[mythtv-users] New LCD TV - complains about 'mode not supported'

David Whyte david.whyte at gmail.com
Tue Aug 5 10:33:47 UTC 2008


Hi all,

Bought a new Samsung 32" TV (Series 4 if it is important) for my
bedroom and hooked it up to my mythtv box via a DVI to HDMI cable.
When I booted the box, you could see the mythbuntu boot up screens but
when it logged into the desktop it comes up with a message about the
'mode is not supported'.

I imagine that this is just a resolution issue, but I have no real
idea how to fix it.  I tried doing a dpk-reconfigure xserver-xorg but
that didn't even list the 1366x768 resolution (or anything similar).

Looking in the xorg.log, it has the following lines:

(II) intel(0): Printing probed modes for output TMDS-1
(II) intel(0): Modeline "1360x768"x60.0   85.50  1360 1424 1536 1792
768 771 777 795 +hsync +vsync (47.7 kHz)
(II) intel(0): Modeline "1280x720"x60.0   74.25  1280 1390 1430 1650
720 725 730 750 +hsync +vsync (45.0 kHz)
(II) intel(0): Modeline "1024x768"x60.0   65.00  1024 1048 1184 1344
768 771 777 806 -hsync -vsync (48.4 kHz)
(II) intel(0): Modeline "800x600"x60.3   40.00  800 840 968 1056  600
601 605 628 +hsync +vsync (37.9 kHz)
(II) intel(0): Modeline "640x480"x60.0   25.20  640 656 752 800  480
490 492 525 -hsync -vsync (31.5 kHz)

which seem to indicate that the 1360x768 modeline is good but I have
no idea how best to configure my PC to work.

For the record, the specs are as follows:

AOpen MP915-X miniPC
Intel 915GM graphics chip
Output via DVI.
mythbuntu Gutsy

Anybody here kind enough to give me a hand configuring up my new TV?

Regards,
Whytey


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