This driver download is available for Windows PCs.
At a Glance
DeviceHP Ethernet 1Gb 4 port 331i Adapter
VendorHP
Supported OSWindows
VersionLatest
File Size—
UpdatedOct 29, 2026
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The HP Ethernet 1Gb 4 port 331i Adapter driver lets Windows communicate with HP’s four-port Gigabit Ethernet adapter, enabling wired network connections through its available ports. It is needed when setting up a compatible HP system, reinstalling Windows, or troubleshooting an adapter that appears as an unknown network device.
Key Features
- Wired network connectivity: Enables Windows to recognize and use the adapter’s four Ethernet ports, with speeds up to 1 Gbps per port when connected to compatible equipment.
- Windows network integration: Makes the adapter available to Windows networking tools for configuring IP addresses, checking connection status, and managing individual interfaces.
- Connection troubleshooting: Installing the correct driver can resolve missing-device detection and driver-related connectivity problems.
- Maintenance support: A compatible update may include fixes or improvements to network operation, depending on the driver release and system configuration.
How to Install HP Ethernet 1Gb 4 port 331i Adapter Driver
- Confirm your hardware and Windows edition. Open Device Manager and check the adapter under Network adapters or Other devices. Match its hardware IDs and your system model to the package details. For Windows 11, 10, 8, or 7, verify explicit support rather than assuming one package covers every version.
- Choose a compatible package. Before starting an HP Ethernet 1Gb 4 port 331i Adapter driver download for Windows, review the supported operating systems and architecture. For Windows 10/11, check compatibility with your specific edition and build. Choose the latest version that explicitly supports your hardware and OS.
- Prepare for installation. Save your work and keep the installer locally, since changing a network driver can temporarily disconnect the system. If offered as a free download, verify the package’s source and digital signature before opening it.
- Install the driver. Run the supplied installer and follow its prompts. If the package contains only driver files, extract them, open Device Manager, right-click the adapter, select Update driver, and browse to the extracted folder.
- Restart and test. Restart if prompted, then confirm that the adapter appears without warning icons. Check each connected port and test access to your local network or the internet.
Keep the driver updated when a compatible release addresses a problem or supports changes to your system. Review release notes before you update, and retain a working driver package so you can roll back if connectivity issues arise.
Common Issues and Fixes
- Install fails or rolls back: Use the HP SoftPaq that matches your Windows version and architecture for the HP Ethernet 1Gb 4 port 331i Adapter. Run it as administrator, close HP teaming/Network Configuration Utility, and reboot before retrying.
- Adapter ports not detected: Check BIOS/PCIe slot settings and confirm all four ports are enabled. In Device Manager, scan for hardware changes; if only some ports appear, reseat the adapter and update the HP NIC firmware.
- Version conflict with Windows inbox/teaming driver: Remove the existing HP Ethernet driver and teaming software, reboot, then install the HP package. Do not mix inbox and HP drivers; verify the driver version in Device Manager.
Driver Details
| Device | HP Ethernet 1Gb 4 port 331i Adapter |
|---|---|
| Vendor | HP |
| Category | Network |
| Supported OS | Windows |
| Published | October 28, 2026 |
| Updated | October 29, 2026 |
This driver download is available for Windows PCs.