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MaLd0n

Fix Grey Screen BigSur Installation

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EFI Premade folders https://tinyurl.com/ybr968w3

 

Go to NVRAM tab, erase Value in prev-lang:kbd and change Type to DATA . Reset NVRAM one time.

cDkQyAM.png

if don't work inject 656e2d55533a30 properties. Reset NVRAM one time.

FGpFZ6N.png

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4 hours ago, BroFi$h said:

i already try this step but still grey

reset nvram?

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6 minutes ago, BroFi$h said:

yeah i already reset nvram but still grey

no idea what happens in ur case

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Have u tried also add an instance of prev-lang:kbd in respective 7C43...9F82 NVRAM's Delete session?

iMac 19,2 (10.15.4) + Win 10 @ OpenCore UEFI Dual Boot

H310M-S2P | i3 8100 | 16GB DDR4 | UHD 630 + RX 580 (PowerColor) | ALC887 | Realtek RTL8118 | TP-Link WN781ND

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I am also at same problem . No luck with this

Both clover and open loader making the same problen.

Update: 

Set iMacPro19,2 in config.plist 
and prev-lang:kbd => en:US:0

Then reset nvram from opencore if still not work.

After that, everything is working flawlessly with gpu also.spacer.png

 

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On 11/18/2020 at 3:05 PM, mahinnz said:

I am also at same problem . No luck with this

Both clover and open loader making the same problen.

Update: 

Set iMacPro19,2 in config.plist 
and prev-lang:kbd => en:US:0

Then reset nvram from opencore if still not work.

After that, everything is working flawlessly with gpu also.spacer.png

 

Did this, to no avail. Still grey screen after verbose. Also, where should I edit the iMacPro19,2, is it in the General? Thanks

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On 11/16/2020 at 11:40 AM, BroFi$h said:

i already try this step but still grey

And if i have a laptop with open core same issue ?

On 11/15/2020 at 2:32 AM, MaLd0n said:

EFI Premade folders https://tinyurl.com/ybr968w3

 

Go to NVRAM tab, erase Value in prev-lang:kbd and change Type to DATA . Reset NVRAM one time.

cDkQyAM.png

if don't work inject 656e2d55533a30 properties. Reset NVRAM one 

And if i have a laptop with open core same issue what should i do?

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9 hours ago, omarhaya said:

And if i have a laptop with open core same issue what should i do?

Use -igfxvesa to install system in nvram.

OS: macOS Big Sur 11.1 (20C69) - Dell Inspiron 5468 - Processador: i5 7200U 2.5ghz - Mem: 8 GB DDR4 - SSD: 240 GB - Big Sur - SSD: 120 GB - Windows 10 - Rede: Realtek RTL8102E - Vídeo: Intel HD 620 Full+HDMI audio- WiFi: Dell DW1020a (Broadcom)

OpenCore Vanilla Guide - https://tinyurl.com/ycvcnp8h  

Clover Vanilla Guide - https://tinyurl.com/ydhgntcz

EFI folders for all Chipsets - https://tinyurl.com/ybr968w3 

Olarila Vanilla Images - https://tinyurl.com/y3vz4z6x

 

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9 hours ago, omarhaya said:

And if i have a laptop with open core same issue what should i do?

a good video patch

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i'll update soon

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4 hours ago, SHAHRYARGHAYOOR said:

“Update cannot be installed” and its grey after earesing in utility disk

Check Olarila Tutorials and Useful Links!

-OpenCore Vanilla Guide
https://tinyurl.com/w3d4yrk

-Clover Vanilla Guide
https://tinyurl.com/hxu2v9wm

-Useful Links
https://tinyurl.com/43t5m6d4

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