In case anybody has the same problem and stumbled upon this thread: After determining that the cable was not the culprit, I decided to try out different refresh settings with all of them fixing the problem. 144 Hz fixed the problem just as much as overclocking the monitor to 260 or 280 Hz did.
Hi, Two weeks ago I bought an Alienware AW2723DF and I am so far very happy with it. However, a couple of days ago (when I switched to using the monitor in SDR mode) I noticed that every time after restarting or booting my PC (Intel Core i7-13700k, Asus ROG Strix 790-e Gaming WiFi and RTX 3090 TI) in SDR mode, the screen produces tiny lines of gray artifacts and goes black every couple of seconds or minutes seemingly randomly. As soon as I switch back to HDR mode and then again back to SDR mode, these artifacts as well as the black screens are gone. So far I tried swapping the DisplayPort cable and using another DisplayPort connection on the GPU, without success. Is there something else I could try to solve the problem? Any help is highly appreciated!
AW2723DF, gray screen artifacts and random black screens in SDR mode