How to fix a laptop unable to connect to wifi
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How to fix a laptop unable to connect to wifi


Sometimes when using a laptop, sometimes Wi-Fi glitches for unknown reasons, which makes you very uncomfortable. Especially when the work needs are urgent. The following technical steps will fix some common problems and make your Wi-Fi network work more smoothly.

Solutions

  • 1. Restart the laptop or restart the WiFi transmitter
  • 2. Delete the WiFi network and reconnect
  • 3. Refresh the IP address
  • 4. Assign a static IP address
  • 5. Turn off Battery saving mode
  • 6. Scan the entire computer for viruses
  • 7. Adjust WiFi location
  • 8. Reinstall Windows on the computer

1. Restart the laptop or restart the WiFi transmitter

The first solution Quantrimang.com offers is that you restart your laptop or WiFi transmitter. You should always think of this way first when encountering errors on the computer, because it solves a lot of minor errors. The reason for this is that sometimes a long computer runs, which causes a file error, or a software conflict during use.

The WiFi transmitter is similar, probably because you have been using it for a long time, resulting in minor problems. Disconnect the power for a few minutes and then plug it back in to see if that fixes the problem.

If it doesn’t work, then follow up with the next solution.

2. Delete the WiFi network and reconnect

This method usually applies when your WiFi connection is exclamated or limited.

Step 1: Click on the WiFi icon in the lower right corner of the Taskbar to open the list of WiFi networks.

Step 2: From the list above, locate the WiFi you want to delete and right-click. In the menu that appears, click Forget to forget / delete this network.

Click Forget to forget / delete the WiFi network once connected
Click Forget to forget / delete the WiFi network once connected

Step 3: That WiFi will immediately be removed from your computer. Now click on the WiFi icon and reconnect.

Check to see if the error still exists or not!

3. Refresh the IP address

In some cases, the error of not connecting to WiFi on laptop is because your device conflicts with IP address. In this case, please renew the IP, change to a different IP range to fix the error. How to do the following:

Step 1: Open Command Prompt, first enter cmd in the Seach Start Menu or on the Taskbar, then right-click and select Command Prompt Run as administrator.

If you use Windows 10 with the latest versions then the button Run as administrator will appear as soon as you search out Command Prompt.

Open Command Prompt in Windows 10 new version
Open Command Prompt in Windows 10 new version

Click here Yes If on the screen appears the User Account Control message.

Step 2: On the window Command Prompt, Type the following command and press Enter to delete the old faulty IP:

ipconfig /release
Enter the command in the Command Prompt window
Enter the command in the Command Prompt window

Step 3: Type the following command to get a new IP range:

ipconfig /renew

Step 4: Restart the computer for the system to record changes.

4. Assign a static IP address

It is still an IP conflict problem, the same address with another device on the LAN, this will cause one of the two computers to be lost or both. So try assigning a static IP address to your network.

Quantrimang.com has instructions on how to change static IPs for computers, please refer here: How to assign static IP addresses in Windows 7, 8, 10, XP or Vista

5. Turn off Battery saving mode

The battery saving mode on the computer has also been studied as one of the reasons why the computer fails to connect to WiFi on laptops. So, try turning this mode off to see if it can fix it.

Step 1: Open a command window Run by pressing the key combination Windows+R.

Step 2: Here you enter the following command and then click select OK, got it

ncpa.cpl
Type ncpa.cpl in the Run command window and click OK
Type ncpa.cpl in the Run command window and click OK

Step 3: A window appears on the screen Network Connection. Here, right-click on the WiFi you are using, select the option Properties.

Right-click on the adapter you use, and select the Properties option
Right-click on the adapter you use, and select the Properties option

Step 4: At the line Client for Microsoft Networks, you choose Configure …

Select Configure ... at the Client for Microsoft Networks line
Select Configure … at the Client for Microsoft Networks line

Switches to the tab Power Management and make sure to uncheck the item Allow the computer to turn off this device to save power.

Uncheck Allow the computer to turn off this device to save power in the Power Management tab
Uncheck Allow the computer to turn off this device to save power in the Power Management tab

Step 5: Click here OK, got it and close Wi-Fi Properties.

If Wifi is still disconnected, follow the solution below.

6. Scan the entire computer for viruses

This is considered the most common reason why the WiFi network cannot be connected on the laptop. The main reason is because you visit websites that contain malware and use insecure cracked software but do not have antivirus programs to protect your computer.

You can fix this by using a reliable antivirus program to scan your entire system.

Check out the list of best antivirus software at: 9 most effective antivirus software for Windows today

7. Adjust WiFi location

In the living room, WiFi signal is strong, but moving to another room is a common phenomenon. The cause is many, cordless phones and devices using the 2.4GHz band may cause interference.

In addition to the glass mirrors in the room is also a cause. Therefore, you should check the items next to the computer, check the antenna outside the router and also check for firmware updates for the router.

8. Reinstall Windows on the computer

If none of the above fixes the error, you may need to reinstall Windows from scratch to fix this problem. Rest assured that this solution will not lose any data on your computer. However, to be sure, you should still copy the contents of the folder and transfer to an external hard drive.

This process will reset all PC settings, just like restoring to factory settings will only keep your files.

Refer to how to do it here: Reset Windows 10 to its original state

It is also possible that some browsers fail, so try with all your local browsers. A faulty WiFi card is also a cause of computer loss. At that time, you bring the laptop out of the store to repair and replace.

Above are some ways to fix laptop error cannot connect to WiFi. If there is a more effective way, please share with Quantrimang.com by commenting below the article.

Good luck!

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