The devices may have different types of video connectors, VGA, DVI, HDMI, DisplayPort (DP), USB-C, and so on. I just read one website (for people using projectors at a university facility) that warns that if the laptop is set to 32 bit color instead of 16 bit color, it could keep the laptop from mirroring to the projector. There are several ways to connect a computer to the monitor or projector. The lamp works fine we can't get projector to recognize incoming signal from computer. Problem with DVI-VGA cable? What should we do next? I am using the Function/F8 toggle key to send the image to the projector. The toggle key seems to work (every third toggle the monitor on the laptop goes black, as if it is mirroring the image to the projector, but the projector can't recognize it. We've tried turning on the projector and computer in different sequences. We're using the DVI-VGA cable provided with the projector. The projector also has a VGA terminal that can be set for computer input, but they didn't provide a VGA-VGA cable. The cable provided with the projector is a DVI-VGA cable the primary computer input terminal on the projector is DVI. I also can't get any technical support either from Sanyo or from the dealer, so I am throwing myself on your mercy. I can't get my brand new Sanyo Multimedia Projector (PLC-XU25A) to recognize the incoming image signal from my Dell Inspiron laptop computer.
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