Hi @dcao ,
To better assist you with this issue, we would like you to confirm the following:
- Display firmware: Please ensure that your monitor's firmware is up to date. You can refer to the user manual or visit the official website for update instructions.
- Power settings: Please check the power settings of your monitor to ensure it is in normal condition.
- Cable testing: We recommend that you try replacing the DisplayPort or HDMI cable to rule out the possibility of a faulty cable.
- Factory reset: We recommend that you restore your monitor to factory settings to rule out any software setting abnormalities.
- Graphics card driver: Please ensure that you have the latest graphics card driver installed.
- Testing with other devices: We suggest you connect the monitor to another computer or device to see if the issue persists.
- Power testing: Please try replacing the monitor's power cable or plugging the monitor into a different outlet to rule out power supply issues.
Providing this information will help us analyze the problem more in-depth. Thank you.
Please note that response times may be delayed due to upcoming regional holidays. For urgent inquiries, please contact your local service center. Thank you for your patience.