PCI\VEN_8086&DEV_5044
Ethernet driver
PCI\VEN_8086&DEV_5044 is the Intel Corporation EP80579 Integrated Processor Gigabit Ethernet MAC, an Ethernet device. Without it the wired port shows as an Ethernet Controller under Other devices and the cable does nothing. Get it from Windows Update or your PC maker first; the chip maker's own package is on intel.com.
Device details
| Hardware ID | PCI\VEN_8086&DEV_5044 |
|---|---|
| Device name | EP80579 Integrated Processor Gigabit Ethernet MAC |
| Maker | Intel Corporation (PCI vendor ID 8086) |
| Device type | Ethernet |
| Driver guide | The right Intel Ethernet driver |
| Latest official package | Intel Network Adapter Driver for Windows 11 (Wired_driver_31.3_x64.zip) 31.3, October 16, 2026 |
How to install the driver for EP80579 Integrated Processor Gigabit Ethernet MAC
- Confirm the ID. In Device Manager, right-click the device, open Properties, then Details, and pick Hardware Ids. The first line should start with
PCI\VEN_8086&DEV_5044. - Try Windows Update. Settings, Windows Update, Advanced options, Optional updates. Network drivers may appear here once another connection works, such as Wi-Fi or a phone hotspot.
- Check your PC maker. Enter your model or serial number on its support site and look under Networking or LAN.
- Use the chip maker's package. Intel Network Adapter Driver for Windows 11 (Wired_driver_31.3_x64.zip) on intel.com. Our the right intel ethernet driver guide explains which package fits.
- Restart and check. Plug in the cable and check that Windows shows a wired connection.
Other Intel ethernet IDs
VEN_8086&DEV_37D2Ethernet Connection X722 for 10GBASE-TVEN_8086&DEV_37D3Ethernet Connection X722 for 10GbE SFP+VEN_8086&DEV_37D4Ethernet Connection X722 for 10GbE QSFP+VEN_8086&DEV_5040EP80579 Integrated Processor Gigabit Ethernet MACVEN_8086&DEV_5048EP80579 Integrated Processor Gigabit Ethernet MACVEN_8086&DEV_5502Ethernet Controller (2) I225-LMvPVEN_8086&DEV_5503Ethernet Controller I226-LMvPVEN_8086&DEV_550AEthernet Connection (18) I219-LM
Device names: The PCI ID Repository, public data. We never host driver files: downloads come from the maker.