Lenovo B540 Lenovo IdeaCentre B540-B540P Hardware Maintenance Manual - Page 46

Replacing the Bluetooth module

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Step 8. Remove the 2 screws that secure the camera to the front bezel. Step 9. Disconnect the data cable from the camera. Step 10. To install the new camera: a. Connect the data cable to the new camera. b. Line up the new camera holes with the mounting holes on the front bezel and secure it with the 2 screws. Step 11. Reattach the middle cover, optical drive, computer stand and the rear cover. Replacing the Bluetooth module Attention: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover. Note: It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches or other damage. To replace the Bluetooth module: Step 1. Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating system, and turn off the computer and all attached devices. Step 2. Unplug all power cords from electrical outlets. 40 IdeaCentre B540-B540PHardware Maintenance Manual

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Step 8.
Remove the 2 screws that secure the camera to the front bezel.
Step 9.
Disconnect the data cable from the camera.
Step 10. To install the new camera:
a.
Connect the data cable to the new camera.
b.
Line up the new camera holes with the mounting holes on the front bezel and secure it with the
2 screws.
Step 11. Reattach the middle cover, optical drive, computer stand and the rear cover.
Replacing the Bluetooth module
Attention:
Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
Note:
It may be helpful to place the computer face-down on a soft flat surface for this procedure. Lenovo
recommends that you use a blanket, towel, or other soft cloth to protect the computer screen from scratches
or other damage.
To replace the Bluetooth module:
Step 1.
Remove any media (disks, CDs, DVDs, or memory cards) from the drives, shut down the operating
system, and turn off the computer and all attached devices.
Step 2.
Unplug all power cords from electrical outlets.
40
IdeaCentre B540–B540PHardware Maintenance Manual