Brand: HP
Model: EliteDesk 800 G3 65W
Mac-Model: iMac18,1
OS: macOS Ventura 13.6
CPU: Intel i5-7500 3.40GHz
RAM: 12GB DDR4 2400MHz
HDD#1: 500GB Solid State Drive SATA
HDD#2: M.2 NVMe Slot Empty
Graphics: Intel HD Graphics 630 1536MB
LAN: Intel NIC
Bluetooth: Intel Bluetooth
Disable Fast Boot
Enable USB Storage Boot
UEFI Boot order, place your bootable macOS installation USB on the first row otherwise you will need to choose it when system restarts by pressing F10 → your USB.
Other settings remain default
Select Legacy Support Disable and Secure Boot Disable
Other settings remain default
Enable Virtualization Technology (VTx)
Disable Virtualization Technology for Directed I/O (VTd)
Enable M.2 SSD if you're using a NVME SSD
Check M.2 WLAN/BT (Uncheck it if have interruption issues)
Check Allow PCIe/PCI SERR# Interrupt (Uncheck it if have interruption issues)
Other settings remain default
Disable Wake on LAN
Set Video memory size to 64MB or larger
Disable LAN/WLAN Auto Switching
Disable Wake on Wake on USB Other settings remain default