Toshiba Satellite L845

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Fixing Fn Keys

If the Fn Keys do not work or exhibit incorrect behavior(e.g brightness keys suspending the laptop) it can be fixed doing the following:

In /etc/default/grub find the line that says GRUB_CMDLINE_LINUX="" and add the following kernel parameters:

acpi_osi=Linux acpi_backlight=vendor

Then, in /etc/modprobe.d/blacklist.conf add the following line:

blacklist toshiba_acpi

If blacklist.conf doesn't exist, create it.

Finally do sudo update-grub and reboot.