Toshiba Portege 7140 - Manual (Page 126)

9-8 Troubleshooting User's Manual
Portege 7140CT User's Manual – 7140_UK.doc – ENGLISH – Printed on 20/12/99 as IM_714UK
LCD panel
Apparent LCD problems may be related to the computer’s setup. Refer to
Chapter 7, Setup and Password Security , for more information.
Problem Procedure
Lines appear broken. Check if you are in DOS mode. In DOS, lines
may appear broken, because of the LCD
screen’s high resolution. The Windows display
should appear normal.
No display. Press hotkeys Fn + F5 to change the display
priority, to make sure it is not set for an external
monitor.
Make sure instant security was not activated. Try
entering your password, if you have one
registered. Or, turn the power off and back on to
clear instant security.
Pressing the reset button will also clear instant security. But if the
computer is in Resume mode, your data will not be saved.
Problems above
remain unresolved or
other problems occur
Refer to your software's documentation to
determine if the software is causing the difficulty.
Run the diagnostic test.
Contact your dealer if the problems continue.