IBM ThinkPad X40 Series Service And Troubleshooting Manual page 53

Attention
Handling a hard disk drive
v Do not drop the drive or subject it to physical shocks. Put the drive on
a material, such as soft cloth, that absorbs the physical shock.
v Do not apply pressure to the cover of the drive.
v Do not touch the connector.
The drive is very sensitive. Incorrect handling can cause damage and
permanent loss of data on the hard disk. Before removing the hard disk
drive, make a backup copy of all the information on the hard disk, and
then turn the computer off. Never remove the drive while the system is
operating, in standby mode, or in hibernation mode.
To replace the hard disk drive, do the following.
1. Turn off the computer; then disconnect the ac adapter and all cables
from the computer.
2. Close the computer display, and turn the computer over.
3. Remove the battery.
4. Remove the screw that secures the hard disk drive.
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.
Upgrading the hard disk drive
Chapter 2. Solving computer problems
31