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corruption problem

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  #1  
Old 05-22-2011, 11:28 AM
kyleb kyleb is offline
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corruption problem

First off, I don't know if this is a hardware or software or whatever else problem. I know this has been talked about before, but I have not actually read about a solution.

I am talking about lines, spots, colors of pixels showing up in a photo you're are either viewing in Bridge, or working on in Camera raw, Photoshop, etc. Either in a small couple pixel area(like what I posted) or 80% of the photo's resolution.

This picture I posted is my latest issue. The 4 dark lines. It only effects 1 layer. So, if I turn the layer off, the lines go away. This is zoomed in 300% and only covers 20-30pixels....this time.

I have had this problem quite frequently lately and it is slowing me down in my work.

I have had this issue from multiple cards that I have shot on. This particular shot isn't even my shot, so it is a completely different camera as well and files were sent to me through email.
I have reloaded CS5 twice.
I have this issue in multiple programs(all Adobe suite though).
My computer is a 2010 imac

I have no idea what to do to fix this problem and don't know what to blame.

What next?
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  #2  
Old 05-22-2011, 03:01 PM
Doug Nelson's Avatar
Doug Nelson Doug Nelson is offline
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Re: corruption problem

Try disabling OpenGL in your preferences and see if that does anything.
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Old 05-22-2011, 05:09 PM
kyleb kyleb is offline
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Re: corruption problem

will definitely try that.
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Old 05-22-2011, 08:57 PM
kyleb kyleb is offline
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Re: corruption problem

Tried. I have been editing pretty much all day since I posted and so far I have not seen the issue again.
But, it does take away some useful features like when you use a brush to draw a straight slanted line. click on one end, shift, click the other end = straight line. Doesnt work without Enabled OpenGL.

So, I changed OpenGL to Basic instead of the normal setting. We will see what happens.
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Old 05-26-2011, 04:18 AM
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BriPriUK BriPriUK is offline
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Re: corruption problem

Hi
Try downloading the latest driver for your video card, it can sometimes make a difference.

Brian
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  #6  
Old 05-27-2011, 11:10 AM
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Tony W Tony W is online now
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Re: corruption problem

If the problem is now gone with disabling OpenGL you are at least getting somewhere. Out of interest I tried disabling OpenGL on my Windows based system but unlike your experience I did not loose the abiltiy to draw angled straight lines using shift click! Maybe that hints at something else?

New video driver install or repair seems like a good start

Have you tried adjusting the amount of memory usage in Preferences/ Memory usage, maybe decreasing a little (or even increasing!) to see if that makes a difference?

Have you run any memory test programs just to eliminate possible issues both graphics and normal memory?

Have to say that having multiple issues could indicate hardware issues either set up or drivers.
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Old 06-07-2011, 01:47 AM
kyleb kyleb is offline
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Re: corruption problem

With disabled OpenGL, I still have the problem. I just noticed actually.

I'll try the other suggestions
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Old 06-07-2011, 01:53 AM
kyleb kyleb is offline
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Re: corruption problem

I just decreased my photoshop memory usage form 95% to 90%, closed reopened Bridge and looked at the same file. It did not show the problem as a thumbnail. I opened it in CR and before rendering(yellow exclamation point) it did show the problem, but went away after the rendering.

So..... We'll see how long that lasts.

good suggestion though.

I don't know what the proper amount of memory usage its supposed to be, so I just cranked it.
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Old 06-07-2011, 10:17 AM
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John Wheeler John Wheeler is offline
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Re: corruption problem

I would reiterate Tony's suggestion about running a memory hardware test on your iMac. There are other options online yet here is the official info from Apple and where to find their test software:

http://support.apple.com/kb/ht1509
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  #10  
Old 06-07-2011, 10:27 AM
kyleb kyleb is offline
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Re: corruption problem

I have OWC memory right now. I recently took my computer into Mac for a shutting down problem. They told me that everything tested to be good. I then had the OWC memory replaced from OWC. No shut down problem since.

that being said, I'm pretty sure everything is ok now.
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