1070 Backup Battery - Lenovo K4450A Hardware Maintenance Manual

Attention:
• Do not drop the drive or apply any physical shock to it. The drive is sensitive to physical shock. Improper
handling can cause damage and permanent loss of data.
• Before removing the drive, have the user make a backup copy of all the information on it if possible.
• Never remove the drive while the computer is operating or in suspend mode.
Removal steps of the mSATA solid-state drive
1
Remove the screws .
Step Screw (quantity)
1
M2 × 3 mm, flat-head, nylon-coated (2)
Remove the mSATA solid-state drive.

1070 Backup battery

For access, remove these FRUs in order:
• "1010 Battery pack" on page 48
• "1020 Bottom slot cover" on page 48
54
Hardware Maintenance Manual
1
1
Color Torque
Black 0.181 Nm
(1.85 kgf-cm)