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Applied update and my 5700XT works much better.

I am using an Atheros Card. The patch was provided in the GitHub Repo. Not sure about your BT or Wi-Fi unfortunately. Have a play with some Broadcom kexts in the others folder.

https://github.com/d4vinder/HP-zBookPro-G1-macOS-Catalina/ Trackpad issue has been resolved btw

Sweet. May try the newer SMbios to see if it blesses me with any performance enhancements. Thanks.

Tried that, it doesn't work.

Anyone had any luck with this yet?

Check your bios settings with the guide linked in post #1

Suffering no working imessage or facetime since updating to the supplemental 10.15.5 update. I have followed this guide and debugger shows valid configuration. Running out of ideas to try! The Ethernet was set to EN1, so that's been changed back en0, but still no joy. Clover Config looks good...

Is your iMessage and Facetime working after updating to the Supplemental 10.15.5?

My iMessage and FaceTime are broken and won’t sign in after updating to Catalina 10.5.5 supplemental update recently. Same behavior across all my hacks.

I updated to 10.15.5, everything works fine as it did previously except this weird trackpad tracking issue. The Mouse cursor seems to spped up rpidly in one direction or will not accurately point at the selected target. Has anyone else has any issues upgrading to 10.15.5? Clover has been...

Catalina 10.15.4 HP Z620 guide

There's a guide for Z620 owners here. Works on Catalina Using a Thicc III 5700 XT

Buy it! it's ace for 10.15.4 https://github.com/d4vinder/HP-Z620-Hackintosh-macOS-Catalina

Working on Catalina with a 5700 XT https://github.com/d4vinder/HP-Z620-Hackintosh-macOS-Catalina

Works Perfectly.

Hi i have created a working EFI directory for the above mentioned laptop. You can download it here. non-working items: External nvidia display port. SD card reader. working: Everything else.

I only have one processor at the moment I have not tried with dual processor set up on a z620. Can I suggest this USB 3.1 card. It works OOTB iN Catalina. https://www.amazon.co.uk/dp/B0773KH3ZR/?tag=tonymacx86-21

Radeon 5700 XT Thicc iii works a treat. Silent AF. Catalina 10.15.4. There was a config.plist patch that is required, although the 5700 XT is native to 10.15.x you’ll have to add <false/> to “Graphics Injection: ATI” - don’t remove the flag, leave it in as false.

Sold the Radeon VII, my Workstation didn’t support the power consumption therefore I’ve invested in a Thicc III 5700 XT.