Lenovo Secure Managed Client - Manual (Page 35)

DANGER
Batteries can explode if incorrectly replaced. Replace only with the same or
equivalent type recommended by the equipment manufacturer. Discard used
batteries according to manufacturer’s instructions.
1.
Observe all safety and ESD precautions in the Safety and Warranty Guide.
2.
Turn off all peripheral devices connected to the storage system. Turn off the
storage system.
3.
Disconnect the AC power cord(s).
4.
Remove the enclosure cover. For instructions, see “Removing the enclosure
cover” on page 6.
5.
Remove the processor air duct. For instructions, see “Removing the processor
air duct” on page 8.
6.
Locate the CMOS battery.
7.
Use a finger to pull the lever away from the top of the battery until it clears
the battery. Use caution so you do not bend the lever. Lift the battery from the
socket.
8.
Dispose of the battery according to local ordinance.
9.
Remove the new battery from its package.
10.
Being careful to observe the correct polarity, insert the replacement battery
into the battery socket. The “+” side of the battery must face the lever side of
the battery socket, toward the add-in card slots.
11.
Re-install the processor air duct. For instructions, see “Installing the processor
air duct” on page 9.
12.
Re-install the enclosure cover. For instructions, see “Installing the enclosure
cover” on page 7.
13.
Reconnect all peripheral devices and the AC power cord(s). Power up the
storage system.
Figure 27. Locating and removing the CMOS battery
Chapter 3. Hardware installations and upgrades 27