12-03-2019, 06:47 AM
Try Settings>Keyboard>Layout - uncheck default and locate Compaq Presario in the list - it may help
Check to make sure xbacklight is installed and have a look at this conversation for tips
https://forums.linuxmint.com/viewtopic.php?t=45271
Check to make sure xbacklight is installed and have a look at this conversation for tips
https://forums.linuxmint.com/viewtopic.php?t=45271