[manjaro-dev] Possible black screen reason when booting live-cd / USB data stick

[Philip Müller]

Any kernel parameter you have to enter into boot options in our 
graphical sysmenu if you boot without uefi support:

acpi_backlight=vendor

Else you have add this line to our uefi-config files behind the other 
cmds we use.

To add it to GRUB you use followed line:

GRUB_CMDLINE_LINUX_DEFAULT=

On 11/15/2013 09:26 PM, Carl Duff wrote:
> Hi All,
>
> As you are aware, I booted into a black screen when attempting to boot 
> the 0.8.8 ISO on my new UEFI compaq (pentium).
>
> I believe this thread explains the reason (i.e. it's not 
> UEFI):https://bbs.archlinux.org/viewtopic.php?id=143903
>
> The key may be this: "I overcame this problem by adding 
> acpi_backlight=vendor to the kernel line in /boot/grub/menu.lst." (may 
> be etc/default/grub for us)
>
> Phil, can you point me in the right direction to try this out (i.e. 
> update GRUB_CMDLINE_LINUX=)? Won't push any changes.
>
> Carl
>
>
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