@Dulcedo , be sure to update to the latest version of Monterey; 12.2.1, as of the time of this message.
Tell us a bit more about your Mac; is it an M1 or Intel device? Easiest thing to do is copy/paste info from Photoshop > Help > System Info
Also, check to see if these features are enabled in Photoshop > Preferences > Technology Previews:
- Enable Native Canvas Rulers
- Precise Color Management for HDR Display
Read the rest of this message thread; it has advice for whether your document has
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