Lenovo PC 300GL User Guide (including system setup and option in - Page 65

Installing Options

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Chapter 7. Installing Options You can expand the capabilities of your computer by adding memory, drives, or adapters. When adding an option, use these instructions along with the instructions that come with the option. Important: Before you install or remove any option, read the "Safety Information" on page vii. These precautions and guidelines will help you work safely. Attention The presence of 5 V standby power might result in damage to your hardware unless you disconnect the power cord from the wall before opening the computer cover. CAUTION: For your safety and to prevent damage to your computer, always do the following before removing the cover: 1. Shut down all programs as described in your operating system documentation. 2. Turn off the computer and any attached devices, such as printers, monitors, and external drives. Note: Computer users in the United Kingdom who have a modem or fax machine attached to their computer must disconnect the telephone line from the computer before unplugging any power cords (also known as power cables). When the computer is reassembled, users must reconnect the telephone line after plugging in the power cords. 3. Unplug all power cords from electrical outlets. 4. Disconnect all communication cables from external receptacles. 5. Disconnect all cables and power cords from the back of the computer. Note: Do not reconnect any cables or power cords until you reassemble the computer and put the cover back on. © Copyright IBM Corp. 1998 51

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Chapter 7.
Installing Options
You can expand the capabilities of your computer by adding memory,
drives, or adapters.
When adding an option, use these instructions along
with the instructions that come with the option.
Important:
Before you install or remove any option, read the “Safety Information” on
page
vii.
These precautions and guidelines will help you work safely.
Attention
The presence of 5 V standby power might result in damage to your
hardware unless you disconnect the power cord from the wall before
opening the computer cover.
CAUTION:
For your safety and to prevent damage to your computer, always do
the following
before
removing the cover:
1.
Shut down all programs as described in your operating system
documentation.
2.
Turn off the computer and any attached devices, such as printers,
monitors, and external drives.
Note:
Computer users in the United Kingdom who have a modem
or fax machine attached to their computer must disconnect
the telephone line from the computer
before
unplugging any
power cords (also known as power cables).
When the
computer is reassembled, users must reconnect the
telephone line
after
plugging in the power cords.
3.
Unplug all power cords from electrical outlets.
4.
Disconnect all communication cables from external receptacles.
5.
Disconnect all cables and power cords from the back of the
computer.
Note:
Do not reconnect any cables or power cords until you
reassemble the computer and put the cover back on.
Copyright IBM Corp. 1998
51