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White streaks across photos

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First, this is the wrong forum but it is the only forum the site would let me select so here I am. That's one issue I'm having. But the real issue is an editing issue where white streaks  appear randomly on some photos. Hoping someone can give me a hand with sorting this - here's the information about the issue.

It's random, not all photos.

It happens with three cameras I use, so it's not the camera.

The streaks are horizontal, mainly white sometimes grey, of varying width and length.

They appear after editing (which is always minimal) and, sometimes, if the photo is simply opened and exported to my desktop without editing.

My tech guy  has uninstalled Affinity, deleted the following folders and reinstalled the latest version, but the issue persists:

C:\Program Files\Affinity\



I'd be grateful if anyone has an idea about what to do about this.

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4 hours ago, TKucey said:

Have something similar, but white or black bars and now cutouts.

Same advice: In Preferences, Performance, turn off Hardware Acceleration (OpenCL) if it is on.

-- Walt

Desktop:  Windows 11 Home, version 21H2 (22000.613) 64GB memory, AMD Ryzen 9 5900 12-Core @ 3.00 GHz, NVIDIA GeForce RTX 3090 
Laptop:  Windows 10 Home, version 21H2 (19044.1706) 32GB memory, Intel Core i7-10750H @ 2.60GHz, Intel UHD Graphics Comet Lake GT2 and NVIDIA GeForce RTX 3070 Laptop GPU.
        Affinity Photo 1.10.5 (.1342) and 2.0.0 / Affinity Designer 1.10.5 (.1342)  and 2.0.0 / Affinity Publisher 1.10.5 (.1342)  and 2.0.0
iPad Pro M1, 12.9", iPadOS 16.1, Apple Pencil 2, Magic Keyboard

      Affinity Photo 1.10.5 (.280) and 2.0.2 / Affinity Designer 1.10.5 (.21) and 2.0.2 / Affinity Publisher 2.0.2

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21 hours ago, joe_l said:

I guess hardware acceleration is on in your AP. Turn it off within AP via Preferences > Performance.

Yahoo I think that has worked. I don't even know what hardware acceleration is, but the box was ticked and now it is not. The fault is intermittent but the photos I have edited with the box unticked are all ok. Thank you so much!

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  • 3 weeks later...

thanks! dont know if this solved the random problem, but mine was checked and so we shall see.

Now if I could just solve the desaturation of images brought in as copy/pastes or screen shots that would be amazing!



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