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Epson EF21 - Fixing Partial Image Problems; Adjusting an Image that Contains Noise or Static

Epson EF21
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Fixing Partial Image Problems
If only a partial image is displayed, try the following steps until the problem is solved.
1. Adjust the position of the projected image using the Image Reposition setting in the Projector
menu.
Projector > Image Correction > Zoom & Shift > Image Reposition
2. Select an appropriate aspect ratio from the Screen menu according to the current input source.
(Available only when the current input source is HDMI.)
Display & Sound > Screen
3. Make sure you select the correct projection mode. You can select this from the Projection Mode
menu.
Projector > Advanced Settings > Projection Mode
4. Check your computer display settings to disable dual display and set the resolution within the
projector's limits. (See your computer manual for details.)
Parent topic: Solving Image or Sound Problems
Adjusting an Image that Contains Noise or Static
If the projected image contains electronic interference (noise) or static, try the following steps until the
problem is solved.
1. Check the cables connecting your 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
2. If you adjusted the image shape using the projector controls, try decreasing the Sharpness setting
in the projector's Display & Sound menu to improve image quality.
Display & Sound > Picture > Custom > Sharpness
3. If you connected an extension power cable, try projecting without it to see if it caused interference in
the signal.
4. Select a computer video resolution and refresh rate that are compatible with the projector.
Parent topic: Solving Image or Sound Problems

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