The index is a spreadsheet available here.
The machine on which Linux Mint is installed an old Acer Aspire 5732Z (" Gandalf ") It has buttons to adjust the brightness of the screen's backlight. When the user uses these buttons, Linux Mint correctly presented a fading-popup box (a slider bar) to denote relative brightness. But Linux Mint did not actually adjust the brightness of the screen. It seems to be a known issue in the Linux Mint forums and solved in multiple stages by the Easy Tips Project . I followed the instructions on Easy Tips section 5.2 in Gandalf's admin account, then re-booted, then logged in using the user account, and the brightness adjustment function worked correctly. Easy Tips asks the user to discover the relevant property of the machine, then creates a file that contains a script of parameters that other programs in Linux Mint understand. This method worked for Gandalf, because Gandalf has an integrated Intel chipset. Useful commands at the Terminal ALT+T (or th...