Is there a step-by-step guide for converting bios install to uefi?

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21

This is what I have on my Arch install as well.

# /etc/fstab: static file system information.
#
# Use 'blkid' to print the universally unique identifier for a device; this may
# be used with UUID= as a more robust way to name devices that works even if
# disks are added and removed. See fstab(5).
#
# <file system>             <mount point>  <type>  <options>  <dump>  <pass>
UUID=2218-9BA3                            /boot/efi      vfat    umask=0077 0 2
UUID=180cdfdd-3557-4ce8-bfcc-c5abc43b2883 /              ext4    defaults,noatime 0 1
UUID=96ef776b-98cf-42a9-b213-7e7417fae936 swap           swap    defaults,noatime 0 0
22

Got a brief scare when I used gdisk to reorder partitions (I wanted the ESP/sda1 in front of sda2 the way a fresh install would look like) and my system wouldn’t boot. I used a manjaro ISO to reinstall grub and that seemed to fix the problem. Would this affect disk performance? (sry about the paranoia. I’m using this computer mostly for gaming and I don’t deal with disk partitions very often.)

23

No, why should it?

24

Great!

I am a bit curious though, why would renumbering the partitions cause grub to fail? sda1/sda2 isn’t mentioned anywhere in the grub config file and I thought newer versions of grub only use partition UUIDs.

25

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