How to Reinstall Your Network Adapter Driver in Windows 11

When reinstalling the driver actually helps

A reinstall helps when the problem is broken software state, not hardware: the adapter shows up in Device Manager with a yellow warning or an error code, behaves erratically after a Windows update, or holds settings that no amount of toggling clears. Windows keeps copies of drivers in the Driver Store (C:WindowsSystem32DriverStoreFileRepository), which is why an uninstall-and-reboot usually ends with the same driver installed fresh — corrupted state gone, device re-enumerated. If the adapter is completely absent from Device Manager instead, the problem is usually hardware, BIOS settings or a disabled device, and reinstalling software fixes nothing.

Symptoms that respond well to a reinstall follow a pattern. They start after an update or a sleep/wake cycle, they survive reboots, and they affect exactly one interface while the other one works. Work out which situation you are in before starting, because the fix differs: a flaky driver wants a reinstall, a missing adapter wants a hardware check.

• The adapter shows a yellow warning in Device Manager with an error code (10, 31, 43, 56) — driver state is broken
• Wi-Fi worked yesterday and vanished after a Windows update — classic collateral damage of a driver swap
• The connection drops after every sleep/wake cycle — the driver fails to reinitialize
• Settings shows the adapter as disabled, and enabling it sticks for seconds — reinstall before blaming hardware
• The adapter is entirely missing from Device Manager — check BIOS and hardware before touching drivers

Reinstalling, step by step

Open Device Manager (Win+X → Device Manager), expand Network adapters, right-click yours and choose Uninstall device. In the confirmation dialog, leave the checkbox “Attempt to remove the driver for this device” unticked for now — a plain uninstall removes the device but keeps the driver package, so Windows simply reinstalls the same driver. Restart the PC; if you want to skip the restart, use Action → Scan for hardware changes and the device reappears immediately.

If the plain reinstall did not help, escalate in order: right-click → Update driver → Search automatically for drivers, which can pull a newer driver from Windows Update; then check Settings → Windows Update → Advanced options → Optional updates → Driver updates, where Windows hides the drivers it considers optional; and finally Roll Back Driver on the Driver tab, which exists precisely for the case where an update broke what used to work. Only when the same driver keeps misbehaving after a clean reinstall is it worth downloading a specific driver from the manufacturer — Intel, Realtek and MediaTek publish theirs directly, and laptop makers bundle them on their support pages.

The dangerous checkbox, and when the adapter vanishes completely

The checkbox “Attempt to remove the driver for this device” deletes the current driver package from the Driver Store. Ticking it makes sense only when you already have the replacement driver downloaded — typically an installer from the manufacturer's site — because if Windows finds no driver, the adapter can come back as an unknown device or with error code 28, leaving you offline. If that happens, use another connection: USB tethering from a phone works in a pinch and lets you download the driver directly from the laptop maker's support page.

Old machines often carry ghost adapters — stale entries from hardware that is no longer present. Enable View → Show hidden devices in Device Manager and uninstall the grayed-out network entries; they are harmless to remove, and occasionally they interfere with the live adapter's numbering and configuration. If even a clean reinstall leaves the adapter dead, the last software step is netcfg -d in an administrator terminal — it removes and rebuilds all networking components and bindings — and the honest step after that is hardware: another port, another cable, another card.

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