chriz74 Posted September 9, 2015 Share Posted September 9, 2015 The machine is an Asus x301a with hd4000 graphics. This is what happens if I plug the external monitor and boot: https://youtu.be/t73txs_eHZo The PC posts to external monitor, then after DSMOS arrives and framebuffers are initialized the internal screen lights up but no image is shown, image only in the external monitor This is what happens if I plug the external HDMI after post at clover menu or even when the system is loaded. https://youtu.be/mbCwRfDsDLI internal already lit and image is shown after DSMOS and framebuffer initialization. Setting primary display to IGFX in bios doesn't change behavior. Any clue? Link to comment Share on other sites More sharing options...
chriz74 Posted September 10, 2015 Author Share Posted September 10, 2015 I solved it removing ACPIbacklight kext from Rehabman. Link to comment Share on other sites More sharing options...
duduclx Posted September 27, 2015 Share Posted September 27, 2015 well done ! Link to comment Share on other sites More sharing options...
PippoX0 Posted September 28, 2015 Share Posted September 28, 2015 Good to know !! Link to comment Share on other sites More sharing options...
chriz74 Posted September 28, 2015 Author Share Posted September 28, 2015 Sorry, I forgot to update the solution: latest DSDT fix for brightness HD3000/4000 in rehabman repository + latest acpibacklight kext Link to comment Share on other sites More sharing options...
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