Lenovo T420 - Manual (Page 79)

1080 Keyboard
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 63
• “1050 DIMM slot cover” on page 69
Removal steps of keyboard
1
Step Screw (quantity) Color Torque
1 M2 × 10 mm, wafer-head, nylon-coated (1) Silver 0.181 Nm
(1.85 kgfcm)
Push down the keyboard a little and slide it toward the arrow 2 to detach the front edge of the keyboard
from the frame.
2
Chapter 8 . Removing and replacing a FRU 73