Has anyone had trouble manipulating Nikon D750 raw image (NEF) in Aperture version 3.6 on Yosemite?

Question

Has anyone had trouble manipulating Nikon D750 raw image (NEF) in Aperture (version 3.6 500021000000000.3, Digital Camera RAW 6.0 - Build 761.5, Digital Camera RAW support 6000 - Build 136.1)
I used to be able to manipuplate Nikon Raw (NEF) images from a Nikon D70 and D3200 using Aperture, until the 70 died and the 3200 was stolen about 18 months ago. Recently I did two things: (1) I upgraded OS X to Yosemite and (2) purchased a Nikon D750.  I have successfully imported NEF files from the camera to Aperture, but the images do not render/ cannot be opened/ manipulated. Instead, I see a black thumbnail for each imported image with a cassette recorder play icon in the center of each image. 
I can view the NEF image in Finder preview mode, either directly when viewing the images on the camera SD card or after exporting the previously imported NEF image from Aperture to my desktop or user folder.  Previously imported NEF image seem unaffected.
thanks.
D.

Answer 1

The current Apple OSX 10.10 Yosemite and the current Aperture version 3.6 do not have support yet for importing Nikon d750 nef/raw files. It usually takes Apple six to eight weeks to release a new digital camera raw update file for new Nikon dslr models. Once that digital camera raw update file is finally released, update your current version of Aperture and that will allow you to import your d750 raw files. In the meantime, you have many workarounds. In my opinion, the easiest is to save images in duplicate nef/raw and jpeg image files to your SD cards.
And for now, just import the jpegs to Aperture 3.6 from your d750.  Process your jpegs in Aperture - and hope your clients are happy with the jpegs and can wait for later nef/raw image processing. Be sure to save and do not erase your original SD cards that include the nef/raw and jpeg files - then when Aperture finally releases a new digital camera raw file update that includes the d750 - just insert your original camera SD cards into the computer platform and import the old d750 nef/raw files and edit/process them.
There are many other ways to proceed in the interim as well. You can always import your d750 nef/raw images into Lightroom (if it has been updated to convert the d750 nef files) and process them there. But for the time being, if you can afford to save and hold onto your original SD cards and wait for the inevitable Aperture digital camera raw update, this is a very easy and simple way to proceed.