Lenovo T420 - Manual (Page 116)

Step Screw (quantity) Color Torque
1 M2 × 3 mm, wafer-head, nylon-coated (1) Black 0.181 Nm
(1.85 kgfcm)
2
When installing: Make sure that the connector is attached firmly.
1220 mSATA solid state drive
For access, remove these FRUs in order:
•
“1010 Battery pack” on page 63
• “1050 DIMM slot cover” on page 69
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 system is operating or is in suspend mode.
110 ThinkPad T420 and T420i Hardware Maintenance Manual