this link: https://www.kevin-custer.com/blog/disabling-snaps-in-ubuntu-20-04/ Simple commands: snap list sudo snap remove snap-store #all your packages one-by-one sudo umount /snap/core/xxxx sudo apt purge snapd rm -rf ~/snap sudo rm -rf /snap sudo rm -rf /var/snap sudo rm -rf /var/lib/snapd

zoom fontsize is too small for high-res screen

change the autoScale in ~/.config/zoomus.conf to true, then restart zoom.