Getting full 1080p to a Sharp Aquos 42'' HD LCD TV

Okay, I've been struggling and struggling with this one for a good month or two and I have pretty much use up all my lifelines except the apple forums
I have a Sharp Aquos 42'' LCD HDTV that is 1080p capable, and has 2 HDMI inputs. I have been using my 17'' Powerbook G4 via a DVI > HDMI cable and it works great EXCEPT that it is displaying the desktop with about an inch black border around the entire screen. I have heard of trying to tweak the timing settings within a program SwitchResX, and have read some other threads about other people successfully being able to get a 1080p full screen with their Sharp Aquos (45'') as well. I don't know the exact settings I need for my particular TV and I was hoping to get some answers here.
sincerly,
Alex

Now I have 1080p resolution on my 37"" which exactly matches the tv screen, whow what a fantastic picture. The solution is:
* Press "Wide modes" button on the remote control and select "Underscan" for the selected HDMI input source.
* Open the Mac preferences, select displays, in the sharp display select options, then check the overscan checkbox.
* Install SwitchResX and select a 1080 resolution without interlace.
Hope this works on a 42" Sharp lcd too.
Gerd

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37 inch LCD. I know I will have to use a third party app to
get the resolution exact but my question is which setup will
work best.
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-----------S

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Probably the best thing to do at this point will be to trash the preferences file(s) associated with displays. In /Library/Preferences there should be a file labeled com.apple.windowserver.plist. Throw it in the trash. Also, for however many user accounts are on the mini, there should be files in /Users/name/Library/Preferences/ByHost that are named com.apple.windowserver.xxxxxxx.plist where xxxxxx is a hexidecimal string of letters and numbers and where name is the name on the account. Throw all of those files in the trash as well, then restart the mini.
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Getting full 1080p to a Sharp Aquos 42'' HD LCD TV

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