Toshiba 8000 Tecra 8000 Users Guide - Page 146

122 Troubleshooting Guide Fixing device-related problems Display problems The screen is blank. Display Auto Off may have taken effect. Press any key to reactivate the screen. You may have activated the instant security feature by pressing Fn and F1 simultaneously. Enter your user-level password if you have registered one, or press Enter to return to work. If you are using the built-in screen, try changing the display priority to make sure it is not set for an external monitor. To do this, press Fn and F5 simultaneously. If you are using an external monitor: ❖ Check that the monitor is turned on. ❖ Check that the monitor's power cable is firmly plugged into a working power outlet. ❖ Check that the cable connecting the external monitor to the computer is firmly attached. ❖ Try adjusting the contrast and brightness controls on the external monitor. ❖ Press Fn and F5 simultaneously to make sure that the display priority is not set for the built-in LCD screen. The built-in screen flickers. Some flickering is a normal result of the way the screen produces colors. To reduce the amount of flickering, try using fewer colors. Windows displays a message that there is a problem with your display settings and that the adapter type is incorrect or the current settings don't work with your hardware. Reduce the size of the color palette to one that is supported by the computer's internal display. Part I: Getting to Know Your Computer