Lenovo 4221 Laptop User Manual


 
Figure 28. Installing the primary hard disk drive
14. To complete the replacement, go to “Completing the FRU replacement” on page 103.
Replacing the secondary hard disk drive
Attention
Do not open your computer or attempt any repair before reading and understanding the “Important safety
information” in the ThinkStation Safety and Warranty Guide that came with your computer. To obtain a copy
of the ThinkStation Safety and Warranty Guide, go to:
http://www.lenovo.com/support
This section provides instructions on how to replace the secondary hard disk drive. Not all computers have
the secondary hard disk drive.
To replace the secondary hard disk drive, do the following:
1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect
all power cords from electrical outlets and disconnect all cables that are connected to the computer.
2. Remove the computer cover. See “Removing the computer cover” on page 73.
3. Locate the secondary hard disk drive. See “Locating internal drives” on page 72.
4. Disconnect the signal cable and the power cable from the hard disk drive.
5. Press the blue release button to release the hard disk drive cage and then lift the hard disk drive cage
out of the chassis.
Chapter 9. Replacing FRUs 93