Lenovo IdeaCentre B345 All-in-One - Manual (Page 46)

Step 11. To reinstall the EMI cover:
a. Line up the EMI cover with the mounting holes on the chassis and secure it with the twelve
screws.
b. Line up the rear I/O cover with the mounting holes on the EMI cover, and then secure it with
the pins.
Step 12. Reattach the middle cover, optical drive, computer stand and the rear cover.
Replacing the camera
Note: 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 camera:
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 optical drive. Refer to “Replacing the optical drive”.
Step 7. Remove the middle cover. Refer to “Removing the middle cover”.
Step 8. Remove the two screws that secure the camera to the front bezel.
40 IdeaCentre B345–B545 All-In-OneHardware Maintenance Manual