Epson PowerLite 4770W User Manual - Page 172

• Check your computer display settings to disable dual display and set the resolution within the projector's limits. (See your computer manual for details.) • Check the resolution assigned to your presentation files to see if they are created for a different resolution than you are projecting in. (See your software help for details.) Parent topic: Solving Image or Sound Problems Related references Input Signal Settings - Signal Menu Supported Video Display Formats Solutions When the Image is Not Rectangular If the projected image is not evenly rectangular, try the following solutions: • Place the projector directly in front of the center of the screen, facing it squarely, if possible. • Adjust the image shape using the Geometric Correction menu settings. Parent topic: Solving Image or Sound Problems Related references Projector Feature Settings - Settings Menu Related tasks Correcting Image Shape with H/V Keystone Correcting Image Shape with Quick Corner Correcting Image Shape with Arc Correction Correcting Image Shape with Point Correction Solutions When the Image Contains Noise or Static If the projected image seems to contain electronic interference (noise) or static, try the following solutions: • Check the cables connecting your computer or video source to the projector. They should be: • Separated from the power cord to prevent interference • Securely connected at both ends • Not connected to an extension cable • No longer than 10 feet (3 m) for VGA/computer cables or 24 feet (7.3 m) for HDMI cables 172