Windows 7 media does not natively recognize the USB 3.0 controllers on the EliteDesk 800 G2. You must inject the Intel USB 3.0 drivers into your Windows 7 ISO installation media using tools like Rufus or the Gigabyte Windows 7 USB Installation Tool before installing the OS.
This guide provides a for every driver you need for the HP EliteDesk 800 G2 (Mini, SFF, or Tower) running Windows 7 64-bit. We’ll cover chipset, audio, network, storage, graphics, and specialty drivers, plus troubleshooting tips. hp elitedesk 800 g2 drivers windows 7 64 bit hot
This is where most people get stuck. The Intel I219-LM Ethernet adapter does NOT have native Windows 7 drivers. You need a modded or specially released HP driver. Windows 7 media does not natively recognize the USB 3
Since support for Windows 7 has officially ended, navigating driver pages can be tricky. You need a modded or specially released HP driver
: Use the Intel Windows 7 USB 3.0 Creator Utility to inject these drivers into your installation USB drive before starting. Driver Packs
The EliteDesk 800 G2 uses integrated Intel HD Graphics 530 (or optional discrete AMD Radeon).
The MEI driver allows the operating system to communicate effectively with the motherboard's built-in platform firmware.