User Guide

6. Install a new M.2 solid-state drive by doing the following:
a. Align the contact edge of the new M.2 solid-state drive with the key in the slot. Then carefully insert
the drive into the slot at an angle of about 20 degrees
1 . Pivot the drive downward 2 . Ensure that the
drive is firmly installed in the slot and cannot be moved easily.
b. Install the screw to secure the M.2 solid-state drive
3 .
7. Reinstall the base cover assembly.
8. Turn the computer over. Connect the ac power adapter and all cables to the computer.
Replacing the coin-cell battery
Before you start, read “Important safety information” on page v and print the following instructions.
DANGER
If the coin-cell battery is incorrectly replaced, there is danger of an explosion. The coin-cell battery
contains a small amount of harmful substance. To avoid possible injury:
• Replace only with a battery of the type recommended by Lenovo.
• Keep the battery away from fire.
• Do not expose it to excessive heat.
• Do not expose it to water or rain.
• Do not short-circuit it.
• Do not drop, crush, puncture the battery, or make it subject to strong forces. Battery abuse or
mishandling can cause the battery to overheat, which can cause gasses or flame to "vent" from
the battery or coin-cell battery.
To replace the coin-cell battery, do the following:
Chapter 8. Replacing devices 97