Photoshop: Unknown problem with Brush

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  • Problem
  • Updated 2 years ago
  • Solved
  • (Edited)
Hi! So I am using photoshop (14.2.1x16) on a macbook pro. All the sudden my brushes are not working: White is black, black does not work at all, and if I paint over the same area twice, it creates this were effect where it reverts the center but leaves the edges (think of it like running your finger through a dry-errase mark). this happens even when not using a mask. I have reset the brushes and nothing is changed. Ideas?
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Taylor Kauffman

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Posted 2 years ago

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Photo of Jeffrey Tranberry

Jeffrey Tranberry, Sr. Product Manager, Digital Imaging

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Official Response
It really looks like you have a Difference blend mode on the Brush tool options bar. It would help if you showed the tool options bar in your image above.