This article provides instructions on how to disable HTTP(s) Boot in the BIOS. Disabling this feature can resolve initial boot or login issues caused by network boot attempts.
Restart the computer.
Press F12 repeatedly until the Dell logo appears.
From the menu, select BIOS Setup.
In the BIOS menu, scroll down the left navigation pane. Select Connection.
Scroll down and locate HTTP(s) Boot Feature.
Toggle the button to turn OFF.
Select Apply Changes.
Exit the BIOS.
The computer will automatically reboot and should boot normally into the windows login scren.