If the Xiaomi 2K Gaming Monitor G27Qi powers on but displays no image, follow these steps to diagnose the issue:
1. Check the power light: Ensure that the monitor's power light is on. If the power light is not illuminated, it indicates a power issue;
2. Verify video cable connection: Confirm that the video cable is securely connected to both the monitor and the video output device;
3. Check the video output device: Ensure that the connected device is powered on and actively sending a signal.
4. Try a different output device: Connect the monitor to another device to determine if the issue is with the original source;
5. Replace the signal cable: If the problem persists, try using a different video cable to rule out a cable malfunction;
If none of these steps resolve the issue, please contact the local after-sales service center for further inspection.