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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
WHERE: 0000 is the menu entry number.
