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Mac Mini - Sony Bravia display issue

I connected the above 32" HDTV to my Mac mini using the DVI - HDMI configuration and has worked perfectly.

However, after reboot during the recent software update (14/05/09) the resolution changed and I have now lost about an inch from the perimeter which is mighty annoying. I have tried various display settings but none of them works correctly.

Can anyone suggest a reason for this?

Just before the update I deleted an old user that I hadn't used in a long time. Could this be relevant?

MacMini/Powerbook G4, Mac OS X (10.5.6)

Posted on May 13, 2009 4:53 PM

Reply
82 replies

May 16, 2009 1:51 AM in response to Dennisson

Exactly the same problem here, but no changes made (ie i did not delete any users etc.).

I performed the upgrade to 10.5.7 on Monday 11th May and since then the screen resolution has not been the same. i have tried all options with overscan, no overscan etc. and the quality is dire on the only usable option which (for me) is 1280x720 with no overscan (and 50Hz too).

The picture quality (does this mean the driver? presume so?) is awful. I also noticed that my Sony 32" TV now displays 1080p when the Mac Mini first boots and previously (with the earlier driver) it displayed 720p - so maybe the driver upgrade had added the 1080p option/capability, however my TV can't display 1080p as it is native 720 but it does downscale extremely well (normally) - and it does a good job of that with other attached devices so I know it's the Mac Mini at fault.

I've logged the problem with Apple but haven't connected with anyone who has a clue yet...

If I hear more I'll report it here.

Would love to go back to the old driver, this quality of the display output is now awful, truly awful. Wonder if there is a way to do that...

Rob.

May 17, 2009 4:09 AM in response to robcharrison

I'm glad (in a way) that I'm not the only one with this trouble. It does sound as if the update causes the problem and not the deletion of the user.

I do notice that when I access HDMI3 on the TV it has 720p/60 and I'm sure it used to say something else in the top corner but can't remember what. SwitchResX doesn't want to find the correct resolution either and I agree that the quality is poor compared to what it was last week.

Thanks for the replies and hopefully some light will be shed on the issue very soon.

May 23, 2009 7:10 PM in response to Dennisson

Hi Dennisson,
I am experiencing the same issue immediately after the update from 10.5.6 -> 10.5.7.

I have a Mini connected to a 32" Samsung LCD tv via DVI-HDMI cable, and the Mac can no longer recognise the tv's native resolution of 1360x768. When I click "Detect Displays" from the System Preferences > Displays panel nothing happens. When I did this in the past it would recognise my tv model and it's native resolution.

As a work-around until the issue get's fixed, I have done as user "j.larsen" suggested (thanks!) and changed my tv's display config to "Just Scan" instead of the "16:9" setting it was previously at.
This isnt ideal however, as while I can see the entire picture, I am only seeing 1280x720 not the tv's native 1360x768 res.

I haven't bothered using Time Machine on my Mini since it just acts as a Media centre and my movies are on a network volume.. however I now wish I had bought an extra disk for this purpose as I could simply revert back to 10.5.6 and enjoy my movies in native res.

Hope this helps - I will still be on the lookout for a fix to what 10.5.7 has broken.

May 25, 2009 11:56 AM in response to russkey777

i am using the DVI to connect to HDMI on the TV, have done this since day one and don't plan to change that to VGA - plus the way things are cabled makes it very difficult as the screen is wall mounted as a feature in the kitchen and the mac mini is hidden too, most of the cables are behind an enclosure so not easy to move.

this looks straightforward for apple to fix as it is purely a video driver issue - ie upping to 1080p means they have messed with the driver and not retro tested sufficiently, a pain but these things happen. if they don't fix it soon i'll be re-installing from scratch (no time machine here sadly...) as it has ruined my working experience with the resolution now so rank.

Mac Mini - Sony Bravia display issue

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