Acer Aspire M3-581T Acer Aspire M3-581T and M3-581TG Notebook Service Guide - Page 200

Clearing Password Check and BIOS Recovery 0 This section provides procedures for: Clearing Passwords BIOS Recovery. This Machine has one Hardware Open Gap on the main board for clearing password check and one Hotkey 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 Passwords (Supervisor Password and/or User Password) for a security reason, BIOS will ask the password during systems POST or when system enters the BIOS Setup menu. If it is necessary to bypass the password check, short the HW Gap to clear the password by performing the following steps: 1. Remove power from the system. 2. Remove HDD, AC and Battery. 3. Disconnect the RTC Battery (Figure 5-1 Item10). 4. Locate the RTCRST# jumper (Figure 5-3). 5. Use an electric conductivity tool to short the two points of the RTCRST# jumper. 6. Plug in AC, keeping the RTCRST# jumper shorted. 7. Press Power Button until BIOS POST is finished, then remove the conductivity tool from the RTCRST# jumper. 8. Restart the system. Press F2 to enter BIOS Setup menu. 9. If there is no Password request, BIOS Password is cleared. 10. If a password is requested, repeat Steps 1 through 9. 5-6 Jumper and Connector Locations