Томица, you have to open up terminal and:
1. sudo gedit /boot/grub/menu.lst
2. Find there a line which starts with GRUB_CMDLINE_LINUX_DEFAULT and add before the ending quotation mark acpi_osi=Linux
3. save the file
4. sudo update-grub
And that's it. It should work, when you'll restart computer.
Томица, you have to open up terminal and: LINUX_DEFAULT and add before the ending quotation mark acpi_osi=Linux
1. sudo gedit /boot/grub/menu.lst
2. Find there a line which starts with GRUB_CMDLINE_
3. save the file
4. sudo update-grub
And that's it. It should work, when you'll restart computer.