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Very slow open cr2-photos

After update to os x 10.9 mavericks, my macbook is very slow open CR2-files. In Quick-look or Preview.app - i have slowdown about 5sec, then photo opens. At 10.8 similar photos open instantly. Seems like something broke after update. My config: Macbook Pro 13" with Retina, Core i7 3GHz, 8Gb RAM, Intel HD 4000. Have ideas?

MacBook Pro with Retina display, OS X Mavericks (10.9)

Posted on Oct 24, 2013 2:11 AM

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41 replies

May 17, 2014 4:42 AM in response to im_hex

I had the same problem, "Preview" took forever to load photos until someone today suggested looking at the memory card I was using. Usually I use a 32gig card, so today I filled a 16gig card with photos (CR2 files) took it home and Preview loaded them instantly, yet when I put the 32gig card back in with just 20 photos, I was back to snails pace. I don't know if this is the solution for everyone but it has certainly worked for me. 🙂

Very slow open cr2-photos

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