Acer Aspire Z1100 Acer Aspire Z1100 Desktop Service Guide - Page 153

Clearing Password and BIOS Recovery 0 This section provides users with the SOP (standard operating procedure) for clearing the BIOS password and recovering the BIOS for the ZX4250/ZX4251. Clearing Password 0 NOTE: NOTE: The following procedure is only for clearing BIOS Password (Supervisor Password and User Password). Clearing BIOS Password 0 If a BIOS password (Supervisor Password and/or User Password) is set, the BIOS will prompt for the password at system POST or upon entering the BIOS setup menu. Clear the password check with the following procedure: 1. Remove AC adapter. 2. Locate the CMOS jumper points (A). (Figure 5-2) A A Figure 5-2. CMOS Jumper Overview 3. Short each point. (Figure 5-2) Item G2 Description CMOS Jumper Point 4. Plug in AC adapter. 5. Restart the system and press F2 to enter BIOS Utility Setup menu. 6. If no password prompt is shown, BIOS password is cleared. 7. If password prompt is shown, repeat steps 1 through 5. Jumper and Connector Locations 5-5