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Selecting any other option may prevent such software from displaying images successfully. To change the display colors, follow these steps: 1 Right-click on the desktop and select Screen resolution. 2 Click Advanced settings. 3 Click the Monitor tab. 4 Select True Color (32 bit) under Colors. . Do not change the display resolution or colors while using video/image software or playing DVDs, as it may cause unsuccessful playback/display or unstable system operations. Additionally, it is recommended you disable your screen saver before starting DVD playback. If the screen saver is enabled, it may be activated during DVD playback and prevent the playback from running successfully. Some screen savers have been found to even change the display resolution and colors. . Check the screen refresh rate. If it is not set to 75 Hz or 120 Hz, your computer screen may flicker. In such a case, change the refresh rate to 75 Hz or 120 Hz. For information on how to check and change the refresh rate, see Windows Help and Support. What should I do if videos do not play smoothly? Check the screen refresh rate. If it is set to 75 Hz, videos may not play smoothly. In such a case, change the refresh rate to 120 Hz. For information on how to check and change the refresh rate, see Windows Help and Support. ! Changing the refresh rate to 120 Hz improves video playback performance; however, the LCD brightness of your computer screen decreases. Troubleshooting > Display n154 N What should I do if some items do not fit on the computer screen? Check that the text size is set to 100%. If not, some items, for example a software menu, may not be displayed correctly, depending on the software you are using. See Windows Help and Support for more information on how to change the text size. What should I do if no image is displayed on my TV screen or external display connected to the HDMI output port? Make sure you are using an HDCP-compliant display. The copyright protected content is not displayed on a non-HDCP compliant display. See Connecting a TV with an HDMI Input Port (page 80) or Connecting a Computer Display or a Projector (page 77) for more information. What should I do if 3D images are not displayed or the 3D effect is less pronounced on the computer screen? Refer to the Enjoying 3D: Information Guide for detailed information on 3D playback. What should I do if 3D images are not displayed on my 3D TV connected to the HDMI output port? . Change the 3D playback settings. To change the settings, click Tools in the upper right corner of the WinDVD BD window and select . See the help file included with the WinDVD BD for more information. . If the computer is connected to your 3D TV through an AV amplifier, make sure the AV amplifier supports 3D playback. . Check the HDMI output resolution settings on the computer. If the resolution is not set to 1920 x 1080 or 1280 x 720, images are not displayed in 3D. See To play Blu-ray 3D Disc media (page 81) for details on how to set up the resolution. . You should also see the manual that came with your 3D TV for more information on 3D playback. Troubleshooting > Display n155 N Why doesn't my screen display a video? . If the display output is directed to the external display and the external display is disconnected, you cannot display a video on your computer screen. Stop video playback, change the display output to the computer screen, and then restart video playback. See Selecting Display Modes (page 83) for changing the display output. Alternatively, you can press the Fn+F7 keys to change the display output. See Combinations and Functions with the Fn Key (page 35) for more information. . The video memory of your computer may be insufficient for displaying high resolution videos. In such a case, lower the resolution of the LCD screen. To change the screen resolution, follow these steps: 1 Right-click on the desktop and select Screen resolution. 2 Click the drop-down list next to Resolution. 3 Move the slider up to increase or down to decrease the screen resolution. . You can check the total amount of the graphics and video memory available. Right-click on the desktop, select Screen resolution, and click Advanced Settings and the Adapter tab. The displayed value may be different from the actual amount of memory on your computer. What should I do if my screen is dark? . Press the Fn+F6 keys to brighten your computer screen. . Blocking the ambient light sensor turns your screen dark. Make sure that the sensor is unblocked. Why does the LCD brightness fluctuate when I change it or place my computer back into Normal mode from Sleep mode? This may occur on models with the LED backlight when the LCD colors are calibrated and does not indicate a malfunction. Troubleshooting > Display n156 N What should I do if the external display remains blank? Press the Fn+F7 keys to change the display output. See Combinations and Functions with the Fn Key (page 35) for more information. How do I run Windows Aero? To run...
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