What to do if there is no signal in displayport

No signal in the displayport means that the signal source of the host cannot be received. The solution is: 1. Press the power button of the computer for a long time to force shutdown, and then restart; 2. Disconnect all connections and unplug the computer power. line, and then restart; 3. Replace the monitor; 4. Repair the host.

#The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

What should I do if there is no signal on the displayport?

The computer shows that the displayport has no signal, which means that it cannot receive the signal source from the host.

Cause:

1. The vga cable connecting the host and the screen is not connected properly.

2. The graphics card is not working properly.

3. There is a serious problem with the motherboard.

Solution:

1. Turn off the computer first. You can press the computer power button for a long time to force it to shut down, and then try to restart it.

2. If the computer cannot be restarted, disconnect all connections, unplug the computer power cord, unplug the data cable between the display and the host, and then restart the computer. Try, if the plug and unplugging does not restart, then we change a good data cable to connect the computer host and the monitor. If the display is normal, it means that the data cable transmission line is broken.

3. If it still doesn’t work after changing the data cable, then we change to a good monitor, and then use a good monitor and data cable to connect to the computer host. If it displays normally, it means It's a display failure.

#4. Then connect your computer host to other normal monitors. If it displays normally, it means there is a problem with the computer host.

5. If we find the problem, we will repair it accordingly. If we cannot find the problem or the problem cannot be repaired by ourselves, it is recommended to send the computer for repair. shop for repairs.

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