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Troubleshooting Your Computer 3-3
•
The secondary battery or any other optional device
installed in the options bay
Figure 3-3. Checking an Optional Device
•
Cables that connect external devices through the I/O
panel on the back of the computer.
Figure 3-4. I/O Panel Connectors for
External Devices
L
ook and Listen
Looking at and listening to your computer is important in
determining the source of a problem. Look and listen for
the indications described in Table 3-1.
If the problem is still not resolved, see the next sub-
section, “Setup Options.”
NOTE: Before you begin any of the troubleshooting pro-
cedures, make sure the Quiet Boot option is set to
Disabled in the Main menu of the Setup program. See
Chapter 2, “Customizing System Features,” for informa-
tion on using the Setup program.
options bay release battery
docking
connector
parallel port
serial port
keyboard/mouse
connector
monitor
connector
USB
connector
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