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  1. astrkr

    [GUIDE] HP Elitebook 8470p Radeon - 10.13+11.+12. | OpenCore

    I'm back. This weekend I tested dGPU on 11.2.3 also in 11.5 & 11.6. But same issue like before. I've focused only in 11.2.3 now to try to fix it. Screen in the main display it's still messy - color strobbing - See attached photos : - QE/CI seems to load fine(only when I include aty_bin image...
  2. astrkr

    [GUIDE] HP Elitebook 8470p Radeon - 10.13+11.+12. | OpenCore

    I've also tried with my EDID that I got it from a SwitchResX dump. No luck :rolleyes:
  3. astrkr

    [GUIDE] HP Elitebook 8470p Radeon - 10.13+11.+12. | OpenCore

    Thank you @DaveJ1 and @Feartech. I will go back to try it on 11.2.3.
  4. astrkr

    [GUIDE] HP Elitebook 8470p Radeon - 10.13+11.+12. | OpenCore

    Hi DaveJ1, Thank you for your quick replies buddy, I've tried it all, but everything seems to give the same results !
  5. astrkr

    [GUIDE] HP Elitebook 8470p Radeon - 10.13+11.+12. | OpenCore

    Hi Feartech, No, it doesn't. Only one GPU(7570M) Do you think I should modify anything here ?
  6. astrkr

    [GUIDE] HP Elitebook 8470p Radeon - 10.13+11.+12. | OpenCore

    The issue is that i have only one GPU(dGPU at this laptop) and i get color strobbing. I can't use it properly as screen its a mess. No, backlight control doesn't work in 11.6, same for 11.5(i've tested it). ###Edit - I re-tested on this weekend, backlight control works after installing Legacy...
  7. astrkr

    [GUIDE] HP Elitebook 8470p Radeon - 10.13+11.+12. | OpenCore

    Hi Dave11, Thank you for your time. Yes I've created my own SSDT-PM and haven't done any changes. I played with ResXtreme but still same issue. Also what's weird, when I plug in VGA Monitor colors works great in 2nd monitor, but not in main Display... I'm using MacBookPro10,2 as SMBIOS - Big Sur...
  8. astrkr

    [GUIDE] HP Elitebook 8470p Radeon - 10.13+11.+12. | OpenCore

    I have copied the same config on my (8570p, i7-3610QM & only dGPU Radeon HD 7570M) and it's all working perfectly. Except for dGPU which is showing 5MB. Does anyone know how to guide me to full set up config of this dGPU to be shown 1GB instead of 5MB ? I also used OC Legacy Patcher for enable...
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