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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.

Back to Troubleshooting Without Diagnostics

 
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