4. If the WLAN antenna is not connected to the terminal on the WLAN module, install a protective sleeve on 
the antenna connector, as shown in the following illustration.
To install the WLAN module, reverse this procedure.
Hard drive
To remove the hard drive, use this procedure and illustration.
Table 5-6
hard drive description and part number
Description Spare part number
1 TB, 5400 rpm L30422-001
500 GB, 5400 rpm 778186-005
Hard drive cable M75893-001
Hard drive 37