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doc: Describe black screen issue when booting the installer.

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With suggestions by Iku-Tulo Vilutar <ikutulovilutar@gmail.com>.
Fixes <https://issues.guix.gnu.org/65572>.

* doc/guix.texi (System Installation): Add suggestion when
booting the installer fails with a black screen.
This commit is contained in:
Florian Pelz 2023-08-31 12:44:55 +02:00
parent 8c0c94bf9f
commit 2890114a70
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doc/guix.texi
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@ -2402,6 +2402,16 @@ BIOS or UEFI boot menu, where you can choose to boot from the USB stick.
In order to boot from Libreboot, switch to the command mode by pressing
the @kbd{c} key and type @command{search_grub usb}.
Sadly, on some machines, the installation medium cannot be properly
booted and you only see a black screen after booting even after you
waited for ten minutes. This may indicate that your machine cannot run
Guix System; perhaps you instead want to install Guix on a foreign
distro (@pxref{Binary Installation}). But don't give up just yet; a
possible workaround is pressing the @kbd{e} key in the GRUB boot menu
and appending @option{nomodeset} to the Linux bootline.
Sometimes the black screen issue can also be resolved by connecting a
different display.
@xref{Installing Guix in a VM}, if, instead, you would like to install
Guix System in a virtual machine (VM).