Thank you for your question! We are very sorry for the issue you have encountered with your monitor.
Please contact Samsung Customer Support so that we can better understand your issue and assist with a solution.
You can reach us via any of the below options:
If you need further assistance, we are here to help. You can reach Samsung Support at 1-800-SAMSUNG, available 8AM - 12AM EST (Mon-Fri) / 9AM - 11PM EST (Sat-Sun).
Or visit our Samsung website and click on the SUPPORT link in the upper right corner for:
• Contact Us Options (LiveChat, Remote Support, Facebook, Twitter)
• Product Support
• Manuals and Downloads
• Warranty Info
• Product Registration: Registering your product gives you access to easy warranty support, convenient opt-in to special promos and offers, faster troubleshooting and service, and quick notification of system updates
Hope this helps!