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MAINTENANCE & SERVICE GUIDE
PROSIGNIA NOTEBOOK 190
INDEX PAGE PRODUCT DESCRIPTION LEGAL NOTICE HOW TO USE THIS GUIDE
REMOVAL & REPLACEMENT ILLUSTRATED PARTS CATALOG TROUBLESHOOTING SPECIFICATIONS
Troubleshooting
Without Diagnostics: Solving Minor Problems
Click on a link below for Troubleshooting information on:
>Audio >Keyboard
>Battery >Modem
>CD/DVD drive >PC Card
>Diskette/LS 120 >Power
>Hard Drive >Screen
>Infrared >USB
Solving Keyboard Problems
Problem Possible Cause Solution
Screen is blank and
keyboard is working.
A screen timeout has
been initiated.
Press any key to refresh the
screen.
QuickLock/QuickBlank
has been initiated
To enable the keyboard and
return your information to
the screen, enter your
power-on password.
LCD has been
disabled.
Press Fn+F4 to cycle from
external monitor to internal
LCD.
Embedded numeric
keypad on computer
keyboard is disabled.
Num Lock function is
not turned on
Press Fn+Num Lk to enable
the Num Lock function and
embedded numeric keypad.
Return to the top.
Solving Modem Problems
Problem Possible Cause Solution
Modem loses
connection.
The cable connection
from the phone line to
the modem is loose.
Check to make sure the
telephone cable is properly
connected.