HP Armada 7300 Armada 7300 Family of Personal Computers Reference Guide - Page 130

Solving Keyboard and, Numeric Keypad Problems

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Solving Infrared Problems Continued Problem Possible Cause Solution Cannot transmit data A device was moved. Do not move either (continued) device during data transmission. Direct sunlight, fluorescent light, or flashing incandescent light is close to the infrared connections. Remove the interfering light source(s). Another wireless device is interfering. Keep other infrared and audio remote-control devices, such as wireless headphones, away from the infrared connection. The infrared lens is dirty. Clean the lens with a lintfree cloth. Solving Keyboard and Numeric Keypad Problems Problem Embedded numeric keypad does not work. External keyboard does not work. Keyboard and pointing device are locked. Probable Cause Solution Num Lock function is not enabled. Press Fn+NumLk to enable the embedded numeric keypad (the num lock light turns on). Keyboard may not be securely connected or may be connected to the wrong external connector. Ensure that the external keyboard is securely connected to the external keyboard/mouse connector. You initiated QuickLock. Enter your power-on password to exit QuickLock. NOTE: If num lock is on, hold down the Fn key to type a non-numeric password; press Fn+Shift for uppercase. 17-12 Troubleshooting

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17-12
Troubleshooting
Solving Infrared Problems
Continued
Problem
Possible Cause
Solution
Cannot transmit data
(continued)
A device was moved.
Do not move either
device during data
transmission.
Direct sunlight,
fluorescent light, or
flashing incandescent
light is close to the
infrared connections.
Remove the interfering
light source(s).
Another wireless
device is interfering.
Keep other infrared and
audio remote-control
devices, such as wireless
headphones, away from
the infrared connection.
The infrared lens is
dirty.
Clean the lens with a lint-
free cloth.
Solving Keyboard and
Numeric Keypad Problems
Problem
Probable Cause
Solution
Embedded numeric
keypad does not
work.
Num Lock function is
not enabled.
Press
Fn+NumLk
to
enable the embedded
numeric keypad (the num
lock light turns on).
External keyboard
does not work.
Keyboard may not be
securely connected or
may be connected to
the wrong external
connector.
Ensure that the external
keyboard is securely
connected to the external
keyboard/mouse
connector.
Keyboard and
pointing device are
locked.
You initiated
QuickLock.
Enter your power-on
password to exit
QuickLock.
NOTE:
If num lock is on,
hold down the
Fn
key to
type a non-numeric
password; press
Fn+Shift
for uppercase.