Lenovo IdeaCentre B520 - Manual (Page 55)

Chapter 8. Replacing hardware
53
Replacing the touch module
To replace the touch module:
1. Remove the computer cover. Refer to “Removing the computer cover”.
2. Remove the back deco. Refer to “Removing the back deco”.
3. Remove the computer stand. Refer to “Removing the computer stand”.
4. Remove the EMI cover. Refer to “Removing the EMI cover”.
5. Remove the system fan. Refer to “Replacing the system fan “.
6. Remove the 2 screws that secure the touch module to the chassis.
7. Lift up the touch module.
8. Disconnect the 3 cables from the touch module.
9. Connect the 3 cables to the new touch module.
10. Line up the new touch module and secure it using the screws.
11. Reattach the system fan and secure it with 4 screws.
12. Reattach the EMI cover, back deco, the computer cover and computer
stand.