Lenovo ThinkCentre M92 Hardware Maintenance Manual (HMM) (May 2012) - ThinkCen - Page 155

Replacing the keyboard or mouse, Removing the front WiFi antenna

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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 150. Removing the front WiFi antenna To remove the front WiFi antenna, do the following: 1. Turn off the computer and disconnect all power cords from electrical outlets. 2. Remove the computer cover. See "Removing the computer cover" on page 94. 3. Remove the front bezel. See "Removing and reinstalling the front bezel" on page 95. 4. Disconnect the front antenna cable from the WiFi card module. 5. Remove the front antenna and cable from the front of the computer. Figure 87. Removing the front WiFi antenna 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 150. Replacing the keyboard or mouse Attention: 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 replace the keyboard or mouse. To replace the keyboard or mouse, do the following: 1. Remove any media from the drives. Then, turn off all attached devices and the computer. 2. Disconnect all power cords from electrical outlets. Chapter 9. Replacing FRUs (machine types: 2697, 2698, 2742, 2750, 2935, 2943, 2960, 2967, 2986, 2992, 2994, 2999, 3182, 3184, 3186, 3190, 3201, 3204, 3208, 3212, 3217, 3220, 3226, 3228, 3302, 3391, and 3392) 149

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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 150.
Removing the front WiFi antenna
To remove the front WiFi antenna, do the following:
1. Turn off the computer and disconnect all power cords from electrical outlets.
2. Remove the computer cover. See “Removing the computer cover” on page 94.
3. Remove the front bezel. See “Removing and reinstalling the front bezel” on page 95.
4. Disconnect the front antenna cable from the WiFi card module.
5. Remove the front antenna and cable from the front of the computer.
Figure 87. Removing the front WiFi antenna
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 150.
Replacing the keyboard or mouse
Attention:
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 replace the keyboard or mouse.
To replace the keyboard or mouse, do the following:
1. Remove any media from the drives. Then, turn off all attached devices and the computer.
2. Disconnect all power cords from electrical outlets.
Chapter 9
.
Replacing FRUs (machine types: 2697, 2698, 2742, 2750, 2935, 2943, 2960, 2967, 2986, 2992, 2994, 2999, 3182,
3184, 3186, 3190, 3201, 3204, 3208, 3212, 3217, 3220, 3226, 3228, 3302, 3391, and 3392)
149