Dell 1550 Projector 1650 - User Guide - Page 20

Problem (continued) Possible Solution (continued) Partial, scrolling, or incorrectly displayed image 1 Press the Auto Adjust button on the remote control. 2 If you are using a Dell laptop computer, set the resolution of the computer to WXGA (1280 x 800) or XGA (1024 x 768): a Right-click the unused portion of your Microsoft® Windows® desktop, click Properties, and then select Settings tab. b Verify that the setting is 1280 x 800 or 1024 x 768 pixels for the external monitor port. c Press (Fn+F8). If you experience difficulty in changing resolutions, or if your monitor freezes, restart all the equipment and the projector. If you are not using a Dell laptop computer, see your documentation. If images are not displayed properly, please upgrade the video driver of your computer. For a Dell computer, see www.dell.com/support. The screen does not If you are using a portable computer, display your presentation press (Fn+F8). Image is unstable or flickering Adjust the tracking in the OSD Display Settings of the Advanced Settings menu (in PC Mode only). Image has vertical flickering bar Adjust the frequency in the OSD Display Settings of the Advanced Settings menu (in PC Mode only). 20 Troubleshooting