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Understand Pixel mapping
Video Card Guide
Guide to 1366x768
How do i get 1:1 pixel mapping on my 1366x768 TV?
You basically have 3 options, you can output 1360x768, 1366x768 or 1368x768. If properly pixel mapped the first will result in 3 pixels underscan on each side of the panel, while the last will result in 1 pixel overscan on each side. Your best bet is to try all of these resolutions(starting with 1366x768 naturally) at 50Hz, 60Hz and 75Hz.
Can my computer output 1366x768?
That depends on your graphics card. Using DVI NVidia and ATi X1x00 cards can output 1366x768. Over VGA only theATi X1x00's and some Matrox cards can do it.
The reason for this lackluster support is that 1366 is not a multiple of 8 ( for an explanation of why this is a problem see
However, most Nvidia cards and the recent ATI X1k series are capable of outputting 1366x768 over DVI-HDMI.
NVidias recent driver release notes specifically lists 1366x768 as a supported resolution, so no extra program should be needed IF the TV provides correct
How to output 1360x768 / 1366x768 / 1368x768 under Windows XP
If you cant seem to find any of the above resolutions, first try this:
Make sure 'Hide modes that this monitor cannot display' is not ticked. This will show display modes which your display claims not to support.
This is not always enough though, for example this doesnt show any of the above solutions on my 1600x1200 20" Dell LCD Monitor. The newest nvidia drivers(and probably also ATi drivers) allow you to enter custom resolutions directly, but doesnt help you with the timings unless they are standard HDTV ones.
Instead of messing with the drivers, i would suggest downloading Powerstrip from
. Its a (cheap) shareware program, and you should definetly consider buying it(but it wont force you). Install Powerstrip and restart. Now right-click the Powerstrip icon by the clock in the taskbar.
It might ask to record standard settings, just accept. Afterwards choose 'Advanced Timing Options'. Now click 'Custom Resolutions'. In the list on the left locate a suitable resolution you would like to add (like 1366x768 (LCD) for an LCD TV, and 1366x768 (PDP) for a plasma) and click 'Add new resolution'.
Powerstrip will create the new resolution, and will possible request a reboot. After that the resolution should be available in the Display Panel. In this way i could for example get a massively underscanned(but 1:1) 1366 and 1360 x 768 on my 20" Dell Monitor. You can try different resolutions as well as adjust them if you like. If everything fails, try to visit the Powerstrip forums( follow link above).
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