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  1. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Finally I managed to boot my system to HDMI (DP is also working). I have attached my ioreg and config.plist below.
  2. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Hello guys, I am back... hope you all are doing well. May I know if there is anything I can test for now?
  3. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Good news is that my Framebuffer@3 is back, but the port-number is showing 0x0 but not 0x7, so now my system keeps rebooting. Guess I need a revised "port 0x7 to HDMI" patch to make it work again. Please see my attachment below 6.zip Appreciate if you can help on this again. Hopefully it...
  4. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Thank you RehabMan for your time and support. Much appreciated.
  5. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Tried to capture below dmesg. Does it help? *** sudo dmesg | grep IGPU [IGPU] Will fallback to host-side scheduling if graphics firmware fails to load [IGPU] Scheduler Tail Coalescing Enabled. [IGPU] Scheduler Tail Coalescing Enabled. [IGPU] Chose to use graphics firmware based on platform...
  6. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Okay, so I used Xcode to: 1. remove MatchOS and MatchBuild fields 2. remove old "4 displays" patch which has problem 3. verify both new "4 displays" & "port 0x7 to hdmi" patches ok 4. save config.plist Then rebooted with "-f" boot arg, then rebuilt cache, then rebooted again. Sorry to tell but...
  7. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Tried "-f", rebuilt cache again and rebooted, still black screen You mentioned that there might be something wrong in the config.plist Would you please take a look at my post #30 "4.zip"? Thanks.
  8. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    I am using Clover R4035 but unfortunately I couldn't see the "boot without cache" option according to your FAQ. So I tried 2 things: 1. In Clover, I chose "Boot without injected kexts", then rebuilt cache through command line and rebooted 2. In Clover, I added "-f Kernel=mach_kernel" as boot...
  9. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    To be exact, I did the following: 1. Disabled the problematic "4 displays" patch in Clover configurator 2. Added a new patch for AppleIntelSKLGraphicsFramebuffer you described above 3. Saved config.plist 3. Rebuilt cache by sudo touch /System/Library/Extensions && sudo kextcache -u /" 4...
  10. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    1.zip was captured when injecting an invalid IntelGFX value during the boot process (so no graphics acceleration) 2.zip was captured when booting Verbose (black screen on HDMI display but able to enter the OS, so I captured using another PC via VNC) Looks like AppleIntelFramebuffer@3 no longer...
  11. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Hi RehabMan, I need your help again please. I updated my system from 10.12.3 (fully functional with graphics acceleration) to 10.12.4 via App Store yesterday. Once the update was done, my PC kept rebooting indefinitely. I could only break into the system by disabling ig-platform-id injection...
  12. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Hurray!!! It works like a charm!! Thank you so much RehabMan!
  13. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    >>You should probably remove the patches you have for the framebuffer and start over with that process... Same result. DP works but still not HDMI. >>You should try other ig-platform-id values, different SMBIOS. Tried all different options available for Skylake in Clover 4003 but no luck...
  14. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    That's weird. I could see the entire boot up process on the HDMI display until it was about the load the desktop. I also tried to connect my LCD TV but got the same result. When I logged in to it via VNC, the graphic response was the same as a fresh install without hardware acceleration. Is...
  15. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Please find the attached debug.zip I captured that when HDMI was the only connection. Looks like the acceleration driver was not loaded, and when I opened "System Preferences" => "Displays" only two options are there : "Scaled" => "1280x1024" & "1024x768" Thanks.
  16. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Thanks for your advice. Will do it tonight and update.
  17. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Per my understanding: 00 04 00 00 => DP 00 08 00 00 => HDMI I can see AAPL,boot-display has been set to True on AppleIntelFramebuffer@1, where the port-number is 0x5 If I get them correct, the patch you suggested should also be applicable to me, and yes I believe the connector-type (00 08 00 00)...
  18. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Gents, with the HDMI patch applied (0004=>0008), I lost my screen during the Sierra boot process. However, even though I was "headless", I could still shutdown my hackintosh normally by 1/input password to log in 2/pointing my mouse to the very top left hand corner & click once 3/press Up...
  19. leungsk1

    Intel HD 630 Low Refresh Rate on 2560x1440

    Gents, I got a similar situation. I have a Z270 mobo using onboard display only (DP + HDMI). Currently I have my DP connected to a DP monitor and hardware acceleration works fine. However, I would like to use HDMI as my primary output (connect to another HDMI monitor) so I applied the...
  20. leungsk1

    Troubleshooting iMessage Login Issues

    Thank you so much colin404. It worked for me !!! >>Get chameleon wizard >>install chameleon 2255 and fileNVRAM (found in modules) >>I only have fileNVRAM.dylib in modules folder >>delete existing nvram.plist from extra folder >>restart
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