The Unowhy Y13 is a French-manufactured 2-in-1 tablet/laptop often distributed to students in France (PRONOTE devices). Because these are educational devices, they often have installed by schools to prevent students from booting from USB drives or reinstalling Windows.
When you attempt to enter the BIOS configuration menu (usually by spamming the , Del , or F12 keys at boot), you are greeted with a password prompt. Entering the wrong password multiple times typically locks the interface completely or displays a specific error code. What is a "Portable" BIOS Password Tool? unowhy+y13+bios+password+portable