so, at work I use an iMac with Big Sur installed, 32gb ram - 1gb hd - 4ghz - 5k monitor.
Issue is: When I place a mask on a photo and use the brush to mask small areas near the subject the brush lags making it extremely hard to accuratley do. Unfortunately, I don't know if there's a setting in photoshop I can double check or if it's a part within the computer itself?
Also, when I do the same task on my little 2015 macbook pro, 2.2ghz - 16gb ram - 256gb hd, I have no issue whatsover.
I'd love any input on what I might be able to check to solve this.
That doesn't sound good. Could you please try deselecting "Use Graphics Processor" located in Photoshop's Preferences > Performance, then relaunch Photoshop and let us know if it helps?
I appreciate the help Sahil. Unfortunately that didn't help. The issue actually repeats if I'm just painting so I uploaded a video of the lag to see if you can help.
Hi, yeah, at the time all the photoshop version I tested it with were the latest. I've since then updated the software to 22.5.1 and still have the same situation.
It sounds like this isn't an issue that a lot of people have. It's really strange tbh, especially for the iMac setup I'm using, which is a strong computer. I just can't, for the life of me, figure out why using the paintbrush tool lags so much on this mac. When I started the thread I thought it was just when I edited a mask using the paintbrush tool, but it does the same thing when just painting on a blank, small canvas. And it's ONLY that specific tool, the pencil tool works perfectly.
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