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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?
Cross posting It has concerned me that this is an issue for you guys, so when I have had the time I have scoured the Apple Discussions and the internet trying to ascertain what is going on. It is a reported problem. It does exist. It just is not a widespread issue. It seems that the problem is mostly with folks using Mac minis as media centers and connecting to HDTVs via DVI/HDMI. A few folks claim that the issue is that DVI/HDMI resolution detection was broken in the 10.5.7 update. The same folks claimed that Apple is aware of the issue and has engineers are working on a resolution. No time frame for a fix was ventured. The same folks in the know claim that the only workarounds currently have all been mentioned here; 1. Revert to Mac OS X 10.5.6 2. Use ScreenResX to create the resolution you need. 3. Fallback to analog VGA until there is a fix. There is also a discussion thread in Apple Discussions: Mac OS X Leopard that offers a few ScreenResX solutions/settings that some folks got their resolution back..
I was finally able to set my original native resolution by:
1- Downloading the free "SwitchResX Control Panel", not the full blown app which is not free (and not to mention installs the APE hack which I did not want)
2- Used the Export EDID option in the first tab of the panel, resulting in an exported text file containing all my display's supported resolutions as idenitifed my the embeded manufacturer profile.
3- Found all the required timings for my desired resolution.
4- Entered these into new a custom resolution in the panel, rebooted, and was able to use the resolution.
I have the same problem. An Intel Mac Mini attached (DVI to HDMI) to a Sony 32 inch Bravia. Worked wonderfully until the latest update to Leopard. Before the picture was fantastic - but now looks very poor with the image cut off at the top and bottom of the screen.
I know Apple will blame Sony - but face it guys. Using a Mac Mini as a media centre and attaching it to a Sony Bravia TV is going to be a fairly common occurrence. It's not like we're talking about two obscure companies here! Looking forward to the fix. Fingers crossed.
Since it appears the issue is only is only with 720p TVs and not 1080p ones, maybe someone just forgot that some LCD TVs can only handle 720p. Cause at Sony and Apple, I am SURE they are all sporting 1080p sets 🙂
I know Apple will blame Sony - but face it guys. Using a Mac Mini as a media centre and attaching it to a Sony Bravia TV is going to be a fairly common occurrence. It's not like we're talking about two obscure companies here! Looking forward to the fix. Fingers crossed.
I have a 42 inch Bravia, and there is no "full pixel" option on my settings. There is "normal", "-1", and "-2". It almost fills the screen on -2, but still seems fuzzy.
I am not in front of my TV, but you will need to go into the settings menu, screen settings, than look for something called "Display Area". Go into that, and then you will see options for 'Normal' and 'Full Pixel'. This is separate and different from the 'Wide Mode' settings. It's very possible not all Bravia's have this options, but that's where it is on mine.
coliseumrocker wrote:
I have a 42 inch Bravia, and there is no "full pixel" option on my settings. There is "normal", "-1", and "-2". It almost fills the screen on -2, but still seems fuzzy.
Suggest you also check the display resolution specifications in the Bravia manual that came with the telly (or is otherwise available from the Sony site) - there will be a table toward the back of the manual that sets out what resolutions it will accept from a PC source.
Basic caper is that not all Full (1920x1080) HD Bravias are able to accept a full HD signal from a PC source (via HDMI or otherwise). My non-exhaustive research has concluded that Bravias after March 2009 should be able to accept a full HD signal from a PC (but you need to check in each case).
So - if you are attempting to send a full HD signal from your mini to a set that can only accept a lesser resolution it will look ordinary no matter what fiddling you do with the TV's settings (and ordinary means that text will look grainy/blurry) - your only solution in this case is to set the display prefs of your mini to a resolution that is within your TV's capabilities.
So - you will need to adjust your mini's display prefs resolution to suit. The set does not have a "full pixel" option but has either Full1 or Full2 options within the PC settings or -1 or -2 within the display area settings. (see pages 25 and 28 of the manual).
I was finally able to set my original native resolution by:
1- Downloading the free "SwitchResX Control Panel", not the full blown app which is not free (and not to mention installs the APE hack which I did not want)
2- Used the Export EDID option in the first tab of the panel, resulting in an exported text file containing all my display's supported resolutions as idenitifed my the embeded manufacturer profile.
3- Found all the required timings for my desired resolution.
4- Entered these into new a custom resolution in the panel, rebooted, and was able to use the resolution.
Same problem with me now. I have exported the EDID. Now which values should I take from the text file and where should I put them in a "new resolution in the panel"? Thanks.
I was summarizing the detailed steps posted in the forum thread David provided a link to. I think the only deviation from these steps I made was to use the SwitchResX Control Panel instead of the full app, and I did not use simplified settings in the Timing Parameters window, but rather I manually entered in all my EDID values.
Which values should you take from the EDID?
That depends on what the native resolution of your display is - which is the resolution you are trying to achieve. Mine is a 32" Samsung and has a native res of 1360x768 so i just looked for the relevant section in the EDID file listing the parameters for this resolution. There was only one such listing. Yours may be the same or a higher res if it's a full HD display.
Find your display's native res within the file - i can't tell you where it's listed in the file, i think that can differ according to the manufacturer and model - but once you find where it's listed the other parameters relating to that res will be obvious.
"Custom resolution in the panel" refers to the Custom tab i the SwitchResX control panel. You must have downloaded and installed this seeing as you have used it to export your monitor;s EDID profile.
You can use SwitchResX Control Panel to add a new custom resolution by going to the Custom tab and clicking the [+] button, where you are presented with a Timing Parameters window that expects all the vaues from the EDID file. On this window make sure the drop-down list in the upper left corner is set to "custom". Fill the applicable values from your EDID file (i think the pixel clock value is auto generated based on some of the other values).
Once you click OK, in the previous window you should now see a new resolution entry matching the values you just entered. Click Apply. Close the window and reboot your machine. Once restarted, open up System Preferences and choose Apple's original "Monitor" preferences. In the "Monitor" tab, you should now be able to choose the newly added resolution. If your screen does not scale the image, try checking "Overscan" from within the "Options" tab. I personally have selected this overscan, in addition to trying the various display options on my tv until i found one that displays a full screen to the borders of my tv.
