User manual
Table Of Contents
- DOCUMENTATION SURVEY
- Notice
- CONTENTS
- USING THIS GUIDE
- GETTING STARTED
- TAKING A LOOK AT THE COMPUTER
- USING THE KEYBOARD AND POINTING DEVICE
- USING BATTERY PACKS
- COMPUTER POWER AND POWER MANAGEMENT
- WORKING WITH REMOVABLE DRIVES AND DEVICE BAYS
- USING THE MOBILE 3500 EXPANSION UNIT
- CONNECTING EXTERNAL DEVICES
- USING PC CARDS
- USING AUDIO FEATURES
- UPGRADING THE COMPUTER
- MAINTENANCE AND TRAVEL GUIDELINES
- SECURITY FEATURES
- INTELLIGENT MANAGEABILITY
- DIAGNOSTICS UTILITIES
- TROUBLESHOOTING
- COMPAQ CUSTOMER SUPPORT
- REGULATORY NOTICES
- ELECTROSTATIC DISCHARGE
- SPECIFICATIONS
- INDEX

Troubleshooting 16-11
Writer: Lorise Fazio Saved by: J Abercrombie Saved date: 12/08/98 4:55 PM
Part Number: 310296-002 File name: Ch16.doc
Solving Keyboard Problems
Problem Possible Cause Solution
Embedded numeric
keypad is disabled
Num Lock function
is off.
Press
Fn+Num Lk
to enable
the embedded numeric
keypad.
Screen is on and
keyboard is locked
You initiated
QuickLock.
Enter your power-on
password to exit
QuickLock.
External keyboard
does not work
You connected the
external keyboard
while the computer
was still turned on.
Turn off the computer,
reconnect the external
keyboard, then turn on the
computer.
Solving Memory Problems
Problem Possible Cause Solution
Memory counting
during Power-On
Self-Test (POST) is
incorrect
Memory board is
installed incorrectly.
Ensure that the memory
board is installed correctly.
Insufficient memory
error during
operation
Too many terminate-
and-stay resident
(TSR) applications
are running
simultaneously.
Close any TSR
applications that you
do not need.
System ran out of
memory for the
application.
Check the documentation
that came with the
application for memory
requirements and add
more memory to the
computer, if needed.