Wi-Fi is connected, but the Internet does not work. Internet is connected but not working. Installing a Discrete NIC

I welcome you to the blog. Anyone who subscribed to the site's news must have noticed that somewhere a few weeks ago I wrote about what to do if there is no Internet on the computer and the icon appears. For many, this article has even helped to cope with most of the problems somehow related to access to the Internet.

But, here we will analyze this topic in more detail and consider all sorts of inconveniences due to which the Internet pumped through the cable does not work. We will learn how to correctly diagnose the problem and what can be done to fix it, and also, we will figure out in which cases the problem is with the hardware of the computer, and in which with the software part of the system.

Therefore, if you connected the cable to the computer, but there is no Internet, then let's not drag out the rubber and start looking for the cause of this malfunction.

Internet does not work connected via cable or without access to the Internet

Every user who has ever worked at a computer knows that if a yellow triangle appears on the network icon, it means that there are some problems with the connection or it is completely absent. It so happened that users most often encounter this problem when surfing the Internet. So let's start with her.

1. Of course, the first thing I will advise you is the simplest solution to the problem - this is the usual restart of the computer. Perhaps some of this advice will seem strange and stupid, but it is this solution that helps to cope with most problems related to the Internet and not only.

2. Next, we try to pull the cable from the network board, wait a few seconds and insert it back. It should start getting a network address after which the computer will receive an IP and the Internet connection should be restored. If all else fails, don't despair and just move on to the next step.

3. Now, going into network connections, we try to disable " ethernet' and turn it back on. Sometimes this is enough to get rid of the "" icon.

4. If the Internet does not work for you, connected via a cable that connects to the Wi-Fi router on the other side, then in this case we perform the following steps. First, we take out the power (220V) from the router and after a couple of minutes we insert it back, so we will restart the Wi-Fi access point. After that, be sure to restart your computer, everything should work.

I started to encounter a similar problem on my home network, which I haven’t figured out yet, but as a temporary solution I use the option that you just read about.

When I find the reason, I will definitely share it with you in this article in the form of an addition.

5. The next thing to check is the settings for obtaining an IP address. Most providers today works with automatic fetch IP, respectively, the same settings should be set in your connection.

We go to " Network Control Center”, click on network adapters and there we find a network connection.

Having opened the properties, connections, as shown below, double-click on the item " Internet Protocol IPv4».

There, for normal operation, we need to set the points on the parameter " Automatic acquisition of an IP address". We do the same with DNS servers.

Do not forget to fix all changes by clicking on " OK».

If before that the Internet did not work for you, which was connected via cable, then after setting the necessary parameters everything should be fine.

But, on the other hand, there are quite a few providers that use dedicated IP addresses and static network settings. Usually, if this is practiced, then the connected Internet master notifies the user about this and therefore they, in theory, are aware of all these matters.

So, if you use this type of setup, then you should again go to internet protocol IPv4 and instead of the machine, specify the desired addresses. IP, mask, gateway and other values ​​you can find out from the technical operator. support from your provider.

6. And finally, the problems may be from the provider, so be sure to call them and make sure that their equipment in the house works or not, and also that everything is in order with Internet access.

That seems to be all you need to check. If not one point helps you, then write to me with detailed description and we will try to find a solution to the problem together. Also, if I forgot something, I’ll definitely write it here later, here’s something else, if you share with us in the comments some other interesting solution to the problem with a non-working Internet connected via cable, then I will also insert it into this article, as another item.

Internet not working, network cable not connected

Now let's figure out what to do if a red cross appears on the icon in the form of a screen responsible for the network, with a message that the network cable is not connected.

1. Of course, starting from the words of the message, first of all we check whether the cable is tightly inserted into the computer or whether it is inserted at all or not.

If you are using a router, then we check the connection on both sides. If all " OK”, and the cross has not disappeared, then we move on.

2. Notice: “network cable is not connected”, it may also appear from the fact that the network card is simply disabled. To enable it, follow these steps:

After that, the computer should start " Identification» network and get an IP address.

3. After turning on the network board, I also recommend checking the status of " network connection". Since the Internet will not work in the disabled state, but only display all the same warning that the network cable is not connected.

4. So, if everything is turned on and connected, but the Internet still does not work, try to find another network cable and try to connect to the Internet with it. If the screen doesn't care, it will light up network cable is not connected, then most likely the problem is either in the network adapter of your PC, or the provider does not have the equipment installed in your house.

5. Having tried all the tips that were given above, nothing helped you and the Internet connected via cable does not work, then again I recommend that you call the provider's operator and consult with him about the condition of their equipment. If the operator notifies you that there are no problems at the address, then for sure, we can conclude that the Internet is not working precisely because of the network card.

6. Of course, I understand that not everyone can check the connection using another board, but if it is likely that you can do this, be sure to check it, perhaps all the problems are due to it.

7. And finally, you also have the opportunity to call the wizard, from the provider, who will come, tell you what the problem is and help you set up the computer if it was connected with the network ( !!! Master network cards do not change!!! ), or in case of damage cable will make you brand new and plug in where you need it...

Based on these recommendations, you can diagnose your computer and figure out why the Internet connected via cable does not work and easily restore it. I sincerely hope that all my advice will still be useful, and will help you solve all the problems associated with the Internet.

The laptop is convenient in that it has a built-in wifi module and you can do without pulling cables. But sometimes something unpleasant happens - the Internet does not work on the laptop. Let's see why and what to do in this situation.

Why the Internet does not work on a laptop

There may be several reasons:

The first is that you forgot to pay for the Internet, and the provider has limited access. You need to go to your personal account (data from it must be specified in your agreement with the provider) and check the status of the account. There is a connection, but the data is transferred very slowly? Maybe your internet speed was cut off for non-payment. Some companies do this. For example, Beeline or Rostelecom.

The second is interruptions from the provider. If the account is in order and there is money, try to find out if there is a connection in principle. To do this, connect the network cable directly to the laptop and check if the Internet connection is working. No? Check settings:

In the case when you do not have a cable connection at all (you recently changed the OS), then you need to create it. For this you need:

Did not help? Connect the cable to another laptop or PC. If the network appears, your network card may have burned out.
If the Internet does not work on another laptop via a cable, call the technical support of the provider and find out the reason.

The third is poor coverage. When using internet wifi with a 3G or 4G modem, or distributing it from your phone, there may be no network coverage at the point where you are and wifi does not work. For example, on the highway or outside the city. Check your mobile - is there a connection in principle. Wireless Internet on a laptop will not work if the tower is far away.

Fourth - you and your laptop have gone beyond the coverage of your wifi router. For example, you are out of town in the country. The router is installed in the house, and you are trying to catch wifi in the attic, under the roof. Be prepared that the roof will shield the connection or just too much distance (in case of a weak wifi router). Try to get closer to the router. The connection may start working.

Fifth - problems with a wifi router and for this reason the Internet does not work on a laptop via wifi. Try reloading it. To do this, simply unplug its power supply, wait 30 seconds, and plug it back in.

The sixth - the drivers flew off. Check if everything is in order with the software. To do this, go to the device manager and check if there is a yellow exclamation mark on any network adapter. In the screenshot, circled in red where the yellow icon can appear.

If there is one, right-click and select the desired command.


Update drivers.

Seventh - the network adapter is disabled. Hover your mouse pointer over it, right click. If you see the "Enable" command, it means that it was disabled for some reason.


Check all adapters.

Eighth - the wifi settings of the router flew off. Type in the browser the address http://192.168.1.1 (it may be different - look at the router itself) and enter the username and password (most often admin / admin). In the window, check all connection settings:

1. Connection type (taken from the contract or in technical support)
2. Network name
3. Encryption type (WPA2/PSK)
4. Virtual Server Mode Activity Virtual Server Mode - DCHP
   Basically, one of these steps should help you access the network or diagnose the problem.

Once again, we list the main steps if the Internet does not work well on a laptop through a wifi router or it stops working altogether:

1. Check the account - this is often the reason why the Internet is slow on a laptop via wifi.
2. Reboot the wifi router - it could freeze.
3. Check your router's wifi settings.
4. Check the integrity of the cable and plug it into the laptop and check the connection. If it has not been created before, create it. If the connection appears, the problem is in the router or wifi drivers on the laptop. Update them.
5. Try connecting the cable to another laptop or PC. If the connection works, your network card is disabled or it is burned out. If not, it's an ISP issue.

Have a great day!

If devices connect to a Wi-Fi network, but the Internet does not work, you need to determine the cause. The problem may be in the Internet connection itself, in the router or laptop (or other connected gadget).

First, you should check if the Internet is working at all. To do this, the network cable is connected directly to the computer. If the Internet connection does not appear, you should contact the provider. Otherwise, check the settings of the router and devices connected to the wireless network.

To understand that the problem is not in a specific laptop or other connected user gadget, you need to connect other devices to the router, such as a phone, tablet, etc. If other devices also find Wi-Fi, but after connecting the network without access to the Internet (this is indicated on a laptop), sites do not load, then the problem lies in the incorrect settings of the router. If the connection is successful on other gadgets, the sites are loading, then the problem is in connecting a specific device.

How to solve a problem with a laptop, smartphone, tablet.

If only one device says " Unidentified network, no access to the Internet", You need to double-check the settings for the wireless connection to the network. When setting up the router, the user could accidentally change the connection data. You can check the correct settings on a laptop or computer as follows:

1. You need to connect to a Wi-Fi network.

2. Go to the Network and Sharing Center.

3. In the open window on the panel on the right, click "Change adapter settings".

4. In the open window, right-click on "Wireless network connection” and select “Properties”.

5. In the new window, select "Internet Protocol Version 4 (TCP/IPv4)" from the list and click "Properties".

6. In a new window, check if the items “Obtain an IP address automatically” and “Obtain DNS servers automatically” are selected. Check them if necessary and click OK.

7. Reboot OS. After the reboot, the Internet connection should appear. If the network, as before, without access to the Internet, it is possible that anti-virus programs or Firewalls are blocking the connection. Then you should turn them off.

How to solve the problem with the router.

Before setting up the router, you must first return to the factory settings. To do this, press the button on the back of the router and hold it for 10 seconds. After that, you need to go to the admin panel. To do this, enter the following address in the line of any Internet browser: http:// or http:// (TP-link, Dlink). In the window that appears, enter your login and password to enter, usually admin and admin. To fix the router, you need the WAN tab. Here you configure the Internet connection that connects to the router. SND providers use Dynamic IP, Static IP, L2TP, PPPoE, PPTP connections.

For example, Kyivstar uses Dynamic IP, the appropriate settings are set in the WAN section of this provider. If the provider uses another connection, for example, Static IP, then the setting with Dynamic IP will not work; the router will not connect to the Internet in this case. To set the correct settings, you need to find out which connection technology the provider uses. This information can be clarified with the provider itself or viewed on the Internet.

Sometimes providers create a binding to the MAC address, which can also affect the operation of the router. In this case, you need to connect the router via cable to a computer whose MAC address is registered with the provider, find the MAC Clone tab, click Clone MAC Address, and then Save. Update.

There are also situations of the following nature. The user decided to change Windows 8 to Windows 7. Before reinstalling, everything worked fine, but then problems began with connecting to the wireless network, the message “Unidentified network” appeared, that is, the Internet stopped working. To solve this problem, you need to go to the Network and Sharing Center, select Manage wireless networks.

Right-click on the network that you cannot connect to and select Properties. On the Security tab, click on the Advanced Settings section. Select the Enable Federal Information Processing Standard (FIPS) Compliant Mode for this network check box in the menu. This update should help resolve the connectivity issue.

A scary moment when your computer connects to Wi-Fi, but the Internet does not work. Unfortunately, there is no single solution to this problem, as the error may be related to the settings operating system or router.

We have compiled a step by step guide to help you fix the problem.

Where to look?

If you are facing the “no internet access” issue, then you need to look at:

• router
• The device with the problem

If the Internet does not work on all devices connected to the Wi-Fi network, then most likely the problem is with your router / modem. You can also look at the Ethernet cable to make sure it's not broken or twisted.

If the Internet does not work only on the computer, while other devices connect perfectly to the wireless WiFi networks, then the problem is with the Wi-Fi adapter on the computer or again with the router that cannot connect to the computer.

To fix the "no internet access" problem, you can follow the following nine steps. So, let's begin.

1. Restart your computer and router

Yes, I know it sounds silly, but most problems are solved with a simple reboot.

A good reboot is the solution to many problems with software and network connection. Turn off your router (router) and wait 30 seconds before turning it back on. In addition, you should restart your computer to make sure it also works properly. When all devices have rebooted, try connecting again.

2. Check the signal indicators on the router

It is possible that the problem is with your Internet connection and not with your computer. To confirm, you need to check the indicator on the router and make sure it is lit.

Ideally, the lights on the router should be on. in green, and the Wi-FI indicator should blink. If you're unsure about this, contact your ISP's customer support.

3. Use the built-in troubleshooter

If the ISP claims that the Internet is working properly, then the problem is most likely with the WiFi adapter on your device. This can be easily fixed with the built-in troubleshooter that is available by default on Windows.

The built-in network troubleshooter on Windows allows you to solve or at least report most network problems. Right-click the network icon in the taskbar and select " Troubleshooting". Windows will start looking for the problem and how to fix it. If the system cannot fix them, it will let you know what the problem is. After that, you can find a solution on the Internet, or ask in the comments below, we will try to help you.

4. Flush DNS

Sometimes an error in the DNS cache can lead to problems accessing websites and you may think that the internet is down. In this case, you need to flush DNS.

Click on the menu " Start' and enter ' cmd". Next, open a command prompt as an administrator.

A command prompt window will open where you should type " ipconfig/flushdns” and press the enter key ( Enter). This command will clear the DNS cache.

5. Change the wireless mode on your router

If your computer has access to the Internet when you connect the Ethernet cable directly while using WiFi Internet does not work, then the problem may be in the wireless mode.

Routers support multiple wireless modes. For example, you might see characters like 802.11b or 802.11b/g or 802.11b/g/n etc. So, b, g, n and ac are different wireless standards. B is the oldest WiFi standard that covers a smaller area and provides slower data transfer rates, while AC is the latest WiFi standard with wider coverage and 1Gbps network speed.

Generally, most people use wireless mode 802.11b/g/n/. But sometimes older devices (especially older smartphones) do not work with this mode, so they connect to Wi-Fi, but there is no Internet.

One way to fix this problem is to enter the control panel of the router through a computer, then find the section Wireless mode. It's usually in the settings. wireless network (Wireless), where you set the name and password for the Wi-FI network. Next to the wireless mode, you will see a dropdown menu, click on it, select 802.11b and save your changes. Now restart Wi-Fi on the devices that were unable to connect to the Internet and check if the issue has been resolved. If the internet is still not working, try 802.11g wireless mode. If you are still unlucky, then look further for a solution to your problem.

6. Automatically obtain IP and DNS

If your smartphone or computer connects to another Wi-Fi network but does not work with your wireless network, there is a possibility of a DNS or IP address conflict. You can check this by pinging your router via cmd prompt. If you're getting a time out response, then it's most likely an IP address conflict.

Ideally, you should configure your network settings to automatically obtain an IP address and DNS provided by your ISP. This ensures the least amount of conflicts. However, sometimes assigning a static IP address or changing the DNS server can help resolve Internet access issues. Conversely, if you are using a static IP address, then it makes sense to get an IP address automatically. In short, try changing the settings and see if you can fix the problem with accessing the Internet.

To obtain an IP address automatically in Windows, press the keys Windows+R and type " ncpa.cpl in the Run dialog box that opens. When you click " OK”, all your network connections will open. Right click on your network and select " Properties» in the context menu.

Now select " IPversion 4", and press " Properties under her. In the next dialog box, select an option: " Obtain an IP address automatically" And " Obtain DNS Server Address Automatically". Restart your computer and check your Internet access.

7. Problems with the network driver

Sometimes the problem with accessing the Internet lies in the old network driver. To update the network driver on your computer, press the keys Window+R and type " devmgmt.msc". You will open the window " device Manager».

In the menu on the left, expand the " Network adapters and right click on your network. Now select the option " Update drivers", and you will get two options for updating the driver: manually and automatically (online).

Try connecting your computer to your router with an Ethernet cable to access the Internet. If the connection is established, click " Automatic search for updated drivers”, and Windows will automatically find and install the correct driver.

In case you are unable to connect to the Internet via ethernet cable, you will have to manually download the latest driver from the manufacturer's website from another device, and then transfer it to a computer without Internet access. Then select the option " Search for drivers on your computer" to manually install the latest drivers.

8. Reset the router to factory settings

This is a rather tough option, but in most cases it solves all router-related problems. You can reset your router to factory settings. This allows you to fix the problem with accessing the Internet. It also means that you have to reinstall basic settings, password, and other network settings.

You can reset the router to factory settings by pressing the reset button on the router itself. Usually the reset button is hidden inside a tiny hole, so you will need a ballpoint pen or a toothpick. Press the button and hold it for 5-15 seconds until all indicators start flashing.

9. Call your ISP

If none of the methods solved your problem with accessing the Internet, then you should let your ISP. They will consult over the phone, and if necessary, they will send the master to the house.

Summarizing

As I said, there is no single way to solve the problem with access to the Internet. The above tips should help you fix most software related issues. However, if the problem with accessing the Internet is related to the hardware of the computer - for example, a network card or router is broken - then you will have to turn to experienced specialists.

Quite often, when you connect to the Internet, you can see the message "unidentified network without access to the Internet."

Obviously, it indicates that connect to world wide web on this moment impossible.

Moreover, such a message can be seen both when connected directly, via cable, and when connected via wifi. Its appearance does not depend on whether a laptop or a full-fledged PC is used.

Moreover, it can also occur when connected via a phone or tablet. Therefore, it would be useful to understand why such an error occurs and what can be done about it.

We will divide the whole set of tips into two categories - when the system writes such a message when connected directly and when connected via wifi.

Solution. When connected directly

In this case, the error will look like this.

In general, if you are using a direct connection, then the most common cause of such a problem is a problem on the provider's side.

Checking this is very simple - if you did not change any settings, and some time ago everything worked fine, then this is the reason.

You can also check this by connecting the cable to another device or through a router - if the problem persists, this is not the reason.

But if this is still the case, there is only one way to solve it, and it consists in calling your provider and calling a specialist at home.

Invalid IPv4 settings

Another very common cause of this problem in Windows systems is an IPv4 protocol settings failure. To fix this issue, you need to do the following:

• Go to "Network and Sharing Center". This is done very simply - you need to right-click on the network connection icon in the quick launch panel. Then select the desired item.
  It all looks as shown in the picture.

• Select the item "Change adapter settings" on the left side of the window that opens.

• Right-click on your connection and select "Properties".

Note: It is quite possible that in your case the network will be called differently. It is necessary to look at how it is called even when trying to connect, that is, in the window shown in the figure. The same connection must be selected in the menu shown in the figure.

• The window shown in Figure A opens. There you need to select the “Internet Protocol version 4 (TCP / IPv4)” item (it is highlighted in red) and click the “Properties” button (highlighted in green). This will open a window like the one shown in Figure B.
  You need to make sure that the checkboxes for automatic data acquisition (they are highlighted in yellow frames) are ticked. In most cases this should be the case. But at this stage, it would be useful to take your contract with the provider in hand.
  It is possible that the provider requires that there be some special data there. In this case, you must check the boxes highlighted in blue and enter the data from the contract in the fields with the same color. After all the manipulations, click the "OK" button.

If nothing connects now, you can try restarting your computer. Does not help? Go ahead!

Problems with TCP/IP

Also, the cause of the above error may be failures in the settings of the TCP / IP protocol.

Most effective method to exclude this option is to simply reset all these settings.

This is done as follows:

• Run command prompt as administrator. This is easiest to do with the following sequence of actions:
• Open the Start menu (highlighted in red in the figure);
• Click "All Programs", we find the "Standard" folder there (shown with an orange frame);
• On the item "Command line" (highlighted in green), right-click;
• Select "Run as administrator" (highlighted in blue).

• We write the following there: "netsh int ip reset resetlog.txt" as shown in the figure. Press Enter and restart the computer.

Clue: the above inscription can be copied directly from here using the keyboard shortcutCTRL+C, and in the command line you need to right-click on an empty space and click "Paste".

If this method fails for some reason, you can download special utility to reset TCP/IP settings at support.microsoft.com/kb/299357 .

After downloading it, you just need to run it, the program will do everything itself.

Problems with DHCP

To check this option, you should start the command line in the way described above and write “ipconfig” there.

If it says “169.254.[any number].[any number]” next to the inscription “Main Gateway” (it is underlined in the figure), most likely the problem is in DHCP.

To fix this problem, do the following:

• We go to the device manager. To do this, in the "Start" menu, launch the "Control Panel" (shown in blue in the figure). After that, in the search bar (highlighted in red), we write "Device Manager".
  We launch the one next to which it says “Device Driver Update” (highlighted in green).

• In the manager we find the item “Network adapters” (it is underlined in the figure), on our own (there may be additional ones - virtual, but virtual ones usually say “Virtual”) right-click and select the item “Properties” (highlighted in red).
  In the menu that opens, go to the "Advanced" tab, find the item "Network address" in the list and in the "Value" field (highlighted in blue) we write any 16-bit number for 12 characters. You can write as shown in the picture. Click "OK".

• We open the command line in the manner described above and write “ipconfig / release” there, press Enter, then “ipconfig / renew” and again Enter.

• We restart the computer.

If all this does not help, there is only one thing left - to call the operator and ask for help.

Important: For all the methods described above, the interface was usedWindows7, in other versions of the operating system, the appearance of the windows may be slightly different, but the essence remains the same.