Originally Posted by bkfk
My TV model # is Samsung PN64D8000FFXZA and I am using high speed 1.4 cables.Comcast on-demand provides about 6-3D things to look at,special events,sports,free specials,music,HBO and STARTZ. The first 4 come in top & bottom and play fine.The other two HBO & STARTZ come in side by side and these are the ones I'm having a problem with.
I cannot find anyway to adjust settings like display on either the TV or cable box.I believe the TV auto sets itself based on what its getting.
Found this on the web by googling your SA explorer box; it's instructions for accessing the HD setup wizard. Oddly enough, these instructions aren't in the printed manual!
Check out the resolution adjustments (Step 5) in bold:
Step 1: Turn off the power to the box and hold down the “Guide” and “Info” buttons at the same time. Upon holding the buttons down, you’ll be brought to a page that welcomes you to the set-up and asks you if you’d like to proceed.
Step 2: Press the yellow “A” key on your remote to proceed with configuration. This will take you to a new screen that allows you to configure the box via “Easy Mode” or “Advanced Mode.” I’ve used both and the only real option here is “Advanced.”
Step 3: Press the blue “B” key on your remote to enter the “Advanced Mode” menu. If you’re following this guide and you’re using an HD box to do it, you’re likely viewing shows on a 16:9 screen.
Step 4: Choose the “Wide-Screen Mode” option by pressing the blue “B” button on your remote. Next, the set-up will show a screen that explains the procedure. It basically says that it will run through screen resolutions. If you can see an image on the screen, your HDTV is capable of viewing video at that resolution and you should select it.
If the screen is black, you won’t be able to view it and you shouldn’t select it. For example, if you have a 720p/1080i HDTV, you won’t be able to view any content in 1080p, although you won’t have to worry about that on cable shows just yet.
Step 5: Start running through your the resolutions. At this point, the operation becomes quite self-explanatory. Start with the lowest resolution (480i) and start testing each with the blue “B” key. If you can see the screen, select it and move on. If not, your HDTV doesn’t support that resolution.
Step 6: Complete the set up by pressing the “Exit” button. Now that you have found all of the resolutions your box can pump through your HDTV, you’re ready to go.
So, per Josh Z's comments above, try switching to 1080i for side by side mode / 720p for top & bottom.