Acer Aspire E1-471 Acer Aspire E1-431 and E1-471 Notebook Service Guide - Page 169

Clearing Password Check and BIOS Recovery 0 This section provides users with the standard operating procedures of clearing password and BIOS recovery for the Aspire E1-431/E1-431G & E1-471/E1-471G. The machine provides one Hardware Open Gap on main board for clearing password check, and one hot key for enabling BIOS Recovery. Clearing Password Check 0 NOTE: NOTE: The following procedure is only for clearing BIOS Password (Supervisor Password and User Password). Steps for Clearing BIOS Password Check 0 If users set BIOS Password (Supervisor Password and/or User Password) for a security reason, BIOS will ask the password during systems POST or when systems enter to BIOS Setup menu. However, once it is necessary to bypass the password check, users need to clear the password by the following steps: 1. Press Power button. 2. Press [ key before Acer logo disappears (Figure 5-3). Figure 5-3. Keyboard Key Location 3. Select Boot Option item 'USB HDD' as highlighted in Figure 5-4 and press Enter to exit the BIOS Boot Option menu. 4. Execute ClearPwd.EXE under the DOS mode. 5. When message Clear the SU Pws completely is displayed, supervisor password has been cleared. 6. Restart the system. Press F2 to enter BIOS Setup menu. 7. If there is no Password request, BIOS Password is cleared up. 8. If a password is requested, repeat Steps 1 through 5. Jumper and Connector Locations 5-5