HP Armada 4100 Armada 4100 and 4200 Families of Personal Computers Maintenance - Page 51

Solving Keyboard/Numeric Keypad Problems, Solving Pointing Device Problems, Table 2-22 - drivers

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Solving Keyboard/Numeric Keypad Problems Some common causes and solutions for keyboard/numeric keypad problems are listed in the following table. Table 2-22 Solving Keyboard/Numeric Keypad Problems Problem Probable Cause Solution(s) Embedded numeric keypad on computer keyboard is disabled. Num Lock function is not enabled. Press the Fn+NumLk keys to enable the Num Lock function and embedded numeric keypad. The Num Lock icon on the status panel turns on. Keyboard is locked. QuickLock initiated. Enter the password to exit QuickLock. Solving Pointing Device Problems Some common causes and solutions for pointing device problems are listed in the following table. Table 2-23 Solving Pointing Device Problems Problem Cause Solution(s) External pointing device does Incorrect device driver or no Install the device driver. not work. device driver is installed. The device driver is not installed in Windows. Install the device driver in Windows. Integrated pointing device does not work. An external pointing device is connected and the system has disabled the internal pointing device. Initiate Suspend and disconnect the external pointing device. Troubleshooting 2-23

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Troubleshooting
2-23
Solving Keyboard/Numeric Keypad Problems
Some common causes and solutions for keyboard/numeric keypad problems are listed
in the following table.
Table 2-22
Solving Keyboard/Numeric Keypad Problems
Problem
Probable Cause
Solution(s)
Embedded numeric keypad
on computer keyboard is
disabled.
Num Lock function is not
enabled.
Press the
Fn
+
NumLk
keys to enable the
Num Lock function and embedded numeric
keypad. The Num Lock icon on the status
panel turns on.
Keyboard is locked.
QuickLock initiated.
Enter the password to exit QuickLock.
Solving Pointing Device Problems
Some common causes and solutions for pointing device problems are listed in the
following table.
Table 2-23
Solving Pointing Device Problems
Problem
Cause
Solution(s)
External pointing device does
not work.
Incorrect device driver or no
device driver is installed.
Install the device driver.
The device driver is not
installed in Windows.
Install the device driver in Windows.
Integrated pointing device
does not work.
An external pointing device
is connected and the system
has disabled the internal
pointing device.
Initiate Suspend and disconnect the external
pointing device.