The projector brings us a lot of convenience, and there are some use problems in the process of use. The projector shows that no signal is the most common type of problem, then what if the projector has no signal ? The following decoration home decoration network Xiaobian will bring you no signal solution for the projector, I hope to help everyone.
What if the projector has no signal?
The projector has no signal check steps:
1. Check if the projector is connected to the computer using a VGA cable or an HDMI cable.
2. If it is a VGA connection, please check if the projector is selected to VGA or computer mode. If it is HDMI connection, please check if the projector selects HDMI mode, which is the choice of signal source input;
3. If the connected device is a desktop computer, you need to adjust the resolution of the computer according to the resolution of the projector. Usually, the refresh frequency can be adjusted to 60 Hz. Some are higher. It is best to try one by one, then shut down and re-use the VGA connection projection. If the notebook is connected to the projector, you need to press FN+FX in the lower left corner of the keyboard (one of the F1-F12 switches). Usually, there are 3 modes for switching between the two modes. You can Press once, twice, three times and try again;
4, if the above operation is no problem, the projector still shows no signal, you can try to change the root cable.
The projector has no signal solution:
1. The projector has a signal output to the projection cloth, indicating that there is no problem with the projector; the input button on the projector is to let the projector automatically search for the computer signal, and the "A signal output" is the output of the VGA signal (output signal of the computer, etc.) . “Memoryless Stick†has no effect on the computer output signal to the projection.
2, confirm that the computer has no problems, and switched on the computer
3. Restart the computer to see if the projector can detect the computer signal.
4, look at the resolution of the computer monitor, too high may exceed the display range of the projector and can not be displayed, generally 1024 * 768.
5, look at the refresh rate of the graphics card, the refresh rate of the graphics card may also affect the normal output to the projector, generally set to 60MHZ.
6. Right click on the blank space of the desktop, then select "Properties", then select "Settings", then deselect "Extend Windows Desktop to Monitor".
7. After all the above tests, it still doesn't work. Finally, the technician asked me to modify the projector's menu. Press menu to enter the projector's menu, then move to the third item (a small box shape), then change the A signal output to "computer", set it up and exit the menu, then press the input key to search for the signal, the computer signal is successfully output to On the projector.
The above is what the small series brings to your projector without signal? The projector has no signal solution. I believe that after reading this article, you have a basic understanding of the projector without signal. If you want to know more about decoration consultation, please click to enter the decoration knowledge channel.
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