Nothing displayed on TV through HDMI.

I have an Acer 4820T with Intel HD 3000 graphics and am trying to use a Sharp LC-37GA8E as a second display. It works in Windows 7 without problems but not in Arch using arandr/xrandr. The TV will change resolution as you try different settings but the screen is blank. Arandr/xrandr does work perfectly with an LG M2262D through HDMI.
xrandr -q
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (normal left inverted right x axis y axis) 309mm x 174mm
1366x768 60.0*+
1024x768 60.0
800x600 60.3 56.2
640x480 59.9
VGA1 disconnected (normal left inverted right x axis y axis)
HDMI1 connected (normal left inverted right x axis y axis)
1920x1080 25.0 + 30.0
1280x720 60.0 50.0
1440x576 25.0
1440x480 30.0
1024x576 60.0
800x600 60.3 56.2
720x576 50.0
848x480 60.0
720x480 59.9
640x480 59.9 59.9
DP1 disconnected (normal left inverted right x axis y axis)
xrandr --verbose
Screen 0: minimum 320 x 200, current 1366 x 768, maximum 8192 x 8192
LVDS1 connected 1366x768+0+0 (0x45) normal (normal left inverted right x axis y axis) 309mm x 174mm
Identifier: 0x41
Timestamp: 259803492
Subpixel: horizontal rgb
Gamma: 1.0:1.0:1.0
Brightness: 1.0
Clones:
CRTC: 0
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff000daf571400000000
03140103801f11780abac59457549127
20505400000001010101010101010101
010101010101781d56c2500026301f41
4c0035ae10000018000000fe004e3134
3042362d4c32340a2020000000fe0043
4d4f0a202020202020202020000000fe
004e31343042362d4c32340a20200033
BACKLIGHT: 9 (0x00000009) range: (0,9)
Backlight: 9 (0x00000009) range: (0,9)
scaling mode: Full aspect
supported: None Full Center Full aspect
1366x768 (0x45) 75.4MHz -HSync -VSync *current +preferred
h: width 1366 start 1397 end 1462 total 1560 skew 0 clock 48.4KHz
v: height 768 start 772 end 784 total 806 clock 60.0Hz
1024x768 (0x46) 65.0MHz -HSync -VSync
h: width 1024 start 1048 end 1184 total 1344 skew 0 clock 48.4KHz
v: height 768 start 771 end 777 total 806 clock 60.0Hz
800x600 (0x47) 40.0MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
800x600 (0x48) 36.0MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.2KHz
v: height 600 start 601 end 603 total 625 clock 56.2Hz
640x480 (0x49) 25.2MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 490 end 492 total 525 clock 59.9Hz
VGA1 disconnected (normal left inverted right x axis y axis)
Identifier: 0x42
Timestamp: 259803492
Subpixel: unknown
Clones:
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
HDMI1 connected (normal left inverted right x axis y axis)
Identifier: 0x43
Timestamp: 259803492
Subpixel: unknown
Clones:
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
EDID:
00ffffffffffff004d10c70f01010101
0010010380522e782a1bbea25534b326
144a5200000001010101010101010101
010101010101011d80d0721c1620102c
258034cd3100009e8c0ad08a20e02d10
103e960034cd31000018000000fc0053
484152502048444d490a2020000000fd
00313d0f2e08000a20202020202001bd
020321714d9405130411120203151606
0701230907078301000066030c001000
808c0ad090204031200c40550034cd31
000018011d8018711c1620582c250034
cd3100009e011d00bc52d01e20b82855
4034cd3100001e011d007251d01e206e
28550034cd3100001e00000000000000
0000000000000000000000000000009b
Broadcast RGB: Full
supported: Full Limited 16:2
audio: auto
supported: force-dvi off auto on
1920x1080 (0x143) 74.2MHz +HSync +VSync Interlace +preferred
h: width 1920 start 2448 end 2492 total 2640 skew 0 clock 28.1KHz
v: height 1080 start 1084 end 1094 total 1125 clock 25.0Hz
1920x1080 (0x146) 74.2MHz +HSync +VSync Interlace
h: width 1920 start 2008 end 2052 total 2200 skew 0 clock 33.8KHz
v: height 1080 start 1084 end 1094 total 1125 clock 30.0Hz
1280x720 (0x15b) 74.2MHz +HSync +VSync
h: width 1280 start 1390 end 1430 total 1650 skew 0 clock 45.0KHz
v: height 720 start 725 end 730 total 750 clock 60.0Hz
1280x720 (0x15a) 74.2MHz +HSync +VSync
h: width 1280 start 1720 end 1760 total 1980 skew 0 clock 37.5KHz
v: height 720 start 725 end 730 total 750 clock 50.0Hz
1440x576 (0x15d) 27.0MHz -HSync -VSync Interlace
h: width 1440 start 1464 end 1590 total 1728 skew 0 clock 15.6KHz
v: height 576 start 580 end 586 total 625 clock 25.0Hz
1440x480 (0x160) 27.0MHz -HSync -VSync Interlace
h: width 1440 start 1478 end 1602 total 1716 skew 0 clock 15.7KHz
v: height 480 start 488 end 494 total 525 clock 30.0Hz
1024x576 (0x161) 47.0MHz -HSync +VSync
h: width 1024 start 1064 end 1168 total 1312 skew 0 clock 35.8KHz
v: height 576 start 577 end 580 total 597 clock 60.0Hz
800x600 (0x47) 40.0MHz +HSync +VSync
h: width 800 start 840 end 968 total 1056 skew 0 clock 37.9KHz
v: height 600 start 601 end 605 total 628 clock 60.3Hz
800x600 (0x48) 36.0MHz +HSync +VSync
h: width 800 start 824 end 896 total 1024 skew 0 clock 35.2KHz
v: height 600 start 601 end 603 total 625 clock 56.2Hz
720x576 (0x165) 27.0MHz -HSync -VSync
h: width 720 start 732 end 796 total 864 skew 0 clock 31.2KHz
v: height 576 start 581 end 586 total 625 clock 50.0Hz
848x480 (0x166) 33.8MHz +HSync +VSync
h: width 848 start 864 end 976 total 1088 skew 0 clock 31.0KHz
v: height 480 start 486 end 494 total 517 clock 60.0Hz
720x480 (0x167) 27.0MHz -HSync -VSync
h: width 720 start 736 end 798 total 858 skew 0 clock 31.5KHz
v: height 480 start 489 end 495 total 525 clock 59.9Hz
640x480 (0x49) 25.2MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 490 end 492 total 525 clock 59.9Hz
640x480 (0xa15) 25.2MHz -HSync -VSync
h: width 640 start 656 end 752 total 800 skew 0 clock 31.5KHz
v: height 480 start 489 end 492 total 525 clock 59.9Hz
DP1 disconnected (normal left inverted right x axis y axis)
Identifier: 0x44
Timestamp: 259803492
Subpixel: unknown
Clones:
CRTCs: 0 1
Transform: 1.000000 0.000000 0.000000
0.000000 1.000000 0.000000
0.000000 0.000000 1.000000
filter:
Broadcast RGB: Full
supported: Full Limited 16:2
audio: auto
supported: force-dvi off auto on

https://wiki.archlinux.org/index.php/KM … odesetting

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