To change the battery:
1.Turn off the computer and disconnect the power cord from the electrical outlet and from the computer.
2.Remove the computer cover. See “Removing the cover” on page 20.
3.Access the system board components. See “Accessing system board components” on page 22.
4.Locate the battery. See “Identifying parts on the system board” on page 24.
5.Remove the old battery.
6.Install the new battery.
7.Replace the computer cover, and connect the cables. See “Replacing the cover and connecting the cables” on page 31.
Note: When the computer is turned on for the first time after battery replacement, an error message might be displayed. This is normal after replacing the battery.
8.Turn on the computer and all attached devices.
9.Use the Setup Utility program to set the date and time and any passwords. See Chapter 5, “Using the Setup Utility,” on page 41.
Erasing a lost or forgotten password (clearing CMOS)
This section applies to lost or forgotten passwords. For more information about lost or forgotten passwords, go to the Lenovo Caresm program.
To erase a forgotten password:
1.Remove the computer cover. See“Removing the cover” on page 20.
2.You might have to access the system board components. See “Accessing system board components” on page 22.
3.Locate the Clear CMOS/Recovery jumper on the system board. See “Identifying parts on the system board” on page 24.
4.Move the jumper from the standard position (pins 1 and 2) to the maintenance or configure position (pins 2 and 3).
Note: If the system board has only two pins for clearing CMOS, add a jumper to the two pins.
5.Replace the computer cover and connect the power cord.
30User Guide
