Networking
Ethernet Driver Missing After Installing Windows
A fresh Windows installation may leave the wired network controller unidentified. But an Ethernet cable that is unplugged, a failed router port or a USB dock issue can produce the same practical symptom: no internet. First determine whether Windows has a usable adapter.
Start with the connection you are using
Check the cable is seated at both ends and connected to a router LAN port. If available, try a known-working cable or port. A link light is a useful observation, but it does not prove that internet access or a correct driver is available.
Decide whether the socket belongs to the computer, a USB Ethernet adapter or a docking station. A dock's network chip may need the dock manufacturer's software rather than the laptop's built-in LAN package. Record that distinction before visiting support.
Inspect the controller in Device Manager
Open Device Manager from the Start right-click menu. Check Network adapters first, then Other devices for an Ethernet Controller or unknown entry.
- Open Properties → General and read the status. If Code 28 appears, a driver is not installed. If the adapter reports working properly, investigate the connection instead of assuming it needs replacement software.
- For an unidentified controller, open Details → Hardware Ids. Identify the motherboard or PC model as well; these are complementary pieces of evidence.
- For a USB adapter, check its product model and the manufacturer's supported Windows versions. If it is not enumerated at all, inspect the USB connection before searching for a LAN driver.
Recover without a working network
On another connected PC, use the official support page for the affected computer or motherboard. Choose its LAN/Ethernet package for the installed Windows version and architecture. For an external adapter or dock, start with that product's official support.
Copy the package to a USB drive and follow the provider's instructions. If the model's support notes require chipset software first, follow that documented order; do not assume every computer needs the same sequence. Keep a copy of the network package so it is available if a later installation interrupts connectivity.
Avoid downloading a generic bundle based only on a chip vendor's name. A similar-looking controller is not a reliable compatibility match. DrvBeacon's Manual Driver Finder can open official support independently of the computer on which you are browsing; it does not guarantee a direct executable match.
Check what changed
After any requested restart, inspect the same controller and try the wired connection. If the driver is present but Windows says the cable is disconnected, return to the physical connection checks. If the cable is detected but internet is unavailable, run the Network and Internet troubleshooter or consult the network administrator.
On managed work PCs, network access may also depend on organization configuration. Do not alter corporate network settings or disable endpoint protections to test a driver. Share the status code and official package version with IT. Once online, Windows Update can check for applicable driver updates; installing every optional package is not a troubleshooting plan.
Choose your next step
Use the evidence you collected. The Manual Driver Finder works for another PC without a scan. A scan of this PC requires the local Windows scanner; check scanner availability and setup first. DrvBeacon reads information and never installs a driver automatically.
Driver status and official actions · Hardware report overview
Related guides
Official references
Original guidance by DrvBeacon. Consult these providers for current Windows and hardware instructions.
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