Acer Aspire Timeline Ultra M5 481 Service Manual page 76

3. In the Boot Option Menu, select USB HDD: to boot from a USB device.
NOTE:
NOTE:
The Password on Boot setting must be Disabled in BIOS setup.
4. At a DOS prompt, enter ClearSuPw.exe. (Figure 2-25)
Figure 2-25. Clear Supervisor Password Utility
5. When message Clear the SU Pws completely is shown, supervisor password has
been removed.
2-22 Acer M5 481/481G/481T/481TG System Utilities