Filter
Top Products
User’s Manual 9-7
L550/L550D/L555/L555D
Real Time Clock
Password
Keyboard
Keyboard problems can be caused by the setup and configuration of the
computer - please refer to Chapter 5, The Keyboard, for further information.
Internal display panel
Apparent display panel problems may be related to the computer’s setup
and configuration - please refer to Chapter 7, HW Setup and Passwords,
for further information.
Problem Procedure
The following
message is displayed
on the LCD:
RTC battery is low or
CMOS checksum is
inconsistent. Press
[F2] key to set Date/
Time.
The RTC battery charge has become exhausted,
you should set the date and time in within the
BIOS setup screen through the following steps:
1. Press [F2] key. BIOS setup will boot up.
2. Press [F5]/[F6] to set the date in [System
Date].
3. Press [F5]/[F6] to set the time in [System
Time].
Problem Procedure
Cannot enter
password
Please refer to the TOSHIBA Password Utility
section in Chapter 6, Power and Power-up
Modes, for further information.
Problem Procedure
Output to screen is
garbled
Please refer to your software’s documentation to
ensure that its is not remapping the keyboard in
any way (remapping involves changing or
reassigning the function of each key).
If you are still unable to use the keyboard, you
should contact your reseller, dealer or service
provider.
Problem Procedure
No display Press the FN + F5 hot keys to adjust the display
priority, and to make sure it is not set for output to
an external monitor.