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AirPLay / display mirror problem on HP 8470 HighSierra

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Message par Zsolt Szekely le Sam 25 Aoû - 15:10

I just installed to my friend High Sierra to a HP8470 laptop with 1600x900 display.
Everything is OK, but the displayport(hdmi) output does not work !
In BIOS the UEFI is set "withoput CSM" . I also also tried to set to hybrid, but no difference... No "AirPlay" / Mirror... It is very important, because he wish to use the laptop for presentations too.

My 6460b works perfectly with mirroring display, but it is only low resolution display machine. So, I think the problem is with the high res. display setting. I have no idea, and no experience how to persuade this 8470 for mirroring.

THANKING your all ideas fix this problem ! (may be some extra kext needed, or clover setting ?????)

... there is no discrete video chip, just Intel HD 4000 video is built in ...
Zsolt Szekely
Zsolt Szekely

Date d'inscription : 19/11/2017

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