Panasonic Toughbook CF-52AJC15AM Operating Instructions Manual page 23

Starting Up
Other startup problems.
Entering Password
On the [Enter Password]
screen, a beep sounds and
the password cannot be
entered.
Even after entering the
password, [Type your pass-
word] is displayed again.
Shutting down
Windows does not shut
down.
Display
No display.
The screen is dark.
The screen is disordered.
<Only for model with Mobile
®
Intel GM45 Express Chipsets>
Press F9 in the Setup Utility (
Setup Utility settings (excluding the passwords) to the default values. Start the
Setup Utility and make the settings again.
Remove all peripheral devices.
Check to see if there was a disk error.
A Remove all peripheral devices including an external display.
B Click (Start) - [Computer] and right-click [Local Disk (C:)], and click [Properties].
C Click [Tools] - [Check Now...].
• A standard user needs to enter an administrator password.
D Select the option in [Check disk options] and click [Start].
E Click [Schedule disk check] and restart the computer.
A Click [start] - [My Computer] and right-click [Local Disk(C:)], and click [Proper-
ties].
B Click [Tools] - [Check Now].
C Select the option in [Check disk options] and click [Start].
Start the computer in Safe Mode and check the error details. When the [Panasonic]
boot screen disappears
Options Menu is displayed. Select the Safe Mode and press Enter.
*1
When [Password on boot] is set to [Enabled] in the [Security] menu of the Setup
Utility, [Enter Password] appears after the [Panasonic] boot screen disappears. As
soon as you enter the password and press Enter, press and hold F8.
The computer may be in ten-key mode.
If the NumLk indicator
input.
The computer may be in ten-key mode.
If the NumLk indicator
input.
The computer may be in Caps Lock mode.
If the Caps Lock indicator
mode, and then input.
Remove the USB device and the ExpressCard.
Wait one or two minutes. It is not a malfunction.
The external display is selected. Press Fn + F3 to switch the display. Wait until the
display has been switched completely before pressing Fn + F3 again.
When using an external display,
• Check the cable connection.
• Turn on the display.
• Check the settings of external display.
The display is turned off by the power-saving function. To resume, do not press the
direct selection keys, but press any other key like Ctrl.
The computer entered sleep (
by the power-saving function. To resume, press the power switch.
The screen is darker when the AC adaptor is not connected. Press Fn + F2 and adjust the brightness.
As you increase the brightness, battery consumption increases.
You can separately set the brightness for when the AC adaptor is connected and when not connected.
Changing the number of display colors and resolution may affect the screen. Restart
the computer.
Connecting/disconnecting an external display may affect the screen. Restart the computer.
Reference Manual "Setup Utility") to return the
*1
at startup, press and hold F8 until the Windows Advanced
NumLk to disable the ten-key mode, and then
lights, press
NumLk to disable the ten-key mode, and then
lights, press
Caps Lock to disable the Caps Lock
lights, press
) /standby ( ) or hibernation
23