Computer Can't Find Wi-Fi - How To Fix Connectivity Problems

Your computer can’t find Wi-Fi? I’ll show you how to resolve this.

This issue can have multiple causes, including software glitches, outdated or corrupted drivers, incorrect network settings, or hardware malfunctions. Fortunately, this guide covers all the solutions.

Joten sukellaan sisään!

Nopeat korjaukset

Start with these steps first:

• Käynnistä Wi-Fi-reititin uudelleen: Power cycle your router by turning it off for 10 seconds, then turning it back on to refresh the connection.
• Ensure your Wi-Fi is turned on: Double-check that your router is plugged into power and working.
• Käynnistä tietokone uudelleen: Tap the Start menu > Power > Restart.
• Kokeile Ethernet-kaapelia: Connect your computer directly to the router with an Ethernet cable to bypass Wi-Fi issues and restore internet access.
• Turn on the Wi-Fi button on your computer: Some computers have a physical button or switch that you have to turn on.

Enable Wi-Fi Service

First, make sure that you haven’t turned off the Wi-Fi feature by mistake. Follow the steps below:

1. paina Windowsin avain + I avata Asetukset. 
2. Napauttaa Verkko ja Internet > Verkon lisäasetukset.

3. Make sure the Wi-Fi button reads “Disable.” If not, tap “Enable.”

Turn on the WLAN AutoConfig Service

WLAN AutoConfig is a crucial Windows service that manages your computer’s wireless networks. If this service is turned off or not functioning properly, do this:

1. lehdistö Windows + R avataksesi Suorita-valintaikkunan. Tyyppi services.msc ja osuma enter.

2. Vieritä alaspäin WLAN AutoConfig in the Services window, double-click it, and set the Startup type että automaattisesti.

3. If the service isn’t running, right-click on it and tap Aloita.

4. Napauta käyttää ja sitten OK tallentaaksesi asetukset.

Päivitä verkon ohjain

An outdated or corrupted network driver is one of the most common reasons why your computer might not be able to find Wi-Fi networks. Here’s how to päivitä se:

1. Napsauta hiiren oikealla painikkeella Aloita valikkoon ja valitse Laitehallinta.

2. Laajenna Verkkosovittimet section. Right-click on your Wi-Fi adapter and select Päivitä ohjain.

3. Valita Etsi ohjaimia automaattisesti. Windows will look for the latest ones online.

Vaihtoehtoisesti voit käyttää PC HelpSoft -ohjaimen päivitysohjelma. This tool automatically scans and updates your drivers, streamlining the process and saving you time.

After updating, restart your computer and check if Wi-Fi networks are visible.

Run the Internet Connections Troubleshooter

Windows has a built-in troubleshooter that can automatically detect and resolve many common network issues. Follow the steps below:

1. Press the Windows Key + I to open Asetukset. 
2. Vieritä ja napsauta vianmääritys.

3. valita Other trouble-shooters.

4. Napauttaa ajaa vieressä Verkko ja Internet button. Follow the prompts to let Windows diagnose and fix potential problems with your connection.

Reset TCP/IP Stack

Sometimes, network settings can become corrupted, preventing your computer from properly detecting Wi-Fi networks. Resetting the TCP/IP stack often resolves these issues. Here’s how:

1. paina Windows-näppäin + X, napauta sitten Pääte (järjestelmänvalvoja).

2. Tyyppi netsh int ip reset ja osuma enter.

After the command completes, restart your computer to reset the TCP/IP stack.

Nollaa verkkoasetukset

If you’re still having trouble connecting to Wi-Fi, try restoring all networking components to their default settings. Follow the steps below:

1. paina Windowsin avain + I avata Asetukset.
2. Mene Verkko ja Internet on the left sidebar, scroll down, and click on Verkkoasetukset.

3. Alle Lisää asetuksiavalitse Verkon nollaus.

4. Napauta Nollaa nyt ja vahvista valintasi.

After the reset, confirm if you can find Wi-Fi.

Check Wi-Fi Adapter Power Settings

Sometimes, your Wi-Fi adapter may be set to power-saving mode, which can cause it to stop scanning for available networks. Disabling power-saving features might help:

1. avoin Laitehallinta again (right-click Start > Laitehallinta).
2. Alle Verkkosovittimet, right-click your Wi-Fi adapter and select Kiinteistöt.

3. Napauta Power Management välilehti. Poista valinta "Salli tietokoneen sammuttaa tämä laite virran säästämiseksi" ruutuun ja napsauta OK tallentaa muutokset.

This ensures your Wi-Fi adapter is always active and can detect available networks.

Suorita järjestelmän palautus

If none of the above solutions work and the issue started recently, try restoring your system to a previous point in time when the Wi-Fi connection was working. It’s helpful if a recent update or software installation caused the problem. Follow the steps below:

1. Tyyppi "Luo palautuspiste" on the search bar and tap avoin.

2. Valitse järjestelmän palauttaminen.

3. Valitse palautuspiste ja kosketa Seuraava.

4. Napauta Suorittaa loppuun aloittaaksesi palautusprosessin.

After restoring your system, check if your network is visible and working again.

So, now you know what to do if your computer can’t find Wi-Fi. Start with the simple fixes before moving on to more advanced solutions. These steps should help you get your connection back up and running.

Opi myös korjaamaan ongelmia, kuten no Wi-Fi on a new laptop, a malfunctioning adaptertai Wi-Fi constantly disconnecting Windows 11issa.