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Solving Infrared Problems
Problem
Data transmission
problem.
Infrared port on
computer does not
work when
computer is docked.
Infrared ports on the
docked computer
and the expansion
base do not work
when optional
external
infrared transceiver
is connected.
12-14 Troubleshooting
Continued
Possible Cause
Interference from
direct sunlight,
energy-saving
fluorescent light, or
flashing
incandescent light.
Interference from
other infrared-
equipped devices.
Dirty infrared lens.
Movement.
Physical obstruction. Remove any objects
When computer is
docked, the infrared
port on the computer
is disabled and the
infrared port on the
expansion base
is enabled.
When an optional
external infrared
transceiver is
connected to the
expansion base, all
infrared ports in the
system are disabled.
Solution
Remove the interfering
light source(s).
Move the infrared ports
closer together.
Keep infrared-equipped
remote control units, such
as wireless headphones,
pointed away from the
ports.
Clean the lens with a lint-
free cloth.
Do not move either unit
during data transmission.
between the two devices
that could be interfering
with the line-of-sight
data transmission.
Use the infrared port on the
expansion base.
To use the infrared port on
the computer, undock
the computer.
To use the infrared port on
the expansion base,
disconnect the optional
external infrared
transceiver.
To use the infrared port on
the computer, undock
the computer.
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