Dell Monitor Broke Monitor Sometimes it come off sometimes it down

This Dell monitor is perfect for gaming with its 27-inch screen size, 165 Hz refresh rate and 1 ms response time. The LED edgelight system provides 400 cd/m² brightness and 2560 x 1440 maximum resolution for a stunning display. It also includes a USB hub for easy connectivity. The monitor is black and comes with an aspect ratio of 16:9, making it suitable for most gaming needs. The item is being sold for parts or not working, but its MPN is DCY89 and the model is S2721DGF. The contrast ratio is 890:1, and its item length, width and height are 24in., 24in. and 20.6in. respectively. The product line is Display and the most suitable category is Computers/Tablets & Networking, Monitors.