Lenovo ThinkStation P300 - Manual (Page 106)

5. Pull the blue handle to release and remove the hard disk drive from the drive cage.
Figure 45. Removing the primary hard disk drive
6. Flex the sides of the blue bracket to remove the hard disk drive from the bracket.
7. To install a new hard disk drive into the blue bracket, flex the bracket and align pin 1 , pin 2 , pin 3 ,
and pin 4 on the bracket with the corresponding holes in the hard disk drive. Do not touch the circuit
board 5 on the bottom of the hard disk drive.
Figure 46. Installing the hard disk drive into the bracket
94 ThinkStation P300 User Guide