HDMI cables are not compatible with HDMI ports. Please replace the HDMI cable.

You need to install the GPU driver.

1. If there is no response: open the manual row of pins, check whether the motherboard signal light is on. If it does not light up, you need to return to the factory for repair.

2. CPU fan is spinning but no signal on the screen: check if the memory/monitor is switched to the current motherboard.    

3. Video interface / CPU core monitor display normal but no signal on the screen: check whether the CPU pins are intact.

Please check whether the power of the monitor is plugged in firmly and whether the video cable is correctly inserted into the VGA or HDMI port of the computer. You need to connect both the VGA and USB connectors to the VGA adapter.

(Note:  VTRETU  motherboard has a discrete graphics card, so the VGA interface must be plugged into the discrete graphics card. If the VGA cable is inserted into the position of the integrated graphics card on the motherboard, it will not be displayed.)

First, check if the graphics card works, then set the core graphics memory to 128M, then boot the U disk/SSD via UEFI mode.

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