• “1030 Bottom slot cover” on page 46
• “1090 Keyboard” on page 54
• “1100 Keyboard bezel” on page 57
Removal steps of power board
Remove the screw 1 and then remove the power board 2 .
2
2
1
Step Screw (quantity) Color
Torque
1
M2 × 3 mm, at-head, nylon-coated (1)
Black
1.85 kgfcm
1120 Backup battery
For access, remove these FRUs in order:
• “1010 Battery pack” on page 44
• “1020 Optical drive” on page 44
• “1030 Bottom slot cover” on page 46
• “1090 Keyboard” on page 54
• “1100 Keyboard bezel” on page 57
Removal steps of backup battery
DANGER
60 Hardware Maintenance Manual