Lenovo IdeaCentre B350 All-in-One - Manual (Page 54)

Step 9. Remove the 2 screws that secure the camera to the front bezel.
Step 10. Disconnect the data cable from the camera.
Step 11. 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 12. Reattach the rear deco, middle cover, optical drive, computer stand and the rear cover.
Replacing the motherboard
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
To replace the motherboard:
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.
Step 3. Disconnect all cables attached to the computer. This includes power cords, input/output (I/O)
cables, and any other cables that are connected to the computer. Refer to “Left and right view”
and “Rear view” for help with locating the various connectors.
Step 4. Remove the rear cover. Refer to “Removing the rear cover”.
Step 5. Remove the computer stand. Refer to “Removing the computer stand”.
Step 6. Remove the memory modules. Refer to “Replacing a memory module”.
Step 7. Remove the optical drive. Refer to “Replacing the optical drive”.
Step 8. Remove the middle cover. Refer to “Removing the middle cover”.
Step 9. Remove the EMI cover. Refer to “Removing the EMI cover”.
Step 10. Remove the system fans. Refer to “Replacing the system fans”.
Step 11. Remove the heat-sink. Refer to “Replacing the heat-sink”.
Step 12. Remove the CPU. Refer to “Replacing the CPU”.
Step 13. Remove the TV scalar board. Refer to “Replacing the TV scalar board”.
Step 14. Remove the Wi-Fi card. Refer to “Replacing the Wi-Fi card”.
Step 15. Remove the TV tuner card. Refer to “Replacing the TV tuner card”.
Step 16. Remove the TV antenna connector as shown.
48 IdeaCentre B350–B355Hardware Maintenance Manual