How to fix computer WiFi not working?

If you’re experiencing computer WiFi issues, it can be quite frustrating. However, before you reach for the phone to call a professional, there are a few steps you can try on your own to troubleshoot and resolve the problem. In this article, we will go over some common solutions to fix computer WiFi not working issues.

How to fix computer WiFi not working?

1. Check your WiFi router: Ensure that your WiFi router is turned on and functioning properly. Sometimes, all it takes is a simple restart to resolve the issue.

2. Verify WiFi settings: Double-check that your computer’s WiFi is turned on and that it is connected to the correct network. Make sure the WiFi password is entered correctly.

3. Restart your computer and modem: Restarting both your computer and modem can help refresh the network connection and fix any temporary glitches.

4. Check signal strength: If you’re experiencing a weak WiFi signal, try moving closer to the router and see if that improves the connection.

5. Update WiFi drivers: Outdated or corrupt WiFi drivers can cause connectivity problems. Visit the manufacturer’s website and download the latest drivers for your WiFi adapter.

6. Disable and re-enable WiFi: In the device manager, disable and re-enable your WiFi adapter to reset the connection.

7. Use Windows Network Troubleshooter: Windows has a built-in troubleshooter that can diagnose and fix common network issues. Go to “Settings” > “Network & Internet” > “Status” > “Network Troubleshooter.”

8. Clear DNS cache: Flushing the DNS cache can help resolve issues with domain name resolution. Open the Command Prompt and type “ipconfig /flushdns” followed by Enter.

9. Disable antivirus/firewall temporarily: Sometimes, security software can interfere with your WiFi connection. Temporarily disable your antivirus or firewall and see if that makes a difference.

10. Reset the router: If all else fails, you can try resetting your WiFi router to its factory settings. Keep in mind that this will erase any custom settings you have made.

11. Contact your Internet Service Provider (ISP): If the issue persists, it could be an ISP-related problem. Reach out to your ISP and ask if there are any known network outages or if they can provide further assistance.

12. Consider alternative WiFi hardware: If you consistently experience WiFi problems, it might be a sign that your WiFi hardware is faulty. In such cases, investing in an external WiFi adapter or a new router could provide a more stable connection.


1. What if my computer can’t even detect WiFi networks?

Try restarting your computer and WiFi router, as well as checking the settings to ensure that the WiFi adapter is enabled.

2. Why does my WiFi connection keep dropping?

This issue can be caused by various factors, such as signal interference, outdated drivers, or router problems. Troubleshoot by updating drivers, changing the WiFi channel, or relocating your router.

3. How do I find out if my WiFi adapter is up-to-date?

Go to the Device Manager, find your WiFi adapter, right-click, and select “Properties.” Then navigate to the “Driver” tab and click on “Update Driver” to check for updates.

4. My WiFi connection is slow. How can I fix it?

You can try moving closer to the router, minimizing signal interference, or switching to a less congested WiFi channel. Additionally, check if other devices on the network are consuming excessive bandwidth.

5. Why does my computer say “Limited connectivity”?

Limited connectivity often indicates a problem with your IP configuration. Try running the network troubleshooter, restarting your modem, or resetting the TCP/IP stack.

6. Can a WiFi extender improve my signal strength?

Yes, a WiFi extender can amplify the WiFi signal and extend its range, potentially improving signal strength in areas that were previously weak.

7. Does my computer need to be near the router for WiFi to work?

While it’s ideal to be in close proximity to the router, WiFi should generally work within a certain range. If you’re experiencing weak signals, consider using a WiFi extender or relocating the router.

8. Is it normal for WiFi speed to vary throughout the day?

WiFi speeds can vary due to network congestion, interference, or peak usage periods. However, significant and consistent speed fluctuations may indicate underlying issues.

9. Are there any alternatives to WiFi for connecting to the internet?

Yes, you can use wired Ethernet connections or mobile data networks (such as 3G, 4G, or 5G) as alternatives to WiFi.

10. Can other devices on the network affect my computer’s WiFi connection?

Other devices connected to the same network can potentially impact the WiFi connection. For example, a device consuming excessive bandwidth could cause slowdowns for others.

11. What should I do if my WiFi adapter is missing from the device manager?

Check if the WiFi adapter is disabled in the BIOS settings. If not, it may be a hardware issue, and you might need to replace the adapter.

12. Can outdated firmware on the router cause WiFi issues?

Yes, outdated firmware can lead to compatibility and connectivity issues. Check the manufacturer’s website for any available firmware updates and install them accordingly.

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