Lenovo 3313, 3281, 3280, 3297, 3305, 3296 Replacing the ambient light sensor, Removing the WI-FI card

Models: 3324 3342 3314F2U 3293 3280 3318E8U 3318 3292 3315 3309 3291 3329 3341 3281 3322 3327 3296 3305 3325 3312 3320 3316 3326 3313 3298 3297 3311 M92z 3314 3294

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Figure 39. Removing the WI-FI card

8.Insert the notched end of the new WI-FI card into the mini PCI Express x1 card slot. Press the new WI-FI card firmly and then pivot the WI-FI card to align the screw hole in the new WI-FI card with the one in the system board.

9.Install the screw to secure the new WI-FI card to the system board.

10.Connect the two cables to the new WI-FI card.

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 73.

Replacing the ambient light sensor

Attention:

Do not open your computer or attempt any repair before reading and understanding “Important safety information” on page v.

This section provides instructions on how to replace the ambient light sensor.

Note: The ambient light sensor is available only in some models.

To replace the ambient light sensor, do the following:

1.Remove all media from the drives and turn off all attached devices and the computer. Then, disconnect all power cords from electrical outlets and disconnect all cables that are connected to the computer.

2.Place a soft, clean towel or cloth on the desk or surface. Hold the sides of your computer and gently lay it down so that the screen is against the surface and the cover is facing up.

3.Remove the computer cover. See “Removing the computer cover” on page 41.

4.Locate the ambient light sensor. See “Locating components” on page 13.

Note: You might have to remove the handle bar to access the ambient light sensor. To remove the handle bar, see “Removing and reinstalling the handle bar” on page 43.

62ThinkCentre User Guide

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Lenovo 3313, 3281, 3280, 3297, 3305, 3296, 3298, 3292, 3291, 3294, 3293 Replacing the ambient light sensor, Removing the WI-FI card