If the laptop is legally yours (purchased at a school surplus auction or you are the IT admin), you can request the via their official support portal. You will need:
Flashing overwrites the password-storing region. This is advanced and can brick the laptop if done wrong. Unowhy Y13 Bios Password
Download a clean, unpatched BIOS dump from a trusted source that matches your exact motherboard revision (e.g., "Unowhy Y13 G2 Rev 1.3"). Then flash this clean dump over your locked one. If the laptop is legally yours (purchased at