Add the following to the GRUB_CMD_LINUX_DEFAULT entry in /etc/default/grub:
Originally Posted by cnkk
and then run on the terminal.
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset acpi_backlight=vendor"
This works for me, and nothing did before it too
For the cdrom, each time you want to open the tray run this (alt+f2 or in the terminal) instead: Make sure you haven't pressed the eject key since you rebooted before attempting this, otherwise it won't do anything.