Reasons why your computer cannot connect to the Internet or network and how to deal with it

Here are the possible causes and solutions if your computer cannot connect to the internet.
This is advice from the author's experience of building 500 network settings a year.

• (If you suddenly cannot connect) Try restarting your computer.
• Restart your wireless LAN (Wi-Fi) router. (Unplug the power cord, wait about 30 seconds, then plug it back in)
• Checking the LAN cable connection (it often happens that the LAN cable of the wireless LAN router is inserted incorrectly)
• Driver update
  Update the network adapter driver from Device Manager
• Problems with Windows updates, etc.
  Try uninstalling updates or updating the driver.

It's a problem when you can't connect to the internet. It's okay, let's solve it together. In this article, we will explain in an easy-to-understand manner, even for beginners, the reasons why your computer cannot connect to the Internet and how to deal with it.

The reason why your computer cannot connect to the Internet is Windows 10, 11

Point: There are several reasons why your computer may not be able to connect to the Internet. Possible causes for Windows 10 and 11 are as follows.

There are three main reasons for not being able to connect to the Internet:

1. There is a temporary network failure.
   There may be a temporary problem with your line or provider.
   You can check on the homepage of your line carrier or provider.
2. Network adapter issues: Your computer's network adapter may be malfunctioning or may have incorrect settings. This may cause your computer to be unable to access the Internet.
3. Driver malfunction: This may be caused by outdated or corrupted network adapter drivers. If the drivers are not working properly, your network adapter may not function properly and you may experience problems with your Internet connection.
4. OS settings: If the Windows settings are incorrect, you may not be able to connect to the Internet. For example, the network settings may be incorrect or a firewall may be blocking communication.

For example, a situation may arise when you try to connect to Wi-Fi at a friend's house and do not realize that the network adapter is disabled and you cannot connect to the Internet.

There are several reasons why your computer may not be able to connect to the Internet, but the main causes are problems with the network adapter, driver defects, and OS settings. Understanding these issues and taking appropriate steps will help you resolve your internet connection issues.

What to do if your computer cannot connect to the Internet, Windows 10, 11

Point: So, how should we deal with the above causes? Below we will introduce how to deal with it.

To resolve the issue of not being able to connect to the Internet, try the steps below.

1. If there is a temporary connection problem, please wait for a while.
   You can also check the website of your line carrier or provider, so if you can check it on your smartphone, please try it.
2. Troubleshooting your network adapter: Try opening your network adapter's properties from Device Manager and running Troubleshoot. This may help determine the cause of the problem.
3. Update the driver: Try updating the network adapter driver from Device Manager. Updating your drivers may resolve issues with older drivers and allow your network adapter to work properly.
4. Check and correct OS settings: Check the Windows network settings and correct them if necessary. Check your firewall settings, proxy server settings, etc., and fix any problems.

Suppose one day, your internet connection suddenly stops. After updating the network adapter driver in Device Manager, I was able to successfully connect to the Internet. In this way, by taking appropriate measures, you may be able to resolve your Internet connection problems.

Troubleshooting network adapters, updating drivers, and checking and correcting OS settings are effective ways to resolve internet connection issues. Hopefully, trying these will resolve your issue.

How to troubleshoot network in Windows 11

If you are having trouble with your internet connection or network, Windows provides troubleshooting tools. Using this troubleshooter, even amateurs can easily solve problems.
Here's how to troubleshoot your network in Windows 11.

1. Open "Settings" from the Start button.

2. Click "Troubleshoot" from "System".

3. Click "Other troubleshooting" under "Troubleshooting".

4. Click "Run" under "Internet Connection" under "Other Troubleshooting".

5. The "Internet Connection" window will open, so click "Troubleshoot your Internet connection."

6. It will say "Detecting a problem" so please wait for a while.

7. Then follow the troubleshooting instructions.
There are currently no problems with my environment, so I can't write any more, sorry (^_^;

Reasons why your laptop won't connect to the internet and how to deal with it

There are several reasons why your laptop may not be able to connect to the Internet. Let's see how to deal with it.

As with desktop computers, the causes of not being able to connect to the Internet on a laptop computer include problems with the network adapter, driver defects, and OS settings. In addition, there may also be causes specific to laptop computers.

1. Check the wireless switch: Your laptop may have a wireless switch that turns wireless communication on and off. If it is accidentally turned off, you will not be able to connect to the Internet. Make sure the switch is turned on.
2. Check power management settings: Laptop computers may have settings that automatically turn off wireless communication to save power. Please check your power management settings and configure them to prevent wireless communication from turning off.

When I couldn't connect to the Internet on my laptop, I was worried because I didn't realize that the wireless switch was turned off. I solved it by turning on the switch.

As the cause of your laptop not connecting to the Internet, it is important to check the wireless switch and power management settings. You can expect that the problem will be resolved by taking appropriate measures.

Reasons why your computer cannot connect to the Internet even with a wire and how to deal with it

If you cannot connect to the Internet via wire, check the causes and solutions.

The main reasons why you cannot connect to the Internet even with a wired connection are as follows.

1. cable problem: If the LAN cable is damaged or not firmly connected, you will not be able to connect to the Internet. Check the condition of the cable and replace it with a new one if necessary.

2. Router settings: If the router settings are not appropriate, you may not be able to connect to the Internet. Check your router settings and fix any problems.
3. network card problem: If your computer's network card is malfunctioning or incorrectly configured, you may not be able to connect to the Internet. Check the condition of your network card and consider repairing or replacing it if necessary.

Suppose one day you suddenly become unable to connect to the Internet using a wired connection. When I checked the LAN cable, I realized that the cable was damaged. After replacing the cable with a new one, I was able to connect to the Internet without any problems.

If you cannot connect to the Internet via wire, the main cause is often a problem with the cable, router settings, or network card. The problem can be resolved by checking these factors and taking appropriate measures.

If you can't connect to the internet, don't panic and check the causes one by one. Most of the problems should be resolved by trying the solutions introduced in this article. If the problem still persists, we recommend that you consult a specialist.

Reasons why your computer cannot connect to the Internet wirelessly and how to deal with it

Let's take a look at the causes and solutions when you can't connect to the Internet via wireless connection.

The main reasons for not being able to connect to the Internet via wireless connection are as follows.

1. Wi-Fi router problems: If your Wi-Fi router is malfunctioning or configured incorrectly, you will not be able to connect to the Internet. Try restarting your router or checking and fixing your settings.
2. radio wave interference: Other electronic devices (microwave ovens, IH heaters, etc.) or obstacles may block Wi-Fi radio waves, making it impossible to connect to the Internet. If radio interference is the cause, repositioning the router or removing obstacles may improve the problem.
3. PC Wi-Fi settings: If your computer's Wi-Fi settings are not appropriate, you will not be able to connect to the Internet. Please check your Wi-Fi settings and fix any issues.

When I couldn't connect to the Internet due to Wi-Fi, I tried restarting the router. Then, you can now connect to the Internet successfully.

If you cannot connect to the Internet via wireless connection, the main causes are problems with your Wi-Fi router, radio wave interference, or your computer's Wi-Fi settings. The problem can be resolved by checking these factors and taking appropriate measures.

Reasons why your computer suddenly won't connect to the Internet and how to deal with it

If you suddenly become unable to connect to the Internet, you may not know what caused it. I'll show you how to deal with such situations.

There are various reasons why you suddenly cannot connect to the Internet, but the following solutions are effective.

1. Restart your computer:Try restarting your computer once. In many cases, restarting may resolve the issue.

2. restart router: Restarting your router may resolve connection issues. Try turning off the power, wait a few minutes, and then turn it on again.
3. NeUsing network troubleshooting: Windows has a feature called network troubleshooting. It automatically detects problems and attempts to fix them.

Example: One day, I suddenly couldn't connect to the Internet. After restarting my computer, I was able to connect to the Internet without any problems.

Even if you suddenly become unable to connect to the Internet, there are easy solutions you can try, such as restarting your computer or router, or using network troubleshooting. Calm down and try them one by one.

Next, let's take a look at the causes and solutions if your computer can't connect to Wi-Fi but your smartphone can.

Causes and solutions when your computer cannot connect to Wi-Fi but your smartphone can

If your computer can't connect to Wi-Fi, but your smartphone can connect without any problems, let's take a look at the causes and solutions.

The following are the main possible causes for this situation:

1. Problems with computer Wi-Fi settings: If your computer's Wi-Fi settings are incorrect, you will not be able to connect to the Internet. Please check your Wi-Fi settings and fix any issues.
2. Computer network adapter problems: If your network adapter is malfunctioning or the driver is outdated, you may not be able to connect to the Internet. Check the status of your network adapter and repair or update the driver if necessary.

I was able to connect to Wi-Fi on my smartphone, but not on my computer. When I checked the Wi-Fi settings on my computer, I discovered that the problem was due to incorrect settings. After correcting the settings, I was able to connect to the Internet successfully.

If your computer cannot connect to Wi-Fi, but your smartphone does, this is often due to a problem with your computer's Wi-Fi settings or network adapter. The problem can be resolved by checking these and taking appropriate measures.

Causes and solutions for computers that are connected to Wi-Fi but cannot connect to the Internet

If you are connected to Wi-Fi but cannot connect to the Internet, let's take a look at the causes and solutions.

The main causes of this situation are:

1. DNS server issues: If your DNS server is not working properly, you will not be able to connect to the Internet. Try changing your DNS server.
2. centreFirewall settings: If your computer's firewall is blocking Internet connection, you will not be able to connect. Please check your firewall settings and make sure your internet connection is not blocked.
3. Impact of viruses and malware: If your computer is infected with a virus or malware, you may be unable to connect to the Internet. Scan your computer using antivirus software and remove any viruses or malware found.

I was connected to Wi-Fi but couldn't connect to the Internet, so I tried changing the DNS server and was able to connect to the Internet without any problems.

If you are connected to Wi-Fi but cannot connect to the Internet, this is often caused by DNS server issues, firewall settings, or the effects of viruses or malware. The problem can be resolved by checking these and taking appropriate measures.

Summary of reasons why your computer cannot connect to the internet and how to deal with it

Point: Let's summarize the causes and solutions for computers not connecting to the Internet.

There are various reasons why your computer won't connect to the internet, but the following solutions are effective.

1. Restart your computer or router
2. Using network troubleshooting
3. Check and correct Wi-Fi settings
4. Checking and repairing network adapters/updating drivers
5. Change DNS server
6. Check firewall settings
7. Virus and malware removal

There are many reasons why your computer won't connect to the Internet, but there is a high possibility that the problem can be resolved by trying the appropriate solutions. Find the specific cause and take countermeasures. It is also important to regularly check and maintain your computer's settings and condition.

Through all the items, we have explained the reasons why your computer cannot connect to the Internet and how to deal with it. We hope that this information will help you solve your problems. If you are having trouble, please refer to this article.

Now, I hope you can enjoy the Internet smoothly. Let's enjoy the world of computers and the Internet together!