Laptop error on WiFi and how to fix it successfully 100%

On Windows 7 and Windows 8 operating systems, we sometimes encounter wifi problems such as computers that cannot connect to wifi, or laptops that catch wifi but cannot access the network. Usually the simple and first solution you can think of is to restart the wifi transmitter or restart your computer. If not, then you need to learn more:

Cause the computer does not receive Wifi?

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There are many causes of laptop failure to access wifi, some of the most common errors are:

-  Not turn on Wifi broadcast feature on Laptop

-  The computer does not have the Wifi driver or the old Wifi driver and the operation is not stable

-  Cause from the router, the wifi transmitter that your computer is receiving the signal

- For win 10, the laptop error could not catch wifi win 10 because previously it had installed a VPN client software to configure Fake IP address, causing Windows 10 to misunderstand it as an error.

- Because the computer is infected with a virus

Some basic errors and how to fix them

1. Check if Wifi broadcast is turned off?

First, please check if the computer has turned off the reception / reception feature of Wifi not, each computer will have a different location. Users often forget this step and security is the error that the laptop cannot access the wifi

2. Restart the computer before doing the next steps

The reason may be that the computer works for a long time, so it leads to errors, or in the process of using Windows, there is a software conflict, a file error .

3. Wifi icon has a red x sign and the signal column is blurred

This error is usually because your computer is lacking Wifi Driver, so you need to install additional drivers for your computer to receive Wifi signal.

4. Wifi error is not displayed, when you click on the Wifi icon does not show the network list

Cause:  You have previously installed a VPN software to configure fake IP, leading to operating system misunderstanding as an error.

How to fix: 

- Step 1: Right-click  This PC  => select Manager => select  Device Manager  =>  Network adapters  =>  Wireless  =>  Uninstall device

Next, right-click  Network adapters  /  Scan for hardware changes  to automatically install the new Driver

- Step 2: Restart the computer

- Step 3: In a bad case, if after restarting the computer and still not working, please continue with the following steps

Start  =>  Run  => type  cmd  =>  reg delete HKCRCLSID {988248f3-a1ad-49bf-9170-676cbbc36ba3} / va / f

Continue typing the command  netcfg -v -u dni_dne

Finally restart the computer

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5. Turn off battery saving mode when using Wifi on laptop (Save Power)

- Step 1: Right-click the network icon on the Taskbar =>  Open Netwok and Sharing Center  =>  Change adapter settings

- Step 2 Right-click on the connecting Wifi icon => select  Properties

In the  Client for Microsoft Networks series,  select  Configure .

- Step 3: Switch to the tab  Power Management  => uncheck the  Allow the computer to turn off test device to save power  => click  Ok

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6. Computer has a yellow exclamation error

7. Wifi network error Limited

- Method 1: Restart the computer and reconnect

- Method 2: Right-click on the name of the currently connected Wifi network => select  Forget this network  to re-enter the password

- Method 3: Reset static IP address for the computer

- Method 4: Restart TCP / IP

Start  =>  Run  => type  cmd  =>  netsh int ip reset | Enter  => Reset the computer

- Method 5 Reset TCP / IP Autorunning

Start  =>  Run  => type  cmd  =>  netsh int tcp set heuristics disabled | Enter 

=>  netsh int tcp set global autotuninglevel = disabled | Enter

=>  netsh int tcp set global rss = enabled | Enter

=>  netsh int tcp show global | Enter

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8. Due to the Router, your Wifi transmitter has a problem

The reason for the laptop not being able to access the wifi is also probably because your Wifi transmitter has been using for a long time, leading to the error, to fix this problem, please turn off the Router for about 3 minutes and then turn it back on.

9. Laptop computer can not catch Wifi of your home may also be caused by a virus

The cause is due to a virus, refer to how to remove viruses  here

10. Computer still can't catch Wifi, what to do

In the case that after you have installed a new Windows, installed the driver fully and then still no longer possible, the high probability is the problem with the wifi card. You should take it outside the store to have it inspected, repaired and replaced.

Windows 7 computer error does not catch the wifi

With laptop error can not access wifi on windows 7 can be due to many causes so to fix there are many different ways.

a. Method 1:

-  Step 1 : Select  Start  | Control Pane l | Network and Internet  | Network and Sharing Center  | Change Adapter Settings

-  Step 2 : Right-click  Local Area Connection  | Select  Properties  | Select  Configure  | Select the Advanced tab 

-  Step 3 : Check  Network Address  and change the value by entering 12 random digits (Example: AAAAAAA)

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-  Step 4 : Select  OK.

b. Method 02:

The problem of laptop not being able to access wifi is also because you are using some antivirus program. Here are the steps to fix this wifi error when using the AVG Internet Security 201x antivirus program.

-  Step 1 : Select  Start  | Control Panel  | Network and Internet  | Network and Sharing Center  | Change Adapter Settings

-  Step 2 : Right-click  Local Area Connection  | Select  Properties  | Select  Configure

-  Step  3: Uncheck  AVG network Fillter driver  | Choose  OK.

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c. The third way:

-  Step 1 : Select  Start  | Run  | Enter  Services.msc  |  Enter

-  Step 2 : Go to  Id_String2.6844F930_1628_4223_B5CC_5BB94B87 9,762  in the list

-  Step 3 : Right-click and select  Properties  | Select  Disabled  | Select  STOP  | Select  Apply

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-  Step 4 : Restart

d. The fourth way:

To fix laptop cannot access wifi on Windows 7, you can restart Wireless Zero Configuration service by: Select  Start  | Control Panel | Administrative Tools  | Select  Services.

Or you can use the services.msc command   in the Run window to navigate to the Wireless Zero Configuration service and restart it in case it hasn't been started yet.

e. The fifth way:

This way you need to apply after the laptop has found a network to connect to. Normally Windows 7 will display a message that allows you to choose how wifi network connection works. Instead of choosing Puplic, choose Work Network.

f. The 6th way:

If you have tried all 5 above methods but still have not fixed the error of the laptop not being able to access the wifi, continue with the following method:

-  Step 1 : Select  Run  | Type  CMD

-  Step 2 : A dialog box appears and type  Ipconfig / flushdns  | Hit  Enter

-  Step 3 : Type i pconfig / release  | Press  Enter  to delete old IP address

-  Step 4 : Type  Ipconfig / renew  | Press  Enter  to apply for an IP address again

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If you've done all of the above and still can't connect to wifi, try removing the driver and reinstalling, and check if your wireless device is broken or not.

How to fix laptop cannot access wifi win 8 / Windows 8.1 / Windows 10:

After Windows 7, Windows 8 and Windows 8.1 were well received by users in Vietnam. However, many of you have the problem of laptop failure to access wifi after installing, although you have tried every means to fix it. When you check in the Device manager, there is no message missing drivers and when reinstalling the old version of Windows this situation completely disappears. So, what is the cause of this situation? How to fix them?

Fix computer error can not catch wifi win 8

a. Cause win 8 cannot catch wifi:

All laptops have wifi off mode, so you may be leaving your laptop OFF and maybe you are keeping it in Save Power mode, resulting in the laptop not being able to catch wifi. win 8. Because then the drivers that you are cramming into laptops are not compatible with the IP skin level for the touch device because the machine is in airplane mode.

b. To fix the problem of laptop not being able to access wifi on Windows 8, you need to perform the following steps:

- Turn on Wifi again on the laptop or turn off the laptop's battery saving mode.

- Turn off Wifi Router again for about 10 minutes (if possible you should always configure the wifi router again).

* Fix laptop not access to wifi for the flight mode of Windows 8.1 operating system, you need to reinstall the compatible Drivers of the computer with Windows 8.1 operating system, you can access the company's homepage (your laptop brand) then download the standard Drivers and install it.

* Simple operations to turn off Battery saving mode on Laptop computers

-  Step 1 : Right-click the wifi connection icon in the lower right corner of the screen | Select  Open Network and Sharing Center  | Select  Change Adapter Settings.

-  Step 2 : Right-click  Local Area Connection  | Select  Properties  | Select  Configure

-  Step 3 : Select the Power Management tab   and uncheck the  Allow the computer to turn off this device to save power.

-  Step 4 : Click  OK.

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Some tips to help enable wifi effectively

1. - Redefine the appropriate location to set Modern
2. The ideal place for your Modem is open, airy and away from metal or electronic devices.
3. - Change Wifi signal channel
4. If your Wi-Fi network is in conflict with another network, it may interfere and reduce your Wi-Fi signal. To fix this, you need to change your Wi-Fi channel in the router's configuration page. You can switch to channels with the least conflict, or channels without any Wi-Fi network in use
5. - Repeater equipped - Signal repeater
6. You will need to use a second router as an access point to extend the reach of the network. 
7. If you have a backup router, then there are just a few simple steps to install: Plug the second router into the LAN port of the main router and run its setup utility (set netmask address, gateway, and SSID of The second router is the same as the primary router) and turn off DHCP at the second router
8. - Replace the antenna of the modern
9. You can remove the existing antenna and replace it with an isotropic HGA antenna type. This type of antenna concentrates energy and transmits straight to a certain location. The antenna type operation mechanism is suitable for space missions. However, you need to check if the modem supports the removable port. 
10. - Update the Firmware immediately
11. The easiest way to improve your router's performance is to make sure its firmware and drivers are up to date. You should regularly check the manufacturer's website to download updates to ensure the router is always in the best operating condition.
12. - Try focusing the signal with beer cans
13. The method is quite simple, you use scissors to cut the can of beer cans so that it looks like a radar disc. Turn the cover of the hull of beer over the router antenna and fix it with a little bit of tape, remember to turn the parabolic direction towards the farthest target.
14. - Select the appropriate router antenna setting
15. Set the antenna to face upwards for better reception in the horizontal direction or place the antenna to the side for better longitudinal reception.
16. - Put the router in a position with few people
17. Of course you want to have good Wi-Fi in rooms where people usually focus on living in the house but all of them make the Internet speed slow.

The above is a summary of some laptop errors that cannot access wifi and the remedy of TipsMake.com sent to you. Hopefully, the above suggestions on how to fix it will help you in the process of using a laptop.