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DANGER
Only recharge the battery pack strictly according to instructions included in the product
documentation.
DANGER
Do not put the battery pack in trash that is disposed of in landlls. When disposing of the battery,
comply with local ordinances or regulations and your company's safety standards.
DANGER
There is a danger of an explosion if the backup battery is incorrectly placed. The lithium battery
contains lithium and can explode if it is not properly handled, or disposed of. Replace only with a
battery of the same type. To avoid possible injury or death, do not: (1) throw or immerse into water,
(2) allow it to heat to more than 100°C (212°F), or (3) attempt to repair or disassemble it. Dispose of
it as required by local ordinances or regulations and your company's safety standards.
Connecting to the network
Your computer has one or more network cards for connecting to the Internet and to your company's wired
LAN or wireless LAN network.
Note: Some models come with a built-in wireless WAN card enabling you to establish wireless connections
over remote public or private networks.
The Access Connections program is a connectivity assistant program for creating and managing location
proles. Each location prole stores all the network and Internet conguration settings needed for connecting
to a network infrastructure from a specic location such as a home or an ofce.
Ethernet connections
You can connect to your network or a broadband connection, such as DSL or CATV, by use of the Ethernet
feature built into your computer. This feature enables you to do 1Gbps half or full duplex data transmission.
If your are using the Windows 7 operating system, the Access Connections program also enables you to
manage your location proles. For instructions on how to start the Access Connections program, see
“Accessing Lenovo programs on the Windows 7 operating system” on page 15
.
For more information, see the help information system of the program.
DANGER
Your computer has an Ethernet connector. To avoid the risk of electrical shock, do not connect
the telephone cable to the Ethernet connector.
Wireless connections
Wireless communication is the transfer of data without the use of cables but by means of radio waves only.
Chapter 2. Using your computer 35