United States January 2, 2003
Maintenance & Service Guide
Presario 1600 Series Portable Computers
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Keyboard Solutions
Solving Minor Problems

Some minor problems and possible solutions are outlined here. If the

problem appears related to a software application, check the documentation

provided with the software.

Solving Keyboard/Numeric Keypad Problems

Some common causes and solutions for keyboard/numeric keypad problems

are listed in the following table.

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 Shift+NumLk keys
to enable the Num Lock
function and embedded
numeric keypad. The Num
Lock icon on the status panel
turns on.
Embedded numeric keypad is
disabled and Num Lock
function is on.
External numeric keypad is
connected to the computer. Disconnect the external
numeric keypad from the
computer.

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