User's Guide

Contents
Chapter 1. Important safety
information . . . . . . . . . . . . . . . . 1
Safety notices . . . . . . . . . . . . . . . . 1
Important information about using your computer
(for notebook computers) . . . . . . . . . . . . 1
Conditions that require immediate action . . . . . . 3
Service and upgrades . . . . . . . . . . . . . 4
Power cord notice (for desktop computers and
workstations) . . . . . . . . . . . . . . . . . 5
Power cords and power adapters . . . . . . . . . 6
Extension cords and related devices. . . . . . . . 6
Plugs and outlets . . . . . . . . . . . . . . . 7
Power supply statement . . . . . . . . . . . . 7
External devices . . . . . . . . . . . . . . . 7
General battery notice (for notebook computers
and tablets) . . . . . . . . . . . . . . . . . 8
Notice for removable rechargeable battery (for
selected notebook computers) . . . . . . . . . . 8
Notice for built-in rechargeable battery (for
selected notebook computers and tablets) . . . . . 9
Lithium coin-cell battery notice (for selected
models) . . . . . . . . . . . . . . . . . . . 9
Heat and product ventilation (for desktop
computers and workstations) . . . . . . . . . 10
Heat and product ventilation (for notebook
computers and tablets) . . . . . . . . . . . . 11
Electrical current safety information . . . . . . . 12
Laser safety information (for selected models) . . . 13
Liquid crystal display (LCD) notice (for desktop
computers and workstations) . . . . . . . . . 13
Liquid crystal display (LCD) notice (for notebook
computers and tablets) . . . . . . . . . . . . 13
Use earphones, headphones, or a headset . . . . 14
Choking hazard notice . . . . . . . . . . . . 14
Plastic bag notice . . . . . . . . . . . . . . 15
Glass parts notice . . . . . . . . . . . . . . 15
Computer placement notices . . . . . . . . . 15
Hazardous energy statement (for desktop
computers and workstations) . . . . . . . . . 15
Tip-over hazard prevention notice (for desktop
computers and workstations) . . . . . . . . . 16
Static electricity prevention . . . . . . . . . . 16
Cleaning and maintenance (for desktop computers
and workstations) . . . . . . . . . . . . . . 16
Cleaning and maintenance (for notebook
computers and tablets) . . . . . . . . . . . . 18
Chapter 2. Compliance
information . . . . . . . . . . . . . . . 21
Radio frequency compliance statements . . . . . 21
Wireless-related information . . . . . . . . 21
European Union (EU) / United Kingdom (UK)
— Radio Equipment Compliance . . . . . . 22
Brazil . . . . . . . . . . . . . . . . . 22
Mexico . . . . . . . . . . . . . . . . 22
Singapore . . . . . . . . . . . . . . . 22
Electromagnetic emission notices. . . . . . . . 23
Federal Communications Commission (FCC)
Supplier’s Declaration of Conformity . . . . . 23
Industry Canada compliance statement . . . 23
European Union (EU) / United Kingdom (UK)
— Electromagnetic Compatibility
Compliance . . . . . . . . . . . . . . 23
German Class B compliance statement. . . . 24
Japan VCCI Class B compliance statement . . 24
Japan compliance statement for products
which connect to the power mains with rated
current less than or equal to 20 A per phase . . 24
Japan notice for ac power cord . . . . . . . 24
Environmental information. . . . . . . . . . . 24
Recycling and environmental information . . . 24
Important battery recycling and WEEE
information . . . . . . . . . . . . . . . 25
EU ErP (EcoDesign) Directive (2009/125/EC) -
external power adapters (Regulation (EU)
2019/1782), Ecodesign for Energy-Related
Products Regulations 2010 - UK SI 2010 No.
2617 (Ext PSU), SI 2020 No. 485 (Ntwk
Standby), SI 2014 No. 1290 as amended . . . 26
Japan recycling statements . . . . . . . . 26
Recycling information for Brazil . . . . . . . 27
Recycling information for mainland China . . . 27
Battery recycling information for Taiwan . . . 27
Battery recycling information for the United
States and Canada (for selected models) . . . 28
Restriction of Hazardous Substances (RoHS)
Directive of countries and regions . . . . . . 28
ENERGY STAR model information. . . . . . 34
Other compliance information . . . . . . . . . 34
Eye comfort (for desktop computers and
workstations) . . . . . . . . . . . . . . 34
Remote control (for selected desktop
computers and workstations). . . . . . . . 34
Export classification notice . . . . . . . . 34
Lenovo product service information for
Taiwan . . . . . . . . . . . . . . . . 34
Taiwan precautionary vision statement . . . . 34
Keyboard and mouse compliance statement
for Taiwan (for desktop computers and
workstations) . . . . . . . . . . . . . . 35
Supplemental information for the Eurasian
Union (for selected models) . . . . . . . . 35
Brazil audio notice . . . . . . . . . . . . 35
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