Hi, i have turned off the security of my UEFI and the boot Logo of my laptop was changed into an old one. By the way my laptop

[aldrinalinerush]

My laptop used to have a white Dell logo but now its changed into an old 3D logo. If i turn on the security either of Legacy or UEFI, my OS wont be recognized.

 

[Plumboby]

change the format from fat32 if ur trying to load a new os using uefi be in the format of ur os ur trying to install using of flash drive i only use uefi depends how ur boot aranagement is to as dells dont like u upgrading os without being in house

 

[SkyNetRising]

BIOS boot order probably has been changed because of your modifications.
Change it back so that Windows boot manager is first in boot order.

 

[aldrinalinerush]

BIOS boot order probably has been changed because of your modifications.
Change it back so that Windows boot manager is first in boot order.

 

[aldrinalinerush]

If i turn on windows boot manager the BIOS would say no bootable device detected and i cannot install my OS on it