Acer e-machine E525
After putting in live cd of Ubuntu 11.4 screen went black. I installed anyway using external monitor. Still black.
Then I found this post LinkRestarted: Now I have screen Ok, but mousepad is not working anymore.Code:In the grub you press B to edit the kernel line. Add at the end of the line acpi_osi = Linux kernel. Press the brightness up key while starting. When you start editing the /etc/rc.local and add before exit 0: setpci -s 00:02.0 F4.B=00 Edit /etc/default/grub, edit the line GRUB_CMDLINE_LINUX_DEFAULT: GRUB_CMDLINE_LINUX_DEFAULT = "quiet splash acpi_osi = Linux" Update grub with: sudo update-grub2
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