<< Solved >> HP 450 G4 Freeze when I plug the HDMI Cable.

[oronfel2911]

Hello, I have HP Probook 450 g4 Running OpenCore Catalina really well everything works except HDMI.
I decided to buy a big screen to contact the with HDMI, but I figured out that every time I plug the HDMI into my Laptop the laptop freeze and I had to restart it.
EFI Folder Attached Please help.

Thanks

 

[oronfel2911]

Any help!

 

[Feartech]

Any help!

try adding device-id -> 16590000

post 2 of my guide in my signature

 

[oronfel2911]

try adding device-id -> 16590000

post 2 of my guide in my signature

I Added device-id -> 16590000, I rested and cleaned the NVRAM, and still having the same issue, I think the laptop still reading the old EFI older no the edited one.

 

[Feartech]

I Added device-id -> 16590000, I rested and cleaned the NVRAM, and still having the same issue, I think the laptop still reading the old EFI older no the edited one.

suggest to remove your all data settings and start off with just the ig-platform and device-id if needed

then have a read up on:

An iDiot's Guide To Lilu and its Plug-ins

An iDiot's Guide To Lilu and its Plug-in's Last Update: 22nd Jan 2021 (Add note about OpenCore config.plist modifications) About this Guide Note: This guide was written when Clover was the boot loader of choice as such the config.plist examples in this guide are mostley Clover specific ... if...

www.tonymacx86.com

and also:
https://github.com/acidanthera/WhateverGreen/blob/master/Manual/FAQ.IntelHD.en.md

there is also a setting you can enable for hdmi fix that may also work

 

[oronfel2911]

I fixed it by changing the ig-platform to 16590000 and added some framebuffer as the picture below