Lenovo IdeaCentre A520 All-in-One User Manual
Page 48
Step 18. Use a flat head screwdriver as a lever to prise out the battery gently as shown.
Step 19. To install the new motherboard:
a.
Insert the battery (CR2032) into the socket with the side labeled “+” facing up, and press
the battery into place.
b.
Insert the notched end of the TV-Tuner card into the card port on the new motherboard and
secure it with the 2 screws.
c.
Connect the antenna cable(s) to the TV-Tuner card.
d.
Line up the new motherboard with the chassis and slide it into position. Align the holes on
the new motherboard with the mounting holes on the chassis and secure it to the chassis
with the screws.
e.
Attach the speakers to the chassis with the screws.
f.
Attach the solid state disk, optical drive, CPU, heat-sink, system fan, memory module, and
hard disk drive to the new motherboard.
g.
Connect all the cables to the new motherboard.
Step 20. Reattach the base cover and secure it with the screws.
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IdeaCentre A520 All-In-One PCHardware Maintenance Manual