eMachines 355 eMachines 355 Netbook Series Service Guide - Page 179

Clearing Password Check and BIOS Recovery 0 This section provide you the standard operating procedures of clearing password and BIOS recovery for the computer. There is one Hardware Open Gap on the mainboard for clearing password check, and one Hotkey for enabling BIOS Recovery. Clearing Password Check 0 Hardware Open Gap Description is as follows: Item R1184 Description Clear CMOS Jumper Location Located near DIMM Module 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 short the HW Gap to clear the password by the following steps: 1. Power Off the system, and remove HDD, AC and Battery from the machine. 2. Disconnect the RTC Battery cable and locate the CMOS jumper in the DIMM bay. 3. Use an electric conductivity tool to short the two points of the HW Gap. 4. Plug in AC, keep the short condition on the HW Gap, and press Power Button to power on the system till BIOS POST finish. Then remove the tool from the HW Gap. 5. Restart system. Press F2 key to enter BIOS Setup menu. 6. If there is no Password request, BIOS Password is cleared. Otherwise, please follow the steps and try again. Note: These steps are only for clearing BIOS Password (Supervisor Password and User Password). Chapter 5 171