Wi-Fi connection issues are one of the most common problems on laptops and PCs. Most often, a faulty or outdated network adapter driver is to blame. Reinstalling the driver helps in 80% of cases where Windows doesn't detect the network, constantly drops the connection, or displays the "No connections available" error. But how do you do this correctly to avoid making the situation worse?
In this article you will find step-by-step instructions How to remove the old driver and install a new one—both manually and automatically. We'll cover the nuances for different versions of Windows (10 and 11) and tell you where to download official drivers for popular adapters (Intel, Realtek, Qualcomm Atheros, Broadcom), and we'll warn you against common mistakes. And if Wi-Fi still doesn't work after reinstalling, there's help at the end of the article. diagnostic checklist with solutions for 90% of cases.
Signs of a faulty Wi-Fi driver
Before reinstalling, make sure the driver is indeed the problem. Here are the key symptoms:
- 🔴 Wi-Fi icon missing in the taskbar (or it is crossed out with a red cross).
- 🔄 Constant connection breaks — the network appears and disappears, although everything is stable on other devices.
- ⚡ Error "No connections available", although the router is working and other gadgets are connected.
- 🐢 Very low speed (1-2 Mbit/s) with a tariff of 100+ Mbit/s.
- ❌ Error code 10, 28, 31, or 43 V
Device Managernext to the network adapter.
If you recognize any of these signs, the driver is likely corrupted, outdated, or conflicting with the system. Before reinstalling, check the following basics:
⚠️ Attention: Sometimes the problem is not in the driver, but in hardware failure adapter (for example, after dropping a laptop). If Wi-Fi doesn't work after reinstalling the driver, try connecting an external USB adapter. If that doesn't work either, the problem is with the router or ISP.
Also make sure that Airplane mode is off (click Win + A (And check the quick action bar). If everything is in order, we proceed with the reinstallation.
Step 1: Uninstall the old Wi-Fi driver
Many people skip this step and simply update the driver over the old one. This gross error — remnants of the previous version may conflict with the new one. To avoid problems, the driver must be completely remove, including "tails" in the registry.
There are two ways to do this:
Method 1: Via Device Manager
- Click
Win + Xand select device Manager. - Expand the section
Network adapters. - Find your Wi-Fi adapter (usually has the words in its name Wireless, Wi-Fi, 802.11 or a model, for example Intel AX200).
- Right click and select
Remove device. - Check the box
Remove the driver software for this device(this is critical!) and confirm.
Method 2: Using the Display Driver Uninstaller (DDU) utility
If standard removal does not help or the driver is stuck in the system, use the utility DDUIt removes drivers. at the registry level, which ensures a clean installation:
- Download DDU from the official website Wagnardsoft (for free).
- Run the utility in safe mode (click
Win + R, entermsconfig, go to the tabLoadingand check the boxSafe mode). - IN DDU select
Network→ your adapter → clickClean and restart.
⚠️ Attention: After uninstalling the driver, Wi-Fi will stop working until you reboot. Don't worry—this is normal. If you're using a laptop, connect to the internet via an Ethernet cable or a mobile hotspot on your phone to download the new driver.
Save important files (in case of failure)
Connect a backup Internet connection (Ethernet/USB modem)
Remember the adapter model (screenshot from Device Manager)
Download the DDU utility (if standard uninstallation doesn't help) -->
Step 2: Where to download the official Wi-Fi driver
Never download drivers from third-party sites (like driverpack.io or drp.su)! They often contain viruses, adware, or outdated versions. Here official sources for popular brands:
| Adapter manufacturer | Link to the official website | How to find a driver |
|---|---|---|
| Intel | intel.ru | Support section → enter the adapter model (e.g. AX201) → download PROSet/Wireless Software. |
| Realtek | realtek.com | Go to Downloads → Communications Network ICs → Wireless LAN ICs. |
| Qualcomm Atheros | qualcomm.com | Chapter Support → enter the model (e.g. QCA61x4). |
| Broadcom | broadcom.com | Chapter Downloads → select the adapter series (e.g. BCM43xx). |
| Unknown manufacturer | Laptop manufacturer's website (HP, Lenovo, ASUS etc.) | Enter your laptop model → “Drivers” section → download Wireless LAN. |
If you don't know the adapter model, look it up in Device Manager (before removing the driver!) or use the utility HWiNFOAn alternative is to download the driver from Equipment ID:
- Open
device Manager→ right-click on the adapter →Properties→ tabIntelligence. - Select
Equipment ID→ copy the first line (for example,PCI\VEN_8086&DEV_2723). - Enter this ID into a search engine - the first results will lead to the manufacturers' websites.
Step 3: Installing the new driver
Now that the old driver is removed, you can install the new one. There are three options—choose the one that suits you best:
Method 1: Automatic installation via Windows Update
The simplest method, but it doesn't always provide the latest driver version:
- Open
Parameters(Win + I) →Updates and Security→Windows Update. - Click
Checking for updates. - If Windows finds a driver for your adapter, it will be installed automatically.
- Restart your PC.
The downside of this method is that Windows often installs universal drivers, which may be unstable. If Wi-Fi still doesn't work after rebooting, try the following method.
Method 2: Manual installation of the downloaded driver
If you downloaded the driver from the manufacturer's website, install it as follows:
- Unzip the archive with the driver (if it is in the format
.zipor.rar). - Run the setup file (usually
setup.exeorinstall.exe). - Follow the instructions of the installation wizard (usually you just need to click
Next). - Restart your computer.
If the driver is in format .inf (without installer), do this:
- Open
device Manager→ right-click on the computer (top line) →Update hardware configuration. - Windows will detect a new adapter → right-click on it →
Update driver. - Select
Search for drivers on this computer→ specify the folder with the unpacked driver.
Method 3: Installation via command line (for experienced users)
If the driver refuses to be installed using standard methods, try forced installation via PNPUTIL:
pnputil /add-driver "C:\path\to\folder\with\driver\*.inf" /install
Replace the path with the actual one. After running the command, restart your PC.
Step 4: Check Wi-Fi after reinstallation
After rebooting, check if Wi-Fi is working:
- 🔍 Look at the network icon in the taskbar - if it is active and shows available networks, the driver is installed correctly.
- 📶 Try connecting to your network. If it asks for a password, enter it and check the speed. speedtest.net.
- 🔧 Open
device Managerand make sure there is no exclamation mark next to the adapter.
If Wi-Fi is not working, please do the following: diagnostics:
- Right-click on the network icon →
Troubleshooting. - Follow the system's recommendations. Windows often detects and fixes the problem itself.
⚠️ Attention: If your Wi-Fi speed has dropped after reinstalling the driver, check your router settings. Your adapter may now support a more modern standard (e.g., Wi-Fi 6), but the router operates in compatibility mode (802.11n). Go to the router's web interface (usually192.168.1.1) and turn on the mode802.11ac/ax.
What should I do if Wi-Fi disappears after sleep after reinstalling the driver?
This problem is common with some adapters. Intel And Realtek. Solution:
1. Open device Manager → adapter properties → tab Power management.
2. Uncheck the box Allow the computer to turn off this device to save power.
3. Update your motherboard BIOS (for laptops, visit the manufacturer’s website).
4. If it doesn’t help, roll back the driver to an older version (tab Driver → Roll back).
Step 5: Troubleshooting Common Post-Reinstallation Issues
Even after reinstalling the driver correctly, problems may still occur. Here are the most common ones and their solutions:
| Problem | Possible cause | Solution |
|---|---|---|
| There is Wi-Fi, but no internet access. | Incorrect IP or DNS settings | Open Network parameters → Configuring adapter settings → right click on Wireless network → Properties → select IP version 4 → check the boxes Obtain IP and DNS automatically. |
| The network keeps breaking down | Conflict with software (antivirus, VPN) | Temporarily disable your antivirus and VPN. If the problem persists, add the network adapter to the exceptions list. |
| Slow Wi-Fi speed | The adapter operates in 802.11n mode instead of 802.11ac/ax | Set a fixed standard in the router settings or update the router firmware. |
| Error: "Driver not designed for this platform" | The driver downloaded is not for your Windows bit version (x64 instead of x86) | Check the bit depth of your system (Parameters → System → About the program) and download the correct driver version. |
If none of the solutions helped, try roll back the system to a restore point created before reinstalling the driver. To do this:
- Click
Win + R, enterrstruiand pressEnter. - Select a restore point 1-2 days before the Wi-Fi problems occurred.
- Confirm the rollback and wait for the reboot.
Step 6: Alternative Ways to Restore Wi-Fi
If reinstalling the driver doesn't help, the problem may be deeper. Here are some other things you can try:
- 🔄 Reset network settings:
- Open
Parameters→Network and Internet→State→Network reset. - Click
Reset nowand confirm.
- Open
- 🖥️ Checking Windows Services:
sc config Wlansvc start= autonet start Wlansvc(Run these commands in Command Prompt as Administrator.)
- 🔧 BIOS update:
An outdated BIOS version may block the Wi-Fi adapter from working. Download the latest firmware from the motherboard manufacturer's website (for laptops, from HP, Lenovo etc.) and update the BIOS.
- 🔌 Checking the hardware:
If Wi-Fi doesn't work even after all the steps, the problem might be physical damage to the adapter (for example, after a laptop falls) or disconnected antenna cable (Applicable to PCs). In this case, only a service center can help.
- Open
device Manager→ adapter properties → tabDriver→Roll back. - If rollback is not available, click
Update driver→Search this computer→Select a driver from the listand select an older version. - By adapter model: look at it in
Device Manager(chapterNetwork adapters). - By equipment ID: in the adapter properties, go to the tab
Intelligence→Equipment ID→ Copy the first line and search for it on Google. - By laptop/motherboard model: If the adapter is built-in, download the driver from the device manufacturer's website (for example, Lenovo or ASUS).
- Roll back the driver to the previous version (tab
Driver→Roll back). - Download the driver from the manufacturer's website laptop, not an adapter (they often optimize drivers for specific models).
- Disable the feature
Green EthernetorEnergy Efficient Ethernetin the BIOS settings. - Download the latest version of the driver from the manufacturer's website.
- Remove the old driver via DDU (in safe mode).
- Install the new driver and restart your PC.
- complete failure of the adapter;
- blue screens of death (BSOD);
- conflicts with other devices.
⚠️ Attention: The BIOS and web configurator interfaces of routers may differ depending on the model and firmware version. Always consult your device's documentation, especially when updating the BIOS—incorrect steps can damage the motherboard.
Checklist: What to do if Wi-Fi still doesn't work
If the problem persists after all these steps, follow this checklist:
Check if Wi-Fi is enabled on your laptop (Fn + F2/F12 or hardware switch)
Make sure the router is working (the lights are on, other devices are connecting)
Try connecting to a different network (for example, using your phone as an access point)
Disable your VPN, antivirus, and Windows Firewall
Check if parental controls or corporate policies are blocking the connection (relevant for work PCs)
Update your router's firmware (instructions are usually on a sticker on the back of the device)
Try connecting an external USB Wi-Fi adapter (if it works, the problem is in the built-in adapter) -->
FAQ: Frequently asked questions about reinstalling the Wi-Fi driver
Is it possible to reinstall the Wi-Fi driver without the internet?
Yes, but to do this you need to download the driver to another PC in advance and transfer it on a flash drive. An alternative is to use compatibility mode for the old driver (if it's in the system). To do this:
How do I know which driver I need for my adapter?
There are three ways:
After reinstalling the driver, my Wi-Fi performance has gotten worse. What should I do?
The new driver is likely not optimized for your device. Try this:
Do I need to reinstall the driver after updating Windows?
Not always. Windows 10/11 usually updates drivers automatically via Update Center. However, if after a major update (for example, with Windows 10 21H2 on 22H2) Wi-Fi has stopped working. Reinstalling the driver may help. In this case:
Is it possible to use a driver from another adapter?
Categorically not recommendedDrivers are strictly tied to the chip model, and installing an incompatible driver may result in:
The exception is adapters on the same chip, but with different names (for example, Intel AX200 And AX201). In this case, the driver may be suitable.