* Isolate the S2721QS power and video cables. Make sure no other cabling is laying across them* What PC model?* What PC video card or onboard GPU?* What operating system?* List every video out port on the PC to test on the S2721QS three video in ports = HDMI 1/HDMI 2/DP * Open the online S2721QS User's Guide to page 69* Run the S2721QS BID (Built-in diagnostics)* Do you see flickering? * Page 58 discusses LCD Conditioning which helps reduce minor cases of image retention
I had this S2721QS for 5 days now. The past 2 days I've consistently experienced screen flickering and I've seen ghost image of my web browser's bookmark toolbar. Why is this happening? Is this S2721QS defective? Here, I tried to get a decent video of the flickering. [URL]
S2721QS, screen flickering daily, image retention