Resume Error

[Liam Proven]

On 18 June 2013 08:19, Sukhdeep Singh <sukhtaaj at gmail.com> wrote:
> Using Ubuntu13.04 on my Dell laptop and screen brightness controls not working.
> Tried the solution by following below steps :
>
> 1. Open a terminal (Program - Accessories - Terminal)
> 2. Type in "sudo gedit /etc/default/grub" (without the "")
> 3. Find the line that says: GRUB_CMDLINE_LINUX="quiet splash"
> 4. Edit it so it says: GRUB_CMDLINE_LINUX="quiet splash acpi_backlight=vendor"
> 5. Save and exit
> 6. Run the command "sudo update-grub" (again without quotes of course)
>
> Brightness controls worked  But the system started hanging.
> So i reverted back to the previous settings and hanging problem solved
> but brightness control problem still exists.
> Any other Solution?
>
> Also
> Ubuntu 13.04 gives a warning on waking up suspending
> saying "Resume error - 19"
> No relevant solutions found on internet.
> Please do post solutions for this also

ACPI issues /can/ sometimes be helped by updating your firmware. Are
you on the current version?


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