Facing TV Problems? Ask a TV Technician.
Hello and sorry you're having problems.
First, reboot the Cable/SAT box by disconnecting it from power for 10 seconds and plugging it back in. Upon rebooting, if the screen aspect is still incorrect, then look for the following buttons on the Cable/SAT remote:
AspectZoomHD ZoomRatio(#) symbol under the 9 key
Find any buttons with those labels and use them to attempt to correct the picture size. Let me know what happens.
If you need further assistance let me know. Please do not forget to click the 5 STAR RATING, at the top of the page for my efforts. It is my livelihood and you can follow up at any time if needed.
Please let me know once you're able to see my reply and try those steps above.