chuck@ubuntu:~$ xrandr --verbose Screen 0: minimum 320 x 200, current 1280 x 800, maximum 1280 x 1280 VGA disconnected (normal left inverted right x axis y axis) Identifier: 0x43 Timestamp: 63757 Subpixel: unknown Clones: CRTCs: 0 1 LVDS connected 1280x800+0+0 (0x46) normal (normal left inverted right x axis y axis) 331mm x 207mm Identifier: 0x44 Timestamp: 63757 Subpixel: horizontal rgb Clones: CRTC: 1 CRTCs: 1 EDID_DATA: 00ffffffffffff004ca3453900000000 00110103802115780a87f594574f8c27 27505400000001010101010101010101 010101010101ee1a0080502010301030 13004bcf100000190000000f00000000 00000000002387026400000000fe0053 414d53554e470a2020202020000000fe 00313534415430312d3030310a2000df BACKLIGHT_CONTROL: kernel supported: native legacy combination kernel BACKLIGHT: 8 (0x00000008) range: (0,8) 1280x800 (0x46) 68.9MHz -HSync -VSync h: width 1280 start 1296 end 1344 total 1408 skew 0 clock 49.0KHz v: height 800 start 801 end 804 total 816 clock 60.0Hz 1280x800 (0x47) 83.5MHz h: width 1280 start 1344 end 1480 total 1680 skew 0 clock 49.7KHz v: height 800 start 801 end 804 total 828 clock 60.0Hz 1280x768 (0x48) 80.1MHz h: width 1280 start 1344 end 1480 total 1680 skew 0 clock 47.7KHz v: height 768 start 769 end 772 total 795 clock 60.0Hz 1024x768 (0x49) 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 (0x4a) 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 640x480 (0x4b) 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 TV disconnected (normal left inverted right x axis y axis) Identifier: 0x45 Timestamp: 63757 Subpixel: unknown Clones: CRTCs: 0 1 BOTTOM: 37 (0x00000025) range: (0,100) RIGHT: 46 (0x0000002e) range: (0,100) TOP: 36 (0x00000024) range: (0,100) LEFT: 54 (0x00000036) range: (0,100) TV_FORMAT: NTSC-M supported: NTSC-M NTSC-443 NTSC-J PAL-M PAL-N PAL chuck@ubuntu:~$