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Hello MaLd0n,
Here is my PC's specs.
System recognise it as ALC 897 but no luck so far. alcid=66 and alcid=69 doesn't work. I see the volume control on the top bar but can't hear anything. HDMI sound on monitor and TV working but internal output is silent.

Sapphire Radeon RX 590 Nitro+ 8GB

Thanks to your help!


Send me Balazss-Mac-Pro.zip

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Hi everyone

update : I used setup file and SMBIOS every thing is OK thx @MaLd0n

just need patch dsdt 



I have problem with sleep on my build , when it’s going to sleep the screen turn off but, the fans and the cpu still on,

I try every thing and @MaLd0n usb mapping tutorial but still no success

this is my send me file


Edited by aymantop1
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19 minutes ago, Call Vin said:

Hi, @MaLd0n, please patch my DSDT for my HP 840 G2. Thanks!

first update opencore and kexts and remove all acpi renames. we dont need it


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On 9/11/2021 at 1:17 AM, MaLd0n said:

first update opencore and kexts and remove all acpi renames. we dont need it


i just update opencore to 0.7.3 and all kext.


my laptop can't sleep, power and keyboard is on but blank/black LCD 



Send Me k.zip

Edited by Call Vin
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After i made a small donation, there's more to donate every week from my side i'll keep supporting olarila, thanks all guys.

I have a PC with Big sur installed with default Open core guide and ACPI files, but performance isn't the best and the processor's heat is always above 40 or 50 and above, also some usb doesn't work so i assume DSDT patching can help me, so can you please help me?

these are my files:


Thanks a lot



Edited by moemengaber
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