Viewer Blow out

[archimedes7]

Hello everyone,I realize that this maybe a foolish question but here it goes:
I cannot get my Viewer to display anything but black inside of Nuke v5.2v3 PLE. It was working fine and then I either blew out a preference or hit a hot key that I cannot find referenced anywhere. When I run my cursor over the image I get the correct color readout in the HUD but no image displays. I am running a Quad PPC, 10.4.11, QT7.6.4, QuadroFX4500, Decklink Dual link extreme. Does any one have any idea what this problem is. I have tried loading the same scene on the same config different machine and the viewer shows. Also when I change the resolution of my external monitor (Sony BVMD-20F1U) the monitor correctly switches. It seems like I have disabled the viewer image, though I have checked that the correct channels are showing etc. Even when I start a new script and connect one read node to the viewer, I get nothing. I would appreciate any thoughts you might have, maybe it is a PPC thing, but it had been working perfectly. Also I cannot find the pref file to try and delete (I thought that might help). Thanks in advance! Also when I render in the flipbook the image shows. I also tried zooming in and out and moving the viewer, but still nothing shows in the viewer.

[fxnurbs]

well, it could be a ppc problem as i am not sure they are supported or the os 10.4..., but if i am not mistaken, you are reading a .mov file, be careful with those as nuke don't like them, it is very new that it accept mov.
have you the same problem with a jpg or just a color constant or checker created in nuke ?
if you are sure to see the good channel bcause you could be watching the 3D space or the aplha, deph...

you can also try the nuke 6 PLE see if the problem is still there

that's all i can think now

[alnitak]

A couple of thoughts:

Check that the viewer settings are correct, channels, gamma/exp sliders, correct color space. Try importing different images with different formats.

Also make sure that your viewer is not paused (mouse over viewer and hit P).

From what I can see nuke is acually reading your file since there is a thumbnail in your DAG.

It's hard to tell but if you could post a screenshot of your entire nuke window so we can see more details it might help.