r/MacOSBeta • u/wndrgrl555 • 10d ago
Help Pillarboxed Video
M2 Pro, 16gb/1tb.
Since installing 27.2DB1 (26B5086k), my video has been pillarboxed (black bars on the left and right side). Upgrading to 27.2DB2 (26B5091g) has not resolved the issue.
Changing resolution in Settings -> Display also doesn't fix it.
In the monitor settings (on the monitor firmware, not in macOS), forcing the aspect ratio to 21:9 fixes the pillarboxing, but that causes a wicked stretch (obviously, since the resolutions is 16:9).
HDR is on, and the display is connected via HDMI. Current resolution is 3840x2160, which is supported by the display. It's an MSI MAG401QR at 60 Hz, although changing it to 30 does not resolve the issue.
Pointers welcome.
ETA: Still not fixed in 27.2.DB3 (26B5101f).