Your Windows PC has a working internet connection—as long as you’re tethered by an Ethernet cable. Unplug it, and the Wi‑Fi symbol shows a globe with a disconnect symbol. This maddening scenario, where wired internet works but wireless doesn’t, is one of the most common support headaches for Windows 11 and Windows 10 users. The good news: it’s rarely a hardware failure or an ISP outage. It’s almost always a software misconfiguration or a router hiccup that you can fix yourself.

The Symptom: Wired Works, Wireless Doesn’t

When Ethernet delivers a stable connection but Wi‑Fi fails, your internet service is almost certainly fine. The modem and the ISP’s line are doing their jobs. The problem sits squarely in the wireless chain: the PC’s Wi‑Fi adapter, the Windows network stack, the saved Wi‑Fi profile, or the router’s wireless configuration. Understanding this separation is key. It means you’re not battling a total outage; you’re solving a puzzle whose pieces are all reachable from your keyboard.

On Windows 11 and 10, the wireless subsystem is a tightly woven collection of services, drivers, and settings. A single corrupted registry entry, a driver that slipped into a power-saving coma, or a stale network profile can break the link while the Ethernet port hums along unaffected. Microsoft has steadily modernized the troubleshooting tools—the Get Help app on Windows 11 is now the front door for network diagnostics—but the underlying complexity means that a methodical, step‑by‑step approach still beats frantic random clicking.

First, Check the Obvious

Before you dive into Device Manager or the command prompt, scan the basics. On the taskbar, click the network icon. Is Wi‑Fi toggled on? In Windows 11, you’ll see a tile for Wi‑Fi; if it’s grey, click it to enable. Windows 10 users will find a Wi‑Fi button in the network flyout. Both operating systems also have a software Airplane mode that disables all radios. Open Settings > Network & internet > Airplane mode and make sure it’s off.

Many laptops include a physical wireless switch or a function‑key shortcut (often Fn + a key with an antenna icon). These can be bumped accidentally—especially on 2‑in‑1s or devices that travel in bags. If Wi‑Fi vanished after a meeting or a commute, check the hardware switch first. It’s a simple step that saves you from chasing software gremlins that don’t exist.

Is It Your PC or the Whole Network?

A single Windows PC refusing Wi‑Fi while your phone connects fine tells you the router’s wireless radio is alive. Grab another device—a tablet, a second laptop, a phone—and connect to the same SSID. If that works, focus on the affected PC. If no wireless device can connect but Ethernet works, the router’s Wi‑Fi configuration or radio has likely gone awry.

In that case, restart the network gear, but in the right order. Unplug the modem and router power cables. Wait at least 30 seconds. If the modem has a battery backup, pull that too. Then plug the modem back in first, and let its status lights stabilize. Only then reconnect the router and give it a few minutes to re‑establish the wireless network. This clears transient memory errors in the router’s firmware without factory‑resetting your ISP credentials or custom settings. For combination modem‑router units, one power‑cycle sequence is enough.

Windows’ Built‑In Wi‑Fi Fixers

Microsoft recognized years ago that networking failures are too common to leave to manual prodding. On Windows 11, the Get Help app houses the official Network and Internet troubleshooter. Open Start, search for Get Help, launch the app, and type “network and internet.” The automated diagnostic will check the wireless adapter state, attempt to reset the connection, and suggest corrective actions. It’s not magic, but it often catches the low‑hanging fruit like a stuck adapter or a disabled service.

For Windows 10, the old‑school troubleshooter still lives at Settings > Network & Internet > Status > Network troubleshooter. It performs a similar sequence of resets.

A more powerful weapon is the command‑line network stack reset. Open Command Prompt as administrator and run:

netsh winsock reset
netsh int ip reset
ipconfig /release
ipconfig /renew
ipconfig /flushdns

Restart the PC afterward. These commands clear corrupted Winsock entries, reset the TCP/IP stack, and renew the IP lease. They don’t remove saved networks or drivers, so they’re a safe middle ground before you reach for the nuclear options.

When the Adapter Itself Goes Rogue

If the Wi‑Fi option is missing entirely from Settings or the taskbar, the adapter is likely disabled or its driver has crashed. Right‑click Start, open Device Manager, and expand Network adapters. Look for an entry with Wi‑Fi, Wireless, WLAN, or a chipmaker name like Intel, Realtek, MediaTek, or Qualcomm. If it shows a down‑arrow icon, right‑click and choose Enable device. If you see a warning triangle, double‑click to view the Device Manager error code—it often hints at a driver problem.

A stopped WLAN AutoConfig service can also hide Wi‑Fi. Press Win + R, type services.msc, find WLAN AutoConfig, and restart it. This service is the engine behind wireless connectivity; without it, Windows won’t scan for networks.

Driver updates are the next logical step. Start with Windows Update: Settings > Windows Update > Check for updates, then look under Advanced options > Optional updates for any wireless or network driver packages. Install them and restart. If that fails, right‑click the adapter in Device Manager and choose Uninstall device, optionally checking “Attempt to remove the driver for this device.” After a restart, Windows will re‑detect and reinstall the adapter with a fresh driver stack.

For laptops that lose Wi‑Fi after sleep or idle periods, a power management quirk is often to blame. In Device Manager, right‑click the Wi‑Fi adapter, select Properties > Power Management, and clear the checkbox that says Allow the computer to turn off this device to save power. This prevents the adapter from dozing off when you need it awake.

Router Settings That Secretly Block Wi‑Fi

When the PC’s software is ruled out but the problem persists across multiple devices, turn your attention to the router. Sign in to the router’s administration page (often at 192.168.1.1 or 192.168.0.1) and verify:

  • Wi‑Fi radios are enabled. Some routers allow you to turn off the 2.4 GHz or 5 GHz band independently.
  • SSID broadcast is on. A hidden network isn’t always visible; if you’re connecting manually, make sure the PC’s Wi‑Fi profile exactly matches the SSID—including case.
  • MAC filtering isn’t blocking your device. If you’ve enabled access control, the PC’s MAC address must be on the allowlist.
  • DHCP is enabled and the address pool isn’t exhausted. An ipconfig showing a 169.254.x.x address on the PC means it failed to get an IP; the router’s DHCP server might be the culprit.
  • Security mode compatibility. Older devices that only support 2.4 GHz and WPA2 will fail to connect to a 5 GHz‑only network or one set to WPA3‑only. Many routers broadcast separate SSIDs per band for this reason.

Also, check the router manufacturer’s app or web dashboard for firmware updates. Netgear, ASUS, TP‑Link, and others push updates that fix subtle wireless bugs. Don’t download firmware from third‑party sites—stick to the official source.

The Nuclear Option: Network Reset

When all else fails, Windows offers a full network reset. Go to Settings > Network & internet > Advanced network settings > Network reset on Windows 11, or Status > Network reset on Windows 10. Click Reset now and confirm. This removes every network adapter—including VPNs and virtual switches—and reinstalls them to factory defaults after a restart. It’s disruptive but effective against deep corruption that survives the netsh commands.

After the restart, you’ll need to rejoin your Wi‑Fi network and re‑enter its password. Also, once connected, check the network profile: a Public profile is safer on unknown networks, but at home you’ll want Private for full device discovery and file sharing.

A Glimpse of the Future: Wi‑Fi Reliability in Windows

Microsoft continues to refine how Windows handles wireless connections. The migration of the network troubleshooter into the Get Help app on Windows 11 hints at a future where diagnostics are more automated and cloud‑aware. Meanwhile, the ongoing rollout of Wi‑Fi 7 support and the eventual retirement of Wi‑Fi 5 (802.11ac) will force driver updates that could introduce temporary instability. Staying current with Windows Update—and, when safe, opting into optional driver updates—remains the most practical defense.

In the short term, this Ethernet‑works‑Wi‑Fi‑doesn’t scenario will keep appearing. Hardware makers release new laptops with bespoke driver packages; every Windows feature update resets some hidden settings. But the fixes remain remarkably consistent. Arm yourself with the sequence above, and you’ll spend less time staring at a disconnected globe icon and more time actually using your untethered PC.