OC DELL Latitude E6420

ok my friend i have a perfect sollution for you vansmos and luluuu18 too...

I'm not free now friend sorry....so please waiting to tell you what you should do

With my respects and big thanks too

Hi everyone,

i m so glad and proud of you.you can now install macOS big sur.

for the graphic problem

and before we explain the solution please forget the 4mo or 512mo or 1024mo...etc

our macOS big sur detect our screen as a monitor not an intel or Nvidia graphic ok

the solution is first download this tool

https://www.macupdate.com/app/mac/62265/hackintool

after that go to display

and see this pics

use the kext in your open core efi and activate it on your list

boot your dell

here we go to the final step

go to monitor preference and etalonat it at maximum you see a full hd graphic now

At the end use this app to see your screen pixel

https://apps.apple.com/us/app/easyres/id688211836?mt=12

like me here

this is my usb tp link and i will send to you the last pkg v5 because the factory pkg don't wotks on macos big sur

you are welcome and not at all

this is the pkg and sorry it v7 not v5

https://github.com/chris1111/W…r-Adapter/releases/tag/V7

thank you too and it's a great pleasure for me....

Ok luluuuu18 i will go step by step because your dell e6520 have not the same screen as e6420

Have you dowloda this tool

You are the best my friend

Upload me your kext

I will do that for you

I wish you do like that before you do the kext choose IMacdisplay

after add the kext into kext efi open core...you should add that on your config.plist with open core configator

boot the pc and all is done ok...

luluuuu18 bonjour mon ami tu as fais u tres beaux bolo just waiting for your efi folder ok....

Pour configurator on utilise celui de opencore not clover notez bien ca dans le cas ou tu veux modifier your efi....

Wait just wait

Have a nice day

Salut luluuuu18,

voici ton kext monitor e6520

copies le sur le dossier kext efi et remplacer l'ancien ok.

puis redémarrer le pc

puis vas au apple monitor preferneces et faites commes les images ci dessous

attention en deuxième étape décocher "utiliser le point blanc natif" et fais toi moi modifier la bar de 6000 au 9500

faire la suite des étapes jusqu'au écran étalonné et vola tu as maintenant un écran lcd iMac full hd pour te rassurer voici un lien comme intel and Nvidia mais pour écran lcd telecharge le et il te donnera pixel

c'est un mètre a ruban écran lcd Mac ok

https://apps.apple.com/us/app/easyres/id688211836?mt=12bonne chance