How to Fix a Computer That Won't Connect to Wi-Fi

Is your computer refusing to connect to Wi-Fi? Work through these proven troubleshooting steps to get back online — before calling for help.

Category: Troubleshooting | Read time: 3 min | By Midland Computers

Wi-Fi Problems Are More Common Than You Think

Whether your computer suddenly stopped connecting to Wi-Fi, cannot find your network at all, or connects but has no internet, these issues usually have a clear cause. Here is a systematic approach.

Step 1: The Classic Restart

Restart your router and modem first — unplug from power, wait 30 seconds, then plug back in. Wait 2 minutes for it to fully reconnect. Then restart your computer. This resolves the majority of sudden Wi-Fi drop-outs.

Step 2: Check If Other Devices Are Affected

Connect another phone or tablet to the same Wi-Fi. If those cannot connect either, the problem is with your router or internet service — not your computer. Contact your ISP.

If other devices connect fine, the issue is specific to your computer — continue below.

Step 3: Forget and Reconnect to the Network

On Windows, go to **Settings → Network and Internet → Wi-Fi → Manage known networks**, find your network, click **Forget**, then reconnect by entering your Wi-Fi password fresh.

Step 4: Run the Network Troubleshooter

Right-click the Wi-Fi icon in the taskbar and select **Troubleshoot problems**. Windows will run an automatic diagnosis and often fix the issue automatically.

Step 5: Update or Reinstall Wi-Fi Drivers

Outdated or corrupt Wi-Fi drivers are a very common cause of persistent Wi-Fi issues. Go to **Device Manager → Network Adapters**, right-click your Wi-Fi adapter, and select **Update driver**. If that does not work, try **Uninstall device** and restart — Windows will reinstall the driver automatically on the next boot.

Step 6: Reset Network Settings

Open Command Prompt as Administrator and run these commands one at a time, restarting after completing them:

  • **netsh winsock reset**
  • **netsh int ip reset**
  • **ipconfig /release**
  • **ipconfig /flushdns**
  • **ipconfig /renew**
  • Step 7: Check for Windows Updates

    Some Wi-Fi issues are caused by Windows bugs that Microsoft has already patched. Go to **Settings → Windows Update** and install any pending updates.

    Still Not Connecting?

    If none of these steps resolve the issue, there may be a deeper problem — a faulty Wi-Fi card, a corrupted network stack, or a software conflict. These require proper diagnosis by a qualified technician.

    Midland Computers offers expert [networking and internet troubleshooting](/services/networking-issues) for both home users and businesses across Perth. Our technicians can diagnose and fix persistent Wi-Fi problems quickly — including driver issues, hardware faults, and network configuration errors.

    [Book a repair online](/book-repair) or [contact our team](/contact) and we will get you connected again.