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HP Recommended
HP 32s Display
macOS 11.0 Big Sur

When I wake my Mac-mini (with the latest MacOS updates), only multi-colored snow shows up on the HP display. Other users indicated the same issue with Windows, so it's not an OS issue. It looks like a lack of syncing between the HP monitor and the HDMI signal from the computer. A display problem, not a computer problem. But whomever answer these questions on this board isn't addressing the issue and recommends the usual "check your BIOS" etc. Not helpful. 

My work-around: turn the display off, and turn it back on again: it restarts with a good picture. But this should be done by the display firmware, not the user.

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.