Acer Aspire V3-471 Acer Aspire V3-471 Notebook Service Guide - Page 84
Method 1, Method 2
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! CAUTION: If BIOS Security menu item Password on Boot is set to Enabled, the BIOS password can only be cleared by the Crisis Disk Recovery procedure. (The default parameter of Password on Boot is set to Disabled.) If wrong Supervisor Password is entered three times, the message System will halt! is displayed on screen (Figure 2-20). Figure 2-20. Supervisor Password Error If user is unable to obtain correct password then it must be unlocked. There are two methods to do this. Method 1: 0 If BIOS Security menu item 'Supervisor Password Is' and 'User Password Is' has been set to Set and 'Password on Boot' is set to Enabled, then Crisis Recovery disc must be used. Method 2: 0 If BIOS menu item Password on Boot is set to Disabled. 1. Press any key to exit the menu. 2. Boot to DOS and execute ClearPwd.EXE. 76776356 Figure 2-21. Clear Supervisor Password 3. When message Clear the SU Pws completely is displayed, supervisor password has been removed. 2-20 System Utilities