Toshiba Portege Z930-Landis-PT235U-05U0CWG1 User Guide 2 - Page 127
Keyboard problems, Display problems, You have connected an external keyboard and the operating
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If Something Goes Wrong Keyboard problems 127 For more information on maintaining battery power, see "Changing the main battery" on page 80. Keyboard problems You have connected an external keyboard and the operating system displays one or more keyboard error messages. You may need to update your keyboard driver. Refer to the documentation that came with the keyboard or to the keyboard manufacturer's Web site. The keyboard you connected may be defective or incompatible with the computer. Try using a different make of keyboard. Display problems Here are some typical display problems and their solutions: The screen is blank. Display Auto Off may have gone into effect. Press any key to activate the screen. If you are using the built-in screen, make sure the display priority is not set for an external monitor. To do this, press Fn+F5. If this does not correct the problem, press Fn+F5 again to return the display priority to its previous setting. HINT: Pressing the Fn+F5 key combination several times will advance through the display options. If you are using an external monitor: ❖ Check that the monitor is turned on. ❖ Check that the monitor's power cord/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+F5 to make sure the display priority is not set for the built-in screen.