Panasonic CF-74 appendix Troubleshooting Basic, Shutting down, Display

Cannot resume.

z An error may occur when the computer automatically enters the standby or hibernation

mode while the screensaver is active. In this case, turn off the screensaver or change

the pattern of the screensaver.

Other startup problems.

z Press

in the Setup Utility (Î page 22 “To start the Setup Utility”) to return the Setup

F9

Utility settings (excluding the passwords) to the default values. Start the Setup Utility and

make the settings again.

z Remove all peripheral devices.

z Check to see if there was a disk error.

A Click [start] - [My Computer] and right-click [Local Disk(C:)], and click [Properties].

B Click [Tools] - [Check Now].

C Select the option in [Check disk options] and click [Start].

z Start the computer in Safe Mode and check the error details. When the [Panasonic] boot

screen disappears*1 at startup, press and hold

until the Windows Advanced Options

F8

Menu is displayed.

*1 When [Password on boot] is set to [Enable] 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.

„

Shutting down

Windows does not shut

z Remove the USB device and the ExpressCard.

down.

z Wait one or two minutes. It is not a malfunction.

„

Display

No display.

z The external display is selected. Press

+

to switch the display. Wait until the dis-

Fn

F3

play has been switched completely before pressing Fn +

F3

again.

z When using an external display,

•

Check the cable connection.

•

Turn on the display.

•

Check the settings of external display.

z 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.

z The computer entered standby or hibernation by the power-saving function. To resume,

press the power button.

The screen is dark.

z The screen is darker when the AC adapter is not connected. Press

+

and adjust

Fn

F2

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.

The LCD brightness changes

z Intel(R) Display Power Saving Technology is active and automatically changes the LCD

a number of times when the

brightness. This is not a malfunction.

AC adaptor is disconnected.

Image colors are not repro-

z Remove the check mark of [Intel(R) Display Power Saving Technology].

duced as expected when

A Select [start] - [Control Panel] - [Other Control Panel Options] - [Intel(R) GMA Driver

displaying photographs or

for Mobile].

other images.

B Select [Display Settings] - [Power Settings].

The screen is disordered.

z Changing the number of display colors and resolution may affect the screen. Restart the

computer.

z Connecting/disconnecting an external display may affect the screen. Restart the com-

puter.

z When using Simultaneous display, set the same display colors for the external display as

those for the LCD.

z When using Simultaneous display, do not press

Fn

+

F3

.

z Enable or disable Simultaneous display, and soon restart the computer.