If the screen color of the Xiaomi 2K Monitor A27Qi darkens during use, please follow these steps to troubleshoot:
1. Increase the screen brightness and adjust contrast settings to see if this resolves the issue;
2. Review the current display settings on your device to ensure they are correctly configured;
3. Disable HDR and check if it becomes normal;
4. Reset the monitor to its factory settings to determine if the problem persists.
If these steps do not resolve the problem, please contact the local after-sales service center for further inspection.