# How to Fix Windows 11 Can't Connect to This Network Error

URL: https://www.mytechnician.tech/tips/fix-cant-connect-to-this-network-windows-11/
Published: 2026-05-19 | Updated: 2026-08-10 | Author: Ankit Kumar
Tags: Windows 11, Network, Wi-Fi, Fix
Summary: Wi-Fi password is right but Windows says can't connect to this network? Forget the profile, reset the adapter, and fix driver and security mismatches.
Recommended app: Network Traffic Monitor & Analyzer — https://www.mytechnician.tech/apps/network-monitor/ (Microsoft Store: https://apps.microsoft.com/detail/9NGCWN2BKVSC?hl=en-us&cid=mytechnician-web). Optional; every step below uses built-in Windows tools.

## The Problem
You select your network, enter the password, and Windows immediately returns **Can't connect to this network**—often before it has had time to attempt authentication. A wrong password is only one possibility. Stale saved profiles, WPA3-only routers, and broken drivers all produce the same unhelpful message.

> **It connects but keeps dropping?** See [Wi-Fi keeps disconnecting](https://www.mytechnician.tech/tips/fix-wifi-keeps-disconnecting-windows-11/). This guide is for when joining fails outright.

## Symptoms
* Connection fails within a second or two, with no "incorrect password" prompt.
* The same network works on a phone; only this PC refuses.
* It started after a router change, a Windows update, or a driver install.
* Other networks—a phone hotspot, for example—connect normally.

## Step 1: Forget and Rejoin
Windows caches a network profile including the security type. When the router changes, the stale profile no longer matches and Windows fails instantly rather than adapting.

1. **Settings** → **Network & internet** → **Wi-Fi** → **Manage known networks**.
2. Select the network → **Forget**.
3. Turn Wi-Fi off, wait ten seconds, turn it back on.
4. Select the network and re-enter the password carefully—watch for Caps Lock and for a router that has both a 2.4 GHz and 5 GHz SSID with different passwords.

This alone fixes a large share of cases, and it is the first thing to try after any router change.

## Step 2: Power-Cycle Both Ends
1. Unplug the router for 30 seconds and let it fully restart.
2. On the PC choose **Restart**, not **Shut down**—Fast Startup restores the same broken adapter state on a shutdown.

A stale DHCP lease causes instant rejections on some mesh systems, and a router reboot clears it.

## Step 3: Check the Router's Security Mode
Windows adapters vary in what they accept, and a mismatch produces this exact error.

In the router's wireless settings:

* For testing, set **WPA2-PSK (AES)**. Avoid **WPA/WPA2 mixed with TKIP**, which older Windows drivers handle badly.
* If the router is **WPA3-only**, either update the Wi-Fi driver from Intel, Realtek, or Qualcomm, or switch the router to **WPA2/WPA3 transitional** so older adapters can join.
* Check the channel width and band. Some adapters fail on 160 MHz channels or on DFS channels in the 5 GHz band—setting 80 MHz and a non-DFS channel is a good test.
* Confirm **MAC address filtering** is off, or that this PC's MAC is on the allow list. Note that Windows 11 uses **random hardware addresses** by default, which breaks MAC filtering—turn that off per-network in **Wi-Fi** → the network → **Random hardware addresses**.

## Step 4: Reset the Adapter
1. **Device Manager** → **Network adapters** → right-click the Wi-Fi adapter → **Disable device** → wait ten seconds → **Enable device**.
2. Still failing? **Uninstall device**, tick **Attempt to remove the driver** only if you have a replacement ready, then restart.
3. Install the driver from your laptop or motherboard maker rather than a generic package. On Intel adapters, install the full Wi-Fi package, not just what Windows Update offers.

Also open **Properties** → **Power Management** and untick **Allow the computer to turn off this device to save power**.

## Step 5: Reset the Network Stack
In **Terminal (Admin)**:

```cmd
netsh winsock reset
```
```cmd
netsh int ip reset
```
```cmd
ipconfig /flushdns
```

Restart before testing.

To clear every stored profile at once:

```cmd
netsh wlan delete profile name=* i=*
```

That forces a clean rejoin to every network, which is a heavier version of Step 1.

## Step 6: Full Network Reset
**Settings** → **Network & internet** → **Advanced network settings** → **Network reset** → **Reset now**.

This removes and reinstalls every network adapter and restores default settings. You will lose saved VPN profiles and Wi-Fi passwords, so export anything you need first. Restart, then rejoin.

## Special Cases
* **Hidden SSID:** **Manage known networks** → **Add network** → type the exact name and security type. Also tick **Connect even if this network is not broadcasting**.
* **Corporate or university Wi-Fi:** enterprise networks need a certificate or a configuration profile from IT. None of the home fixes apply, and repeated failed attempts may lock the account.
* **USB Wi-Fi dongle:** move it to a rear motherboard port, away from USB 3.0 devices, which interfere with 2.4 GHz.
* **After a Windows feature update:** check **Device Manager** for a driver Windows replaced with a generic one, and reinstall the vendor's.

## Isolating the Fault in One Test
Create a simple WPA2 hotspot on your phone and try to join it.

* **PC joins the hotspot** → the adapter and driver are fine, and the problem is your router's configuration or band settings.
* **PC fails there too** → the adapter, driver, or Windows networking stack is at fault. Steps 4 to 6 are where the fix lives.

Related: [fix No Internet, secured](https://www.mytechnician.tech/tips/fix-no-internet-secured-wifi/) and [fix slow Wi-Fi speeds](https://www.mytechnician.tech/tips/fix-slow-wifi-speeds-windows-11/).

---
Source: https://www.mytechnician.tech/tips/fix-cant-connect-to-this-network-windows-11/ — My Technician, free Windows 10/11 troubleshooting guides.
Related tool: Network Traffic Monitor & Analyzer (Network Traffic Monitor & Analyzer shows real-time bandwidth usage, active connections, and per-app network traffic on Windows 10 and 11.) — https://www.mytechnician.tech/apps/network-monitor/
More guides: https://www.mytechnician.tech/llms.txt