[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
This is an old revision of the document!
Table of Contents
(works on Slackware 14.2+, not tested on 14.1 and before)
View EFI boot menu contents
sudo efibootmgr
Will return something like:
BootCurrent: 0001 Timeout: 10 seconds BootOrder: 0000,0001,0004,9999 Boot0000* Windows Boot Manager Boot0001* Slackware Boot0004* Internal Hard Disk Boot9999* USB Drive (UEFI)
Change EFI boot order
sudo efibootmgr -o 0001,0000,0004,9999
Will return something like:
BootCurrent: 0001 Timeout: 10 seconds BootOrder: 0001,0000,0004,9999 Boot0000* Windows Boot Manager Boot0001* Slackware Boot0004* Internal Hard Disk Boot9999* USB Drive (UEFI)
Remove old EFI menu items
When you remove/replace old OS installs, the EFI boot menu retains references to them. To remove these old references:
List the current boot entries:
sudo efibootmgr
Then delete the desired entry:
sudo efibootmgr -Bb 0000