MacBook Pro + DVI-to-HDMI + HDTV = Fuzzy Display?

Unless you can get the MBP to output 1366 x 768, scaling will always be present and active. Scaling really messes with Apple sub-pixel font rendering, which is why you see rainbow colors around text.

I should also point out, even if you can get the MBP to output 1366 x 768 using a third-party program like DisplayConfigX or SwitchRes X, there is no guarantee the Sanyo will accept that input unprocessed, meaning unscaled, or at all. Some TVs won't run from an input equal to the native panel resolution. Strange but true.

Does the Sanyo have a VGA input? Often times VGA is the recommended (and only) way to drive a TV at it's native panel resolution. I would check the Sanyo manual about this and see if it references connections to a "PC".

I have a 24" HP display at work that offers VGA and HDMI inputs. I tried a DVI to HDMi cable thinking that would get me the best quality. Alas, the picture was fuzzy in appearance. The displays control panel identified it as a TV and offered an "overscan" option. When I unchecked that option, the picture shrank to roughly 1/4 its original size while still claiming to be 1920x1200. I switched to using the VGA port and it's fine, crisp and all. When I used my Dell laptop and drove that monitor via DVI I noticed similar problems. I'm thinking it's a limitation of HDMI. It's really only meant to drive TVs and they aren't monitors.

Hey, I am having this same problem and I might have a little info (but no answers) to add.

I am going the DVI to HDMI route on my Sony Bravia 32". The first time I hooked this up, it looked brilliant. I wanted to test this out, so I bought a $50 cable at the Circuit City near my house (with full intention on returning it to find a cheaper cable). I thought it all worked, text was crisp, I was amazed.

So I return the cable and get a Belkin cable in the mail, saving 40 bucks or so. And that's when I this problem. Red halos around the text. Before I even looked at text closely, it seemed to be off. After research I discovered that the length of the HDMI cable matters.

Looking closely at my purchases, my first cable was 3 feet, and the second was 6 feet. I am guessing that I need a really short cable or the signal degrades.

Tomorrow I am going to go back to Circuit City and buy that 3 foot cable again (which has dropped to $10 incidentally). I'll report back if my theory pans out.

I have my MBP hooked up to a 42 inch Westinghouse true 1080p HDTV via a DVI-HDMI Cable (6 foot) from walmart. It's an off brand cable, which may have something to do with it, but I've recently contracted the same problem.
I only run the westinghouse display, disabling the laptop display by closing the lid and bringing it out of standby when it's closed. I run the display at 1920 by 1080 at 60Hz.

I've found that when the mouse is in the lower right quadrant of the screen, no shifting or blurring occurs.

when the mouse is moved above the halfway point of the screen, a stretch occurs that begins from the top blurring all of the pixels after the first 200 or so lines.

when I move my mouse to the left half of the screen, a full pixel shift occurs, from left to right as my mouse goes from right to left.

I have yet to figure out if my cable is at fault, though it is suspect, but it's the first thing on my list after i get done scrubbing all the forums ever with "fuzzy", "mac", "external" and "display" in them.

For those of you with issues of clarity when using "1080p" tv's:
A lot of your TV's are not 1080p, but have an internal signal processor that downscales the video input from 1920x1080 to 1337x720. If it is a low quality signal processor, or there is any discrepancy between the actual native resolution and the 'supported' resolution, you may get blurring.

Remember that if you're piping out via a VGA line, you're going to max at 720p, and can not push 1080p over it.

To the best of my knowledge, there are only a handful of companies actually making LCD panels, and fewer still have anything under 40 inches that is native to 1080p. I know of 37" 1080p panels from Sharp, LG, Samsung, and the korean company that made mine (don't know the name though). I hope my info helps others, I'm wicked tired of fuzzy letters since the crisp display is one of the things I love most about my mac.

You know, I suddenly feel like a n00b for this, but I just figured it out.

I had one degree of zoom on.

I forgot the most basic of basic rules of troubleshooting: 1)Check cables 2)Check user configs. It's almost always 2.

Sorry for being a tard and spamming way too much info over a problem I caused myself.