U2414H, half screen lines and flickering | DELL Technologies
Repairing Dell U2711 Display Flickering Panel due to corroded Contacts - iFixit Repair Guide
Bottom half of screen flickering. : r/Dell
SOLVED: Flickering, Overly Bright or Swirling Colors on Monitor of All-In-One Dell Inspiron 5477 or Optiplex 7460 | Up & Running Technologies, Tech How To's
Vertical Lines on Display and Flickering - Dell U2417H - iFixit