Lenovo IdeaCentre A720 - Manual (Page 53)

Step 10. Remove the 8 screws that secure the motherboard to the chassis and slide it out as shown.
Step 11. Use a flat head screwdriver as a lever to prise out the battery as shown.
Step 12. To install the new battery:
a. Insert the new battery (CR2032) into the socket with the side labeled “+” facing up, and press
the battery into place.
Step 13. Line up the motherboard with the chassis and slide it into position. Align the holes on the
motherboard with the mounting holes on the chassis and secure it to the chassis with the screws.
Step 14. Reattach the optical drive, heat-sink, and hard disk drive to the motherboard.
Step 15. Reattach the hinge to the chassis, and reconnect the touch and LED panel cables to the
motherboard.
Step 16. Reconnect all the cables back to the motherboard.
Step 17. Reattach the base cover and secure it with the screws.
Removing the hinge from the chassis
Note: Turn off the computer and wait 3 to 5 minutes to let it cool down before removing the cover.
To remove the hinge from the chassis
Chapter 8 . Replacing hardware 47