HP 250 G2 - Using Setup Utility (BIOS) and System Diagnostics in Windows 7; Starting Setup Utility (BIOS); Updating the BIOS; Determining the BIOS version

1. Position the system board upside down.
2. Disconnect the battery cable from the system board (1), and then lift the battery up and off the system
board (2).
Reverse this procedure to install the RTC battery.
Component replacement procedures 103