Panasonic Toughbook 31 Operating Instructions - Page 25
Display - gps
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Display No display. The screen is dark. The screen does not become bright even if pressing Fn + F2. The screen is disordered. During Simultaneous display, one of the screens becomes disordered. The external display does not work normally. The cursor cannot be controlled properly. The external display is selected. Press Fn + F3 or + P to switch the display. Wait until the display has been switched completely before pressing Fn + F3 or + P 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 or hibernation 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. Press Fn + F8 to turn off the concealed mode. The brightness is set low to avoid malfunction where surrounding temperature is high. Use it in an environment of between -10 °C and 50 °C {14 °F to 122 °F}. 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. When using the Extended Desktop, use the same display colors for the external display as those used by the LCD. If you continue to experience problems, try changing the display. Click (Start) - [All Programs] - [Panasonic] - [Display Selector]. Simultaneous display cannot be used until Windows startup is complete (during Setup Utility, etc.). If the external display does not support the power saving function, it may not work normally when the computer enters the power saving mode. Turn off the external display. Operate the following steps. A Restart the computer and press F2 or Del while [Panasonic] boot screen is dis- played. B Set [GPS] to [Disable] in the sub-menu of [Serial and Parallel Port Settings] in the [Advanced] menu of the Setup Utility. C Press F10 and select [Yes] at the confirmation message, and press Enter. The computer will restart. D Log on to Windows as an administrator. E Click (Start) and input "c:\util\drivers\gps\GPS.reg" in [Search programs and files], and press Enter. F Click [Yes], click [Yes], and click [OK]. Then restart the computer. G Press F2 while [Panasonic] boot screen is displayed. H Set [GPS] to [Enable] in the sub-menu of [Serial and Parallel Port Settings] in the [Advanced] menu. I Press F10 and select [Yes] at the confirmation message, and press Enter. Troubleshooting 25