hurkeybird wrote:When I power on my computer it comes to a screen showing several boot options. The top one is Zorin 15 OS core then several other Zorin options, safe mode etc. then two Windows 10 options (with identical descriptions)at the bottom. If I do nothing after a few seconds it boots to the top listing of Zorin. I would like to remove one of the Windows 10 options.
EDIT: ...Or... Do what Swarfendor said.Hurk, you might try
- Code:
sudo efibootmgr
from a terminal while booted up in Zorin.
This should give a list of the entries in the boot menu.
If you do not have it installed, you must first install it:
- Code:
sudo apt-get install efibootmgr
- Code:
sudo modprobe efivars
Then, repeat the above:
- Code:
sudo efibootmgr
Look for Windows 10 and write down its Boot Number. The boot number will look like "Boot0001" or "Boot0002," and so one. Let's say that the Windows 10 in the Boot Manager is listed as "Boot0004".
You would enter:
- Code:
sudo efibootmgr -b 4 -B
If Windows 10 was listed as "Boot0005", you would put in:
- Code:
sudo efibootmgr -b 5 -B
So, as you can see, the boot number (Just the one digit of 1,2,3,45 or so)is the value you replace in
- Code:
sudo efibootmgr -b <Boot Number> -B
ON what GRUB is:
This will do a better job than I would:
https://en.wikipedia.org/wiki/GNU_GRUBBut in short, GRUB is what manages the Boot Up. It is not to be trifled with carelessly, as an error in modifying it can destroy your boot up ability.
I know... From Personal experience.
.....twice...
(Scratches head.)