Lenovo 4242X04 Laptop User Manual


 
Removal steps of Bluetooth daughter card
2
1
Step Screw (quantity) Color
Torque
1
M2 × 3 mm, wafer-head, nylon-coated (1) Silver
0.181 Nm
(1.85 kgf-cm)
When installing: Make sure that the connector is attached rmly.
1120 Backup battery
For access, remove these FRUs in order:
“1010 Battery pack” on page 66
“1030 DIMM slot cover” on page 68
“1060 Keyboard” on page 72
“1100 Keyboard bezel assembly” on page 82
Removal steps of backup battery
DANGER
Use only the battery specied in the parts list for your computer. Any other battery could ignite
or explode.
Chapter 9. Removing and replacing a FRU 85