Lenovo ThinkPad T420si Hardware Maintenance Manual page 109

Removal steps of LCD panel
Attention: Unplug the LCD cable by holding the left and right edges of the connector with your fingers,
and gently pull the connector toward you. Do not unplug the cable by pulling it. Applying tension to the
cable could cause the cable to be damaged or a wire to be broken.
When installing:
• Place the LCD panel on a soft and clean sheet spread on a flat table, and plug the cable by pushing the
left and right edges of the connector with your fingers.
• Do not lift the LCD panel.
• Do not plug the cable with one hand.
Step Screw (quantity)
1
M2 × 3 mm, small-head, nylon-coated (4)
Color Torque
0.181 Nm
Silver
(1.85 kgfcm)
.
Chapter 8 Removing and replacing a FRU
103