Electrical Current Safety Information; Lithium Battery Notice - Lenovo ThinkCentre A57e Safety And Warranty Manual

Electrical current safety information

DANGER
Electrical current from power, telephone, and communication cables is
hazardous.
To avoid a shock hazard:
v To prevent possible shock hazard, do not use your computer during a
lightning storm.
v Do not connect or disconnect any cables or perform installation,
maintenance, or reconfiguration of this product during an electrical storm.
v Connect all power cords to a properly wired and grounded electrical
outlet.
v Connect to properly wired outlets any equipment that will be attached to
this product.
v When possible, use one hand only to connect or disconnect signal cables.
v Never turn on any equipment when there is evidence of fire, water, or
structural damage.
v Disconnect the attached power cords, telecommunications systems,
networks, and modems before you open the device covers, unless
instructed otherwise in the installation and configuration procedures.
v Connect and disconnect cables as described in the following table when
installing, moving, or opening covers on this product or attached devices.
To connect:
1. Turn everything OFF.
2. First, attach all cables to devices.
3. Attach signal cables to connectors.
4. Attach power cords to outlet.
5. Turn device ON.

Lithium battery notice

CAUTION
Danger of explosion if battery is incorrectly replaced.
To disconnect:
1. Turn everything OFF.
2. First, remove power cords from outlet.
3. Remove signal cables from connectors.
4. Remove all cables from devices.
Chapter 1. Important safety information
17