Acer Aspire V7-582 Service Manual page 236

16. Ensure the Set Supervisor Password option is set to Clear.
NOTE: NOTE:
If BIOS Security menu item Password on Boot is set to Enabled, the
Supervisor Password can only be cleared by the Crisis Disk Recovery
procedure. (The default parameter of Password on Boot is set to
Disabled.)
5-8 Jumper and Connector Locations