Why does the Xiaomi 4K Monitor A27Ui display no image after powering on?

If the Xiaomi 4K Monitor A27Ui’s power indicator is on but there is no image on the screen, please follow these troubleshooting steps:
  1. First, confirm that the video cable is securely connected to both the monitor and the computer or video output device. Loose or improperly inserted cables are a common cause of display issues;
  2. Make sure the connected device (such as a laptop, desktop, or console) is powered on and functioning properly. Sometimes, devices may enter sleep mode or fail to boot correctly;
  3. Try using a different video output port on the device or switching to another cable to rule out potential cable faults.
  4. If the issue persists, connect the monitor to another computer or video source to determine whether the problem lies with the monitor or the original device.

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