It cannot fill the full height because the projector's chip is designed for a 4x3 image and it is receiving a 16x9 image from PowerPoint and from the computer. If you are projecting a 16x9 resolution but open a 16x9 powerpoint presentation in full screen, it will fill the width but not the height.Solution: Change the computer's resolution to match the projector's resolution.It cannot fill the full height because the projector's chip is designed for a 4x3 image. If you are projecting a 16x9 resolution, the projected image should have the same width as the projector's blue test image.On a 4x3 with computer set for a 16x9 resolution If you need to show a presentation that is in 16x9 format, use a classroom that has a 16x9 screen. There is no automated easy way around that. This may stretch some pictures in the presentation. Solution: Change the presentation's page setup (File > Page Setup > Slides sized for) to a 4x3 format.It cannot fill the full height because the projector's chip is designed for a 4x3 image and it is receiving a 16x9 image from PowerPoint. If you are projecting a 4x3 resolution but open a 16x9 powerpoint presentation in full screen, the projected image will have the same width as the projector's test image but not the full height.If you are projecting a 4x3 resolution and open a 4x3 powerpoint presentation in full screen, the projected image will have the same width and height as the projector's test image.If you are projecting a 4x3 resolution, it should match both the height and width of the projector's test image.On a 4x3 screen with computer set for a 4x3 resolution Below is what to expect when the resolutions match and don't match. At least one of them should match the projector's resolution. Check the computer resolution and the powerpoint resolution.If the neither the height nor the width are filled, the projector has been physically moved too far or too close. This is the maximum image size the projector can produce when zoomed out. Note the size of the projector's blue (test) image that appears when it first turns on.(you need the remote for this) Sometimes the projector zoom may have been inadvertently adjusted. Ensure that the projector is fully zoomed out.Note down: Is the computer connected using VGA or HDMI? HDMI will usually automatically select the correct computer resolution, whereas VGA may choose the wrong resolution.The steps below will help technical staff determine the cause and recommend a solution. So the easiest solutions will involve changing the computer or powerpoint resolution. Note that it is not possible to change the projector's resolution (without installing a new projector and a new screen, both of which are expensive and time intensive processes). There can be several reasons for this: the computer resolution and the projector resolution do not match, the powerpoint resolution and the projector resolution do not match, neither computer resolution nor powerpoint resolution match the projector resolution. It is possible that the projected image does not completely fill the screen.
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