Troubleshooting Your Projector 39Partial, scrolling, orincorrectly displayed image1 Press the Auto Adjust button on theremote control.2 If you are using a Dell portablecomputer, set the resolution of thecomputer to SVGA (800 x 600):a Right-click the unused portion of yourMicrosoft® Windows® desktop, clickProperties, and then select Settingstab.b Verify that the setting is 800 x 600pixels for the external monitor port.c Press (Fn+F8).If you experience difficulty in changingresolutions, or if your monitor freezes,restart all the equipment and the projector.If you are not using a Dell portablecomputer, see your documentation. Ifimages are not displayed properly, pleaseupgrade the video driver of your computer.For a Dell computer, see dell.com/support.The screen does notdisplay your presentationIf you are using a portable computer, press(Fn+F8).Image is unstable orflickeringAdjust the tracking in the OSD DisplaySettings of the Advanced Settings menu (inPC Mode only).Image has verticalflickering barAdjust the frequency in the OSD DisplaySettings of the Advanced Settings menu (inPC Mode only).Image color is incorrect • If the display receives the wrong signaloutput from the graphics card, please setthe signal type to RGB in the OSD ImageSettings of the Advanced Settings tab.• Use Test Pattern in the ProjectorSettings of the Advanced Settingsmenu. Ensure that the colors of the testpattern are correct.Problem (continued) Possible Solution (continued)Downloaded From projector-manual.com DELL Manuals