: Photoshop Selections Off A Few Pixels I have had this issue for quite a while, and have found no info to help me. Also, the issue doesn't always show up. What is happening is when I select

@Murray976

May be the pixels from the marquee tool (select range). Start by selecting the inner pixels. For example, if a box is 250px wide, start by selecting from the 2nd pixel.

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@Kaufman565

I have had this problem myself in Photoshop CS5 running Snow Leopard on a Mac Pro. No graphics setting changes have permanently kept this issue from coming back up. However, when it does, pressing F to cycle through screen modes clears the issue for me.

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@Ravi4787994

I've seen this before as well. I was able to fix it by disabling “Use Graphics Processor” under Preferences / Performance (I'm using CS6, so the names may be slightly different).

There's a little more discussion here: Photoshop: Inaccurate selections with Radeon graphics cards on Mac OS

Of course, disabling GPU will slow things down...

It's worth noting that I'm not seeing this issue now (CS6 / 10.7.3 / Mac Pro / ATI Radeon HD 5770).

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