Solving keyboard problems – Compaq 3500 User Manual

Page 142

Advertising
background image

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.

Advertising