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Info about copying xen-*.cfg, example commands

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troubleshooting/uefi-troubleshooting.md
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@ -100,12 +100,25 @@ Boot device not recognized after installing
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Some firmware will not recognize the default Qubes EFI configuration. As such,
it will have to be manually edited to be bootable (this will need to be done after
every kernel and Xen update.)
it will have to be manually edited to be bootable. This will need to be done after
every kernel and Xen update to ensure you use the most recently installed versions.
1. Copy `/boot/efi/EFI/qubes/` to `/boot/efi/EFI/BOOT/`.
2. Rename `/boot/efi/EFI/BOOT/xen.efi` to `/boot/efi/EFI/BOOT/BOOTX64.efi`.
3. Rename `/boot/efi/EFI/BOOT/xen.cfg` to `/boot/efi/EFI/BOOT/BOOTX64.cfg`.
1. Copy the `/boot/efi/EFI/qubes/` directory to `/boot/efi/EFI/BOOT/`
(the contents of `/boot/efi/EFI/BOOT` should be identical to `/boot/efi/EFI/qubes`
besides what is described in steps 2 and 3):
cp -r /boot/efi/EFI/qubes/. /boot/efi/EFI/BOOT
2. Rename `/boot/efi/EFI/BOOT/xen.cfg` to `/boot/efi/EFI/BOOT/BOOTX64.cfg`:
mv /boot/efi/EFI/BOOT/xen.cfg /boot/efi/EFI/BOOTX64.cfg
3. Copy `/boot/efi/EFI/qubes/xen-*.efi` to `/boot/efi/EFI/qubes/xen.efi`
and `/boot/efi/EFI/BOOT/BOOTX64.efi`. For example with Xen 4.8.3
(you may need to confirm file overwrite):
cp /boot/efi/EFI/qubes/xen-4.8.3.efi /boot/efi/EFI/qubes/xen.efi
cp /boot/efi/EFI/qubes/xen-4.8.3.efi /boot/efi/EFI/BOOT/BOOTX64.efi
Installation finished but "Qubes" boot option is missing and xen.cfg is empty
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