It can be really frustrating to use a computer on which the Wi-Fi keeps disconnecting and prevents you from accessing the internet.
The reason for this problem could be due to the Network Adapter on your computer being switched OFF, outdated or corrupted network drivers and other reasons.
How to Prevent Wi-Fi from Disconnecting in Windows 10
If your computer is frequently disconnecting from Wi-Fi, start by restarting the computer to rule out the possibility of the problem being caused due to a stuck program or process.
If the problem still persists, you can follow other troubleshooting steps as provided below to fix the problem of Wi-Fi connectivity on your computer.
1. Update Network Adapter Drivers
In many cases, the problem of Wi-Fi disconnecting randomly from a Windows computer can be fixed by updating Network Adapter driver on your computer.
1. Right click on Start button and click on Device Manager.
2. On the Device Manger Screen, expand Network Adapters entry > right-click on the Wi-Fi Adapter and click on Update Driver Software option.
Tip: If you see multiple entries, look for something that has Network, 802.11b or Wi-Fi in it.
3. On the next screen, select Search automatically for updated driver software option and follow the on-screen prompts to install the updated driver software (if available) on your computer.
2. Run Internet Troubleshooter
You can trust the built-in Internet Connections Troubleshooter in Windows 10 to find and fix the problem of Wi-Fi connectivity on your computer.
1. Go to Settings > Update & Security > select Troubleshoot in the left-pane. In the right-pane, scroll down and click on Additional Troubleshooter.
2. On the next screen, select Internet Connections and click on Run the troubleshooter button.
3. Follow the Onscreen Instructions to fix Network connectivity issues on your computer.
3. Reset TCP/IP
1. Right-click on Start button and click on Command Prompt (Admin).
2. In Command Prompt window, type netsh winsock reset and press the Enter key.
3. Similarly, type netsh int ip reset and press the Enter key
Close the Command Prompt window, restart your computer and see if the problem is now fixed.
4. Prevent Computer from Turning OFF Wi-Fi Adapter
The problem of computer frequently disconnecting from Wi-Fi could be due to the computer automatically switching OFF the Wi-Fi Adapter in order to conserve power.
1. Right-click on the Start button and click on Device Manager.
2. On Device Manger screen, expand Network Adapters entry > right-click on Wi-Fi Adapter and click on Properties.
Tip: In case you see too many entries, look for something that says Network or 802.11b or has WiFi in it.
3. On Properties screen, select the Power Management tab and disable Allow the computer to turn off this device to save power option.
4. Click on OK to save this setting on your computer.
Now your computer won’t be able to Turn OFF the Wi-Fi Adapter, which should fix the Wi-Fi connectivity problem on your computer.
5. Disable Hotspot 2.0 Networks
The Wi-Fi Sense feature in Windows 10 is known to cause WiFi Connectivity problems.
1. Go to Settings > Network & Internet.
2. On the next screen, click on WiFi in the left-pane. In the right-pane, scroll down and disable Let me use Online Sign-up to get connected option.
Restart your computer and see if the problem of Wi-Fi Disconnecting from your Windows 10 computer is now fixed.
6. Connect Automatically & Make Wi-Fi Network Private
Follow the steps below to make the computer connect automatically to Network and also make it discoverable on your Home Wi-Fi Network.
1. Go to Settings > Network & Internet and click on your Wi-Fi Network.
2. On the next screen, enable Connect Automatically when in range and set your Wi-Fi Network type as Private.
Note: If you are interested, refer to this guide: Difference Between Public And Private Network in Windows 10
7. Set Low Roaming Sensitivity
Setting Low Roaming Sensitivity prevents your computer from trying to connect to other available networks.
1. Go to Settings > Network & Internet > Change Adapter Options.
2. On the next screen, right-click on your Wi-Fi Network and click on Properties.
3. On Wi-Fi Properties screen, click on the Configure button.
4. On the next screen, select the Advanced tab and set Roaming Aggressiveness value to Lowest or Medium-low level.
Your computer will now have a low tendency to disconnect from Wi-Fi and try to connect to other networks.