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Chapter 6. Replacing devices
You can increase the capacity of the memory or the hard disk drive by replacing the original, built-in
device with an optional one. Or, if you need to, you can replace the PCI Express Mini Card by following
the procedures in this section.
• Static electricity prevention
• Before replacing CRU
• Replacing the hard disk drive or solid state drive
• Replacing the keyboard
• Replacing memory
• Replacing the PCI Express Mini Card for wireless LAN/WiMAX connection
• Installing and replacing the PCI Express Mini Card for wireless WAN connection
• Installing and replacing the mSATA solid state drive
• Replacing the SIM card
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.
Before replacing CRU
To protect you from the electricity danger, before replacing any CRU, ensure you read this section and
do as following:
1. Turn off your computer and disconnect the ac power adapter and all cables from the computer.
2. Turn on your computer. Press F1 to enter ThinkPad Setup when the ThinkPad logo appears.
3. Select Cong ➙ Power. The submenu will be displayed.
4. Select Disable Built-in Battery.
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