In resolutions 1080 x 19 x 3480 the issue is not present. The issue is present on the left hand monitor when it is rotated by 90 degrees, and scaled to either 1440 x 2560, 1692 x 3008 (my desired resolution), or 1890 x 3360 pixels. I have 2 x LG27UK600-W 4 K displays connected, both in vertical (portrait mode), side by side, with the left hand monitor rotated 90 degrees, and the right hand monitor rotated 270 degrees, in order to align the thin normally (in landscape) upper bezels between the displays. I have encountered the exact same issue, also on MacBookPro16,1 with AMD Radeon Pro 5500M. I could of course operate at 2160x3840 or 1080x1920 though, 1440x2560 seems ideal for my uses.Īny assistance or thoughts would be greatly appreciated. In summary, it seems that this issue affects displays in portrait orientations with unevenly scaled resolutions.
The issue seems present with unevenly scaled resolutions (e.g., 2160 is not evenly divisible by 1440, while it is by 1080).The issue is present both with the built-in trackpad and a bluetooth Logitech MX Anywhere 2S.
The issue is present even if the other monitor is off or disconnected.The issue is present with the other display in portrait mode at 1440x2560 as well (with the same affected band).a 72 pixel wide affected band from x=1507 through 1578) The issue does not seem present when the portrait display is operated at 2160x3840 or 1080x1920, though it is at 1692x3008 (w.The issue does not seem present when the monitor is operated in landscape mode, even at 2560x1440.The issue does not seem present with a MacBookPro15,3 using the same monitors, cables, arragement, and resolutions.As a result, and for x=1387 and greater, the pointer lags its hover by 42 pixels, not to mention the pointer being lost in a 42x2560 vertical band. Using the coordinates presented for a partial screen capture, it would seem that, from x=1285 through 1326, the cursor is effectively hidden and motionless, despite its x position advancing. When I move the mouse pointer from left to right across the rightmost display (in portrait orientation), the pointer disappears momentarily only to reappear and resume tracking from the same point. From left to right, the displays are arranged: built-in Retina (at the default resolution), LG HDR 4K (1) (scaled to 2560x1440), and LG HDR 4K (2) (scaled to 1440x2560). macOS 10.15.5 19F101 (Catalina, updated after 06/01/20) and two LG 27UK650-W 27IN 4K displays directly connected via Native Union BELT-C-HDMI-ZEB-3 10 ft USB-C to HDMI adaptor cables. I'm presently operating a MacBookPro16,1 (MacBook Pro 16IN w.
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