Lenovo ThinkPad X121e (English) User Guide - Page 91

Replacing devices, Static electricity prevention, Replacing the battery

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Chapter 6. Replacing devices This chapter provides information on the following topics: • "Static electricity prevention" on page 75 • "Replacing the battery" on page 75 • "Replacing the solid state drive or hard disk drive" on page 77 • "Replacing a memory module" on page 80 • "Replacing the keyboard" on page 83 • "Installing and replacing the PCI Express Mini Card for wireless LAN/WiMAX connection" on page 87 • "Installing and replacing the PCI Express Mini Card for wireless WAN connection" on page 91 • "Replacing the SIM card" on page 94 • "Replacing the backup battery" on page 96 Static electricity prevention Static electricity, although harmless to you, can seriously damage computer components and options. Improper handling of static-sensitive parts can cause damage to the part. When you unpack an option or CRU, do not open the static-protective package containing the part until the instructions direct you to install it. When you handle options or CRUs, or perform any work inside the computer, take the following precautions to avoid static-electricity damage: • Limit your movement. Movement can cause static electricity to build up around you. • Always handle components carefully. Handle adapters, memory modules, and other circuit boards by the edges. Never touch exposed circuitry. • Prevent others from touching components. • When you install a static-sensitive option or CRU, touch the static-protective package containing the part to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two seconds. This reduces static electricity in the package and your body. • When possible, remove the static-sensitive part from the static-protective packaging and install the part without setting it down. When this is not possible, place the static-protective packaging on a smooth, level surface and place the part on it. • Do not place the part on the computer cover or other metal surface. Replacing the battery Before you start, print these instructions. This system does not support batteries that are not genuine Lenovo-made or authorized. These systems will continue to boot, but may not charge unauthorized batteries. Attention: Lenovo has no responsibility for the performance or safety of unauthorized batteries, and provides no warranties for failures or damage arising out of their use. To replace the battery with a new one, read the following prerequisites. © Copyright Lenovo 2011 75

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Chapter 6.
Replacing devices
This chapter provides information on the following topics:
•
“Static electricity prevention” on page 75
•
“Replacing the battery” on page 75
•
“Replacing the solid state drive or hard disk drive” on page 77
•
“Replacing a memory module” on page 80
•
“Replacing the keyboard” on page 83
•
“Installing and replacing the PCI Express Mini Card for wireless LAN/WiMAX connection” on page 87
•
“Installing and replacing the PCI Express Mini Card for wireless WAN connection” on page 91
•
“Replacing the SIM card” on page 94
•
“Replacing the backup battery” on page 96
Static electricity prevention
Static electricity, although harmless to you, can seriously damage computer components and options.
Improper handling of static-sensitive parts can cause damage to the part. When you unpack an option
or CRU, do not open the static-protective package containing the part until the instructions direct you
to install it.
When you handle options or CRUs, or perform any work inside the computer, take the following precautions
to avoid static-electricity damage:
•
Limit your movement. Movement can cause static electricity to build up around you.
•
Always handle components carefully. Handle adapters, memory modules, and other circuit boards by the
edges. Never touch exposed circuitry.
•
Prevent others from touching components.
•
When you install a static-sensitive option or CRU, touch the static-protective package containing the
part to a metal expansion-slot cover or other unpainted metal surface on the computer for at least two
seconds. This reduces static electricity in the package and your body.
•
When possible, remove the static-sensitive part from the static-protective packaging and install the part
without setting it down. When this is not possible, place the static-protective packaging on a smooth,
level surface and place the part on it.
•
Do not place the part on the computer cover or other metal surface.
Replacing the battery
Before you start, print these instructions.
This system does not support batteries that are not genuine Lenovo-made or authorized. These systems will
continue to boot, but may not charge unauthorized batteries.
Attention:
Lenovo has no responsibility for the performance or safety of unauthorized batteries, and
provides no warranties for failures or damage arising out of their use.
To replace the battery with a new one, read the following prerequisites.
© Copyright Lenovo 2011
75