Hitachi ELITEBOOK 2730P - Manual (Page 72)

Removal and replacement procedures
Maintenance and Service Guide 4–33
9. Position the computer with the rear panel toward you.
10. Use the battery connector 1 to lift the front edge of the system board 2 until it rests at an angle.
11. Remove the system board by sliding it away from the base enclosure 3 at an angle.
Reverse this procedure to install the system board.