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Toshiba satellite u840w ultrabook 14" 21:9" El Capitan


cooper1
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Herve hi again , can you fix my Dsdt again ? is a new DSDT.....

Graphics working only with 0x01660009 nothing else i try many options but nothing to work.....

i go to iTunes store and try to play trailers movie i have green screen on itunes?????? something  wrong with nvram is my card i believe.....

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DSDT.zip

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This is a MAM info can help ?

 

  Windows description...... Generic PnP Monitor

  Manufacturer............. CMN

  Plug and Play ID......... CMN1123

  Data string.............. N144NGE-E41

  Serial number............ n/a

  Manufacture date......... 2012, ISO week 0

  Filter driver............ None

  -------------------------

  EDID revision............ 1.4

  Input signal type........ Digital (DisplayPort)

  Color bit depth.......... 8 bits per primary color

  Color encoding formats... RGB 4:4:4, YCrCb 4:4:4

  Screen size.............. 330 x 140 mm (14,1 in)

  Power management......... Not supported

  Extension blocs.......... None

  -------------------------

  DDC/CI................... n/a

 

Color characteristics

  Default color space...... Non-sRGB

  Display gamma............ 2,20

  Red chromaticity......... Rx 0,626 - Ry 0,340

  Green chromaticity....... Gx 0,349 - Gy 0,590

  Blue chromaticity........ Bx 0,158 - By 0,073

  White point (default).... Wx 0,313 - Wy 0,329

  Additional descriptors... None

 

Timing characteristics

  Range limits............. Not available

  GTF standard............. Not supported

  Additional descriptors... None

  Preferred timing......... Yes

  Native/preferred timing.. 1792x768p at 60Hz 

    Modeline............... "1792x768" 100,000 1792 1804 1868 2078 768 771 774 802 +hsync -vsync

 

Standard timings supported

 

Report information

  Date generated........... 9/6/2016

  Software revision........ 2.90.0.1002

  Data source.............. Registry

  Operating system......... 10.0.10586.2

 

Raw data

  00,FF,FF,FF,FF,FF,FF,00,0D,AE,23,11,00,00,00,00,00,16,01,04,A5,21,0E,78,0A,44,B5,A0,57,59,97,28,

  12,50,54,00,00,00,01,01,01,01,01,01,01,01,01,01,01,01,01,01,01,01,10,27,00,1E,71,00,22,30,0C,40,

  33,00,50,90,10,00,00,1A,00,00,00,FE,00,4E,31,34,34,4E,47,45,2D,45,34,31,0A,20,00,00,00,FE,00,43,

  4D,4E,0A,20,20,20,20,20,20,20,20,20,00,00,00,FE,00,4E,31,34,34,4E,47,45,2D,45,34,31,0A,20,00,B1

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Afaik, you only patch the Capri FB in order to gain specific video output(s) such as HDMI and/or VGA for instance. I think this was mentionned in previous posts.

 

HD4000, like HD3000 before it, has no built-in dedicated VRAM; as such, for memory, these iGPU use computer's RAM.

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