Acer Aspire V7-582 Service Manual page 82

Figure 2-36. Selecting HDD
12. In DOS mode, input unlockHD XXXXXXXX (Where XXXXXXXX is the backdoor key;
example here is 68960818). The exe will generate an backdoor password(example
here is 77648238).
Figure 2-37. Getting backdoor HDD password
13. On the system with the locked HDD password, enter the backdoor password in the
window with the backdoor key. Refer to
Enter
14. Press
15. Ensure the HDD Password option under Security is set to Clear.
Figure 2-38. HDD password cleared
2-24
after entering the backdoor password to enter BIOS Setup Menu.
Figure 2-33.
System Utilities