Why does my Acer Projector have no image onscreen?
If your Acer Projector is not displaying an image, ensure that it is connected as described in the "Getting Started" section, and that none of the connector pins are bent or broken. Also, verify that the projector is switched on.
How to fix image is too small or too large on Acer K137 Projector?
To correct an image that is too small or too large on your Acer Projector: * Adjust the zoom ring on the top of the projector. * Move the projector closer to or further from the screen. * Press "MENU" on the remote control or on the control panel. Go to "Image --> Aspect Ratio" and try different settings.
What to do if Acer Projector image is unstable or flickering?
If the image from your Acer Projector is unstable or flickering: * Adjust the "Tracking" to correct it. * Change the display color depth settings on your computer.
Why is my notebook screen not displaying presentation on Acer Projector?
If your notebook computer screen is not displaying your presentation when using an Acer Projector: * If you are using a Microsoft® Windows® based notebook: Some notebook PCs may deactivate their own screens when a second display device is in use. Each has a different way to be reactivated. Refer to your computer's manual for detailed information. * If you are using an Apple® Mac® OS based notebook: In System Preferences, open Display and select Video Mirroring "On".
What to do if the Acer Projector image is out of focus?
If the image on your Acer Projector is out of focus, try adjusting the focus ring on the projector lens. Also, ensure that the projection screen is within the required distance of 1.8~10.6 feet (0.6~3.2 meters) from the projector.
How to fix slanted sides on Acer Projector image?
If the image from your Acer Projector has slanted sides, try repositioning the projector so that it is centered on the screen, if possible. Alternatively, press the "Keystone" on the OSD until the sides are vertical.
How to correct reversed image on Acer K137 Projector?
To correct a reversed image on your Acer Projector, select "Image --> Projection Mode" on the OSD and adjust the projection direction.
How to fix partial image on Acer K137 for notebooks?
To fix a partial, scrolling, or incorrectly displayed image on Acer Projector when using notebooks: * Adjust the resolution of your computer. * Press the toggle output settings. Example: [Fn]+[F4], Compaq [Fn]+[F4], Dell [Fn]+[F8], Gateway [Fn]+[F4], IBM [Fn]+[F7], HP [Fn]+[F4], NEC [Fn]+[F3], Toshiba [Fn]+[F5] If you experience difficulty changing resolutions or your monitor freezes, restart all equipment including the projector.
What to do if Acer K137 image has vertical flickering bar?
If the Acer Projector image has a vertical flickering bar: * Use "Frequency" to make an adjustment. * Check and reconfigure the display mode of your graphics card to make it compatible with the projector.
Guidelines for safely connecting and disconnecting the power supply unit.
Ensures the power outlet is accessible for easy disconnection.
Important safety warnings regarding water, unstable surfaces, ventilation, and electrical hazards.
Crucial safety advice, including avoiding looking into the lens, environment conditions, and handling risks.
General precautions to maximize the projector's lifespan and ensure safe operation.
Guide to connecting various devices and cables to the projector.
Steps to power on the projector and connect to a signal source.
How to use the tilt adjusting wheel to fine-tune the image display angle.
How to access and use the OSD installation menu for settings and adjustments.
Guide to resolving common image problems and solutions.
Detailed compatibility modes for VGA analog PC signals.
Supported timing modes for VGA analog extended wide signals.
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