Lenovo ThinkPad G40 Series Service And Troubleshooting Manual page 55

5. Open the computer display; then stand the computer on its side and
remove the hard disk drive by pulling the cover away from the
computer.
6. Do not remove the screws from the sides of the cover; instead, detach the
cover from the hard disk drive by pulling in the direction of the arrows,
first 1 and then 2 .
Upgrading the hard disk drive
Chapter 2. Solving computer problems
33