Lenovo IdeaCentre AIO340-22IWL (F0EB009TRK) [42/57] Replacing the wi fi card

2. Remove the heat sink 3 .

Figure 23. Removing the heat sink

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 48.

Replacing the Wi-Fi card

Attention: Do not open your computer or attempt any repair before reading and understanding the Chapter

1 “Read this first: Important safety information” on page 1.

Make sure the following FRUs (or CRUs) have been removed.

“Removing the computer stand base” on page 27

“Removing the rear cover” on page 29

“Replacing the speakers” on page 30

“Replacing the middle frame” on page 32

“Replacing the fan” on page 33

“Replacing the system board frame” on page 34

To remove the Wi-Fi card, do the following:

1. Remove 1 screw

1 that secures the Wi-Fi card to the system board.

Figure 24. Removing 1 screw

2. Remove the card cover 2 . Then detach the Wi-Fi antenna connectors from the Wi-Fi card 3 .

ideacentre A340 Hardware Maintenance Manual