6.Remove the 4 screws that secure the hard disk drive to the bay.
7.Slide the hard disk drive out of the bay.
8. Install the new hard disk drive.
(1)Insert the new hard disk drive into the drive bay.
(2)Screw back the 4 screws on the drive bay.
9.Attach the data and power cables to the new hard disk drive.
10.Line up the hard disk drive bay, then slide it in. Reattach it to the chassis with the screws.
11.Reattach the optical drive disk bay. Refer to “Replacing an optical drive”
12.Reattach the front bezel. Refer to “Removing the front bezel”.
13.Refer to “Completing the installation”.
4.2.6 Replacing a memory module
Attention: Do not remove the computer cover or attempt any repair before reading the “Important safety information” in the Safety and Warranty Guide that was included with your computer or in the Hardware Maintenance Manual (HMM) for the computer. To obtain copies of the Safety and Warranty Guide or HMM, go to the Support Web site at http://consumersupport.lenovo.com.