Solving Keyboard Problems; Solving Modem Problems - Compaq Prosignia 190 Maintenance And Service Manual

INDEX PAGE
REMOVAL & REPLACEMENT
Click on a link below for Troubleshooting information on:
>Audio
>Battery
>CD/DVD drive
>Diskette/LS 120
>Hard Drive
>Infrared
Problem
Screen is blank and
keyboard is working.
Problem
Modem loses
connection.
MAINTENANCE & SERVICE GUIDE
P
ROSIGNIA
PRODUCT DESCRIPTION
ILLUSTRATED PARTS CATALOG
Troubleshooting
Without Diagnostics: Solving Minor Problems
>Keyboard
>Modem
>PC Card
>Power
>Screen
>USB

Solving Keyboard Problems

Possible Cause
A screen timeout has
been initiated.
QuickLock/QuickBlank
has been initiated
LCD has been
disabled.
Embedded numeric
keypad on computer
keyboard is disabled.
Num Lock function is
not turned on

Solving Modem Problems

Possible Cause
The cable connection
from the phone line to
the modem is loose.
N 190
OTEBOOK
LEGAL NOTICE
TROUBLESHOOTING
Press any key to refresh the
screen.
To enable the keyboard and
return your information to
the screen, enter your
power-on password.
Press Fn+F4 to cycle from
external monitor to internal
LCD.
Press Fn+Num Lk to enable
the Num Lock function and
embedded numeric keypad.
Return to the top.
Check to make sure the
telephone cable is properly
connected.
HOW TO USE THIS GUIDE
SPECIFICATIONS
Solution
Solution