Acer Aspire V7-581 Service Manual page 78

4. A window with a backdoor key appears.
Figure 2-20. Backdoor Key Window
5. Prepare a bootable USB Flash Disk.
UnlockHD.EXE
6. Copy the
7. Plug the USB Flash Disk into another system.
8. In Windows 8, press the
Figure 2-21. Window 8 Show Menu
9. Select Command Prompt (Admin) to open a command window.
Figure 2-22. Window 8 Command Prompt
2-18
file to the USB Flash Disk.
Windows Key + X
.
System Utilities