Glitch at native resolution for intel hd 4400 on Catalina with OC

Cimmerian_Iter

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Sony VAIO Duo 13 SVD1321Z9E
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I7 4500U
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4400 Hd graphics
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10.15 (Beta)
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OpenCore
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MacBook Air
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Hello everyone, i have made a OC config for my laptop according to the Opencore laptop gitbook guide and did the igpu section. But when i boot into my catalina, i have weird glitch everywhere on the screen. Scattered windows, pic not rendering correctly stuff like that. So im obliged to downgrade the resolution back to 1600x900. It wouldn't be much of a problem but now i'm making a battery SSDT patch and it seems it doesn't works (doesn't boot, i cannot go past the scattered apple loading screen) until i would completely fix my iGPU.

What settings do you guys recommend for making it works? Thanks in advance
 

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EliteMacx86

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GIGABYTE Z370 AROUS GAMING 3
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Hello everyone, i have made a OC config for my laptop according to the Opencore laptop gitbook guide and did the igpu section. But when i boot into my catalina, i have weird glitch everywhere on the screen. Scattered windows, pic not rendering correctly stuff like that. So im obliged to downgrade the resolution back to 1600x900. It wouldn't be much of a problem but now i'm making a battery SSDT patch and it seems it doesn't works (doesn't boot, i cannot go past the scattered apple loading screen) until i would completely fix my iGPU.

What settings do you guys recommend for making it works? Thanks in advance
Try to enable Legacy Boot mode with CSM. Provide kextcache output.
 

Cimmerian_Iter

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Apr 3, 2020
Motherboard
Sony VAIO Duo 13 SVD1321Z9E
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I7 4500U
Graphics
4400 Hd graphics
OS X/macOS
10.15 (Beta)
Bootloader
OpenCore
Mac
MacBook Air
Mobile Phone
iOS
hi. I doubt I can do that as my bios settings are quite empty. The only useful thing I can configure is VT-x enable switch and secure boot. Otherwise I don't have any other options.
 

EliteMacx86

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hi. I doubt I can do that as my bios settings are quite empty. The only useful thing I can configure is VT-x enable switch and secure boot. Otherwise I don't have any other options.
Check it once again. If there's no any Boot settings, then provide a kextcache output.
 

Cimmerian_Iter

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Motherboard
Sony VAIO Duo 13 SVD1321Z9E
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I7 4500U
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4400 Hd graphics
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10.15 (Beta)
Bootloader
OpenCore
Mac
MacBook Air
Mobile Phone
iOS
Yeah i checked again and i have no option for that.

As for the output after running sudo kextcache -i/

KernelCache ID: 995D9E2887F168566001BBE2DDC3E4F9
 

EliteMacx86

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Clover (UEFI)
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Yeah i checked again and i have no option for that.

As for the output after running sudo kextcache -i/

KernelCache ID: 995D9E2887F168566001BBE2DDC3E4F9
Update Lilu and WEG. If the problem persists, i recommend you to start here:

Note: Until i add the guide for OC, no support will be provided to OC configuration.
 

Cimmerian_Iter

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Sony VAIO Duo 13 SVD1321Z9E
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I7 4500U
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10.15 (Beta)
Bootloader
OpenCore
Mac
MacBook Air
Mobile Phone
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OK thanks i managed to fix the issue while doing the guide. Thanks
 

EliteMacx86

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ViniciusDS

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Hello, I have the same problem, but in Mojave, how did you solve it?
 

EliteMacx86

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