Replacing The Wi-Fi Card - Lenovo 10KW User Manual

9. Tighten the four screws to secure the new heat sink and fan assembly in the following sequence. Do
not over-tighten the screws.
a. Partially tighten screw
b. Partially tighten screw
10. Connect the heat sink and fan assembly cable to the microprocessor fan connector on the system
board. See "Parts on the system board" on page 6.
11. Place the computer in an upright position.
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 66.

Replacing the Wi-Fi card

Attention: Do not open your computer or attempt any repair before reading and understanding the "Read
this first: Important safety information" on page iii.
Notes:
• The Wi-Fi card might come in two sizes, refer to the figure that matches your Wi-Fi card when reading
this section.
• The locations of Wi-Fi antenna connectors might vary.
To replace the Wi-Fi card, do the following:
1. Remove any media from the drives and turn off all connected 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 48.
3. Locate the Wi-Fi card. See "Computer components" on page 5.
4. Disconnect the Wi-Fi antenna cables from the Wi-Fi card, and then remove the screw that secures the
Wi-Fi card.
Figure 30. Removing the Wi-Fi card cables
1 , fully tighten screw 2
3 , fully tighten screw 4
, and then fully tighten screw
, and then fully tighten screw
.
Chapter 7 Installing or replacing hardware
1 .
3 .
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