This document contains instructions for removing and installing the hard drive in your ThinkPad T20, T21, T22, T23 computer.Attention Do not drop or apply any shock to the hard drive. The hard drive is sensitive to physical shock. Incorrect handling can cause damage and permanent loss of data.Before removing the drive, make a backup copy of all the information on the drive if possible.Never remove the drive while the system is operating or is in suspend mode.Removing the hard driveTurn off the computer; then disconnect the ac adapter and all cables from the computer. Close the computer display, and turn the computer over. Remove the battery. Remove the coin screw that secures the hard drive. You can use a coin in the slot of the screw. 1. Open the computer display; then stand the computer on its side and remove the hard drive by pulling the cover away from the computer. Remove the hard drive cover by gently pulling tabs 3 away from drive. Then pull cover away as indicated by 4. Installing the hard driveAttach