locked External computer display goes blank when sending at >50W #macOS


MacBook Pro
MacOS: Catalina 10.15.7
WSJT-X: 2.5.4
XCVR: Icom IC-7300

This problem started after I installed 2.5.4.

Appears to only occur when I try to TX using btwn 50-100W.

Sending appears to be normal and the screen returns to normal after TX.

Any ideas would be appreciated.

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