Toshiba PLL23U-00U01C User Manual - Page 107

Keyboard, LCD panel, Hard disk drive, The Keyboard, BIOS Setup, and Passwords

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Troubleshooting Keyboard Keyboard problems can be caused by your setup configuration. For more information refer to Chapter 5, The Keyboard and Chapter 7, BIOS Setup and Passwords. Problem Some letter keys produce numbers Output to screen is garbled Procedure Check that the numeric keypad overlay is not selected. Press FN + F11 and try typing again. Make sure the software you are using is not remapping the keyboard. Remapping involves reassigning the meaning of each key. See your software's documentation. If you are still unable to use the keyboard, consult your dealer LCD panel Apparent LCD problems may be related to the computer's setup. Refer to Chapter 7, BIOS Setup and Passwords, for more information. Problem Procedure No display Press hot keys FN + F5 to change the display priority, to make sure it is not set for an external monitor. Markings appear on the LCD screen They might have come from contact with the keyboard or touch pad. Try wiping the LCD gently with a clean dry cloth. If markings remain, use LCD cleaner. Be sure to let the LCD dry before closing it. Problems above Refer to your software's documentation to remain unresolved or determine if the software is causing the difficulty. other problems occur Contact your dealer if the problems continue. Hard disk drive Problem Computer does not boot from hard disk drive Procedure Check if a diskette is in the diskette drive or a CD/DVD is in the optical disc drive. Remove any diskette and/or CD/DVD and check the Boot priority settings. Refer to Chapter 7, Boot Priority section. There may be a problem with your operating system files. Refer to your operating system documentation. User's Manual 9-6

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User’s Manual
9-6
Troubleshooting
Keyboard
Keyboard problems can be caused by your setup configuration. For more
information refer to Chapter 5,
The Keyboard
and Chapter 7,
BIOS Setup
and Passwords
.
LCD panel
Apparent LCD problems may be related to the computer’s setup. Refer to
Chapter 7,
BIOS Setup and Passwords
, for more information.
Hard disk drive
Problem
Procedure
Some letter keys
produce numbers
Check that the numeric keypad overlay is not
selected. Press
FN
+
F11
and try typing again.
Output to screen is
garbled
Make sure the software you are using is not
remapping the keyboard. Remapping involves
reassigning the meaning of each key. See your
software’s documentation.
If you are still unable to use the keyboard,
consult your dealer
Problem
Procedure
No display
Press hot keys
FN
+
F5
to change the display
priority, to make sure it is not set for an external
monitor.
Markings appear on
the LCD screen
They might have come from contact with the
keyboard or touch pad. Try wiping the LCD
gently with a clean dry cloth. If markings remain,
use LCD cleaner. Be sure to let the LCD dry
before closing it.
Problems above
remain unresolved or
other problems occur
Refer to your software’s documentation to
determine if the software is causing the difficulty.
Contact your dealer if the problems continue.
Problem
Procedure
Computer does not
boot from hard disk
drive
Check if a diskette is in the diskette drive or a
CD/DVD is in the optical disc drive. Remove any
diskette and/or CD/DVD and check the Boot
priority settings. Refer to Chapter 7,
Boot Priority
section.
There may be a problem with your operating
system files. Refer to your operating system
documentation.