Common Issues
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The image on the computer monitor and/or projection screen flickers.
1. If you are using a laptop, always use AC power instead of the battery.
2. Make sure the resolution is configured according to the native resolution of the projector. Refresh rate should be set between 60 Hz to 85 Hz.
Go to Apple Menu > System Preferences > Displays to change the resolution and refresh rate.
(The actual screen may vary, depending on which operating system and computer model you have.)
Note: Some computers have locked refresh rates based on the resolution. Check with Apple Technical Support if you are unable to change your refresh rate. If the
refresh rate is above 85Hz, it may result in an unstable or unclear image. See Appendix for more information about your computer model.
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