9. Reinstall the hard disk drive assembly. See “Installing or removing the hard disk drive assembly” onpage 213.What to do next:• To work with another piece of hardware, go to the appropriate section.• To complete the installation or replacement, go to “Completing the parts replacement” on page 239.Installing or removing the front Wi-Fi antennaAttention:Do not open your computer or attempt any repair before reading and understanding the “Important safety information”on page 1.This section provides instructions on how to install or remove the front Wi-Fi antenna.Note: The front Wi-Fi antenna is only available on some models.To install the front Wi-Fi antenna, do the following:1. Remove all media from the drives and turn off all attached devices and the computer. Then, disconnectall 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 211.3. Remove the hard disk drive assembly. See “Installing or removing the hard disk drive assembly” onpage 213.4. Peel off the paper that protects the sticker on the bottom of the front Wi-Fi antenna.Figure186. Peeling off the paper that protects the sticker5. Align the two small columns on the bottom of the front Wi-Fi antenna with the two holes on the hard diskdrive bracket as shown. Then, stick the front Wi-Fi antenna onto the hard disk drive bracket.Figure187. Sticking the front Wi-Fi antennaChapter 11. Replacing FRUs (machine types: 10AX and 10AY) 221
