screen-flicker

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lcx0cd / mac-hdmi-freesync-fix

Fix HDMI monitor dashed lines/artifacts after wake on Apple Silicon Macs — hidden culprit is monitor FreeSync/AdaptiveSync, not the cable. Includes display-resync tool (software cable replug + wake daemon) and kernel-level hotplug diagnosis scripts. Mac mini M1/M2/M4

macos monitor display hdmi mac-mini displayport apple-silicon adaptive-sync freesync screen-flicker

Updated Sep 28, 2026
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