If the screen has displays, but it only displays the desktop, without icons. You can use win + P to switch pictures.Ĩ. Don’t plug one end of the HDMI cable into a separate graphics card, while the other end to the integrated graphics card. You can first adjust the resolution to 1280 * 800 (the best resolution of the projector), then put the mouse on the projector, press the left button and hold down, then pull down, so you can see the full screen.Ħ. The screen displays, but it is incomplete. You can replace it with a new one to try again!ĥ. Then there may be a HDMI cable not being contacted well. If the entire above are correctly operated, there is still no screen display. Go into the laptop graphics card control panel to set up the laptop's dual-display output or press the combination keys FN + F (F represents a key between F1-F12, and it varies from brand to brand.) to switch the video output signal of the laptop. In general, it will start to work after connecting the HDMI cable. There are also some DVD players that need to be switched to HDMI on the DVD remote control.Ĥ. Or you can try connecting HDMI to the TV. If there is still no signal, you can restart the computer and try again. You need to adjust the ends of the cable and try again.ģ. Check if the HDMI cable is connected properly. Do not switch mistakenly between HDMI1 and HDMI2. First of all, switch the signal source of the projector to the corresponding HDMI signal source mode. Solutions for no signal after connecting to HDMI:ġ.
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