sudo get-edid | parse-edid This is read-edid version 3.0.2. Prepare for some fun. Attempting to use i2c interface No EDID on bus 0 No EDID on bus 2 No EDID on bus 3 No EDID on bus 4 No EDID on bus 5 1 potential busses found: 1 256-byte EDID successfully retrieved from i2c bus 1 Looks like i2c was successful. Have a good day. Checksum Correct Section "Monitor" Identifier "ASUS VP247" ModelName "ASUS VP247" VendorName "AUS" # Monitor Manufactured week 36 of 2020 # EDID version 1.4 # Digital Display DisplaySize 520 290 Gamma 2.20 Option "DPMS" "true" Horizsync 83-83 VertRefresh 48-75 # Maximum pixel clock is 170MHz #Not giving standard mode: 1920x1080, 60Hz #Not giving standard mode: 1680x1050, 60Hz #Not giving standard mode: 1440x900, 60Hz #Not giving standard mode: 1280x1024, 60Hz #Not giving standard mode: 1280x960, 60Hz #Not giving standard mode: 1280x720, 60Hz #Not giving standard mode: 1152x864, 75Hz #Extension block found. Parsing... Modeline "Mode 16" 170.00 1920 1928 1960 2026 1080 1105 1113 1119 +hsync -vsync Modeline "Mode 0" 148.50 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync Modeline "Mode 1" 25.200 640 656 752 800 480 490 492 525 -hsync -vsync Modeline "Mode 2" 27.027 720 736 798 858 480 489 495 525 -hsync -vsync Modeline "Mode 3" 27.027 720 736 798 858 480 489 495 525 -hsync -vsync Modeline "Mode 4" 27.000 720 732 796 864 576 581 586 625 -hsync -vsync Modeline "Mode 5" 27.000 720 732 796 864 576 581 586 625 -hsync -vsync Modeline "Mode 6" 74.250 1280 1720 1760 1980 720 725 730 750 +hsync +vsync Modeline "Mode 7" 74.250 1280 1390 1420 1650 720 725 730 750 +hsync +vsync Modeline "Mode 8" 74.250 1920 2448 2492 2640 1080 1082 1089 1125 +hsync +vsync interlace Modeline "Mode 9" 74.250 1920 2008 2052 2200 1080 1082 1087 1125 +hsync +vsync interlace Modeline "Mode 10" 54.054 1440 1472 1596 1716 480 489 495 525 -hsync -vsync Modeline "Mode 11" 54.054 1440 1472 1596 1716 480 489 495 525 -hsync -vsync Modeline "Mode 12" 54.000 1440 1464 1592 1728 576 581 586 625 -hsync -vsync Modeline "Mode 13" 54.000 1440 1464 1592 1728 576 581 586 625 -hsync -vsync Modeline "Mode 14" 148.500 1920 2448 2492 2640 1080 1084 1089 1125 +hsync +vsync Modeline "Mode 15" 148.500 1920 2008 2052 2200 1080 1084 1089 1125 +hsync +vsync Modeline "Mode 17" 74.25 1280 1390 1430 1650 720 725 730 750 +hsync +vsync Modeline "Mode 18" 74.25 1280 1720 1760 1980 720 725 730 750 +hsync +vsync Modeline "Mode 19" 27.00 720 732 796 864 576 581 586 625 -hsync -vsync Option "PreferredMode" "Mode 16" EndSection