You seem to have connected everything, but the Wi-Fi network still does not want to connect to the Internet?
What could be the reason for this problem and how to fix it? This will be discussed in this article.
Possible problems and solutions
the Internet
Just in case, we'll start with the simplest: we check if there is any Internet at all (maybe the provider has some problems and the connection is temporarily absent). To do this, connect the cable directly to the laptop. If the connection is established, then everything is fine, the problem is not in it.
Antivirus and firewall
These programs, despite all the usefulness, can create serious difficulties for users, blocking the launch of various utilities, applications, games, opening sites and so on.
So, as an option, try to temporarily disable the antivirus and / or firewall and look at the network reaction. If the Internet has earned, then it was really in these programs. If not, then turn everything back on, since the source of the problem is something else.
A router or laptop?
To determine the source of the problem, connect the router to another device - a tablet, a desktop PC, a smartphone. If other gadgets get access to the Internet (sites are loaded), then the problem is in the laptop itself. If the Wi-Fi network is recognized, but there is no actual connection, then something is wrong with the network settings.
If the problem is in the laptop
First check if the wireless network connection. To do this on the laptop usually there is a special button Wi-Fi. If it does not light, press the button and reconnect the network connection.
You can also check the network settings - their incorrectness can also be the reason why Wi-Fi does not work. So, if there are any problems, next to the network icon (it looks like a series of sticks of different lengths) the yellow triangle icon with an exclamation mark inside is lit.
- Click on the icon with the right mouse button and select "Network and Sharing Center" from the list.
- In the opened window on the left, find the line "Changing adapter settings". Follow this link.
- In a new window, select "Wireless Network Connection" by right-clicking on the icon, and then click "Properties."
- In the list that appears, search for "Internet Protocol version 4 (TCP / IPv4)". Click on it with the left mouse button, highlighting with color. And then click on the "Properties" button located in the same window, but just below the list, on the right side.
- In the next window, you need to check the lines "Obtain an IP address automatically" and "Obtain the DNS server address automatically". Secure the settings by clicking the "OK" button.
After all these manipulations, restart the laptop. If the case was in the settings of the router, the network will work.
If the problem is in the router
The configuration of this device, as a rule, requires the participation of a specialist, and therefore if you did not find other reasons for the lack of Wi-Fi on the laptop, then it is possible that the device itself is somehow wrong or it is defective.
In this situation it makes sense to contact the center technical support provider and ask for help.
What's the use of a smartphone if it does not connect to the Internet? Even the most best Android smartphones sometimes have problems with the Internet. If you have problems with the Wi-Fi network, we offer several methods that will solve them.
1. Flight mode and restart
To begin with, you should try a few simple methods solving problems with Wi-Fi. Often smartphone users are looking for complex and intricate ways to solve the problem, while forgetting about relative simple options. First, try turning the Wi-Fi network off and on again. Open the Quick Settings menu and click the Wi-Fi icon to turn off the network.
Another simple solution is to turn on Flight mode for a few seconds, then turn it off again. 
If the problem with Wi-Fi has not been resolved, try restarting your smartphone.
2. Wi-Fi turns off by itself
The most obvious reason for this problem is that you did not enable the Wi-Fi option in sleep mode. This option automatically turns off the smartphone from the Wi-Fi network to conserve battery power.
Do the following:
3. How to access a peer-to-peer or hidden network
There are two networks that have limited automatic access: the network to which you want to connect belongs to a particular type, or a network that is hidden for security reasons.
As for the first problem, the majority Android smartphones are not configured to work in peer-to-peer networks. However, good people from the XDA Developers Forum created a patch that allows you to bypass this restriction. Using the wpa_supplicant file, you can connect to these types of networks.
Warning: This solution is intended for advanced users only.
If the problem is related to a hidden network, you can try to add it manually. Go to Settings\u003e Wi-Fi\u003e Add network. Enter the SSID and password from the network. 
4. Problems with obtaining an IP address
If you have a problem with obtaining an IP address, then your smartphone gets into an endless loop of connection to the network. That's why Wi-Fi does not work. First, restart home router. If the problem persists, reset to factory defaults.
If you think that this is an unacceptable solution to the problem, then we can advise another option. Go to the app store Google Play Store and download the WiFi Fixer. 
The application restores system files Wi-Fi and some services that are necessary for normal operation Wi-Fi network. WiFi application Fixer will ensure that the smartphone receives an IP address.
5. Wi-Fi is slow
You managed to connect to a Wi-Fi network, but the speed is so slow that you can not browse the web page? Are you sure that your router works well, the signal is strong enough and in general there are no problems? We recommend checking the speed of the Internet through the SpeedTest application. This is a reliable and accurate service, which in a few seconds will show you the actual download speed, impact and ping.
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Learn how to troubleshoot problems connecting to a Wi-Fi network on a Mac.
OS X Mountain Lion and later
In OS X Mountain Lion and later versions to identify and troubleshoot Wi-Fi problems can be used.
OS X Lion and earlier versions
The screenshots and menu items in this article refer to OS X Lion 10.7. The procedures for Mac OS X 10.6 Snow Leopard are generally identical, except that in the "Network" area of the " System settings"And in such places instead of Wi-Fi AirPort is displayed.
Preparation
First of all, determine what caused the problem. Information about the problem will help you to select the necessary actions to solve it.
- Do symptoms appear on different Wi-Fi devices??
- Problems with Wi-Fi can be connected to a network or a computer connected to it, equipped with a Wi-Fi module. Usually, if other computers and devices (such as Apple TV or iPhone) connect to the Internet without problems, then the Wi-Fi router is likely to be functional.
- If you only have one Wi-Fi device, follow the instructions in this article.
- Software Update.
- Install everything for your Mac computer.
- If you are using a third-party Wi-Fi router, check the manufacturer's information to see if it is installed latest version firmware device. If an update is available, install it by following the manufacturer's instructions.
- To check the firmware actuality base station Wi-Fi made by Apple, use the recommendations of the article.
- Check the connections.
- Some network problems can be caused by loose or disconnected cable connections. Check all Ethernet cables and power cables connected to the computer, modem, and Wi-Fi router. The problem can be solved after checking the enabled state of the router and modem, disconnecting and accurately reconnecting Ethernet cables and / or replacing damaged Ethernet cables. In this case, further troubleshooting steps are not required.
- Make sure the device uses the recommended settings.
- See the article.
- Restart the network devices.
- Turning off the power of the modem or router for a few seconds and then turning it on can resolve a number of network problems without additional troubleshooting. If the telephone connection is provided to you by an ISP, disconnecting and reconnecting the modem may disrupt this connection. To restore the telephone connection after restarting or disconnecting the modem, you may need to contact the ISP. To avoid unnecessary delays when restoring an Internet connection or a telephone connection, make sure that you can contact the Internet Service Provider alternative ways (for example, by cell phone).
Troubleshoot problems
Symptom: I can not connect my Mac to the Internet.
- Web pages do not open in Safari and other browsers. Pages can be empty, or the warning "No Internet connection" can be displayed.
- Internet programs, such as "Mail", iChat or App Store, can not connect to the corresponding servers.
Note. The settings of the routers can allow the use of the Internet by some services (such as the Mail program) and prohibit the use of the Internet by other services (such as web browsers). If you do not know how your network is configured, contact your network administrator. If the network is not configured to block services, but some of the Internet programs are running, and some are not, then the problem probably is not related to Wi-Fi.
Decision
If you can not connect your computer to the Internet, follow these steps:
Symptom: The Wi-Fi connection is slow.
- There are pauses and omissions when streaming movies.
- ITunes downloads and other downloads take too long.
- Web pages load slowly.
Decision
If the speed of Internet access is small, make sure that your network supports the appropriate Wi-Fi standards. The 802.11ac standard provides the highest data transfer speed in Wi-Fi networks. Other standards also regulate the high speed of communication. However, you need to make sure that the computer uses the fastest available protocol.
Symptom: The network connection is unexpectedly broken.
- There is no sustainable connection of a Mac to a Wi-Fi network.
- Access to the Internet from a Mac computer suddenly stops during use.
Decision
If your computer suddenly disconnects from a Wi-Fi network, follow these steps:
Check the coverage area of the Wi-Fi router and reduce the effect of third-party interference.
If the computer is too far from the Wi-Fi router or there is significant interference, your computer may not detect a Wi-Fi network. The simplest method checking the coverage area of the Wi-Fi network consists in moving the computer or the Wi-Fi router closer to each other, provided there are no obstructions to the signal path (for example, walls, cabinets, etc.).
For more information about interference and how to resolve them, see the article.
Try to connect your computer to another Wi-Fi network. If there is no problem with connecting to another Wi-Fi network, the problem may be related to the network router or ISP. In this case, contact the router manufacturer or ISP.
Problems with work Wi-Fi network can be found not only on the routers of the company Tp-Link. But specifically in this article, we'll try to figure out exactly with these routers. Consider possible reasons, for which a Wi-Fi network may not work, and why the Tp-Link router does not send out Wi-Fi. More specifically, we will try to deal with such problems:
- The router is turned on and running, but the devices do not see the Wi-Fi network. That is, the router does not distribute it.
- When the Tp-Link router distributes Wi-Fi, but the Internet does not work.
With the second problem, when there is Wi-Fi, but the Internet does not work, we already understood the article and. See these articles, there is all the necessary information to solve these problems.
Well, if your laptops, tablets, smartphones and other devices do not see Wi-Fi at all, then you need to look for the cause first thing in the router. Now we'll figure it out.
This article is suitable for all Tp-Link: TL-WR741N, TL-WR841N, TL-WR1043ND, etc.
What if the Tp-Link router does not send out Wi-Fi?
We do first of all:
- Make sure that Wi-Fi on your device is turned on. If you see the networks of your neighbors, and yours is not, then see this article further. If your Wi-Fi network does not appear for example on your phone, but on your computer or tablet, see the article on changing the channel.
- If the router is new, you just bought it, then the network will have a standard name. You can simply not immediately see it among other wireless networks of your neighbors. Try to turn off the router, and see which network is gone. Or, just configure your router over the cable.
- Restart your router.
If the problem persists:
Make sure that your router is turned on. If you turned it on in the socket and the power indicator is off, it's possible that the power is turned off by the button on the router itself. If there is such a button. Usually, it is signed ON / OFF.
Tp-Link may not distribute Wi-Fi because wireless network can be disabled. Again, click on the router itself. Not all devices have these buttons. Look closely at your router. Such a button is usually signed Wi-Fi and recessed into the case. You can press it with something sharp. Here's how it's done on the Tp-link TL-MR3220:
Click this button, and see if the Wi-Fi network on your devices has appeared.
If not, we will check the settings. Go to your router's settings on the cable. How to do it, I wrote in the article Nothing complicated: we connect, we type in the address in the browser 192.168.1.1 , or 192.168.0.1 (depending on the model), and specify the username and password. If you did not change them, then admin and admin.
In the settings go to the tab Wireless. If the firmware is in Russian, then Wireless Mode. And carefully look, if there are checkmarks near two points: Enable Wireless Router Radio (Enable wireless router broadcasting) and Enable SSID Broadcast (Enable SSID Broadcasting). If not, install, and then click Save (save). Restart the router.
By the way, in the field Wireless Network Name (Network Name), you can specify a new name for your Wi-Fi network, which will be distributed by Tp-Link.
Basically, these are all the settings of the router, which are responsible for broadcasting the Wi-Fi network and the network name.
It is very important, after that your Tp-Link router stops distributing Wi-Fi. Maybe something changed, or tuned. Can describe your problem in the comments. I'll try to help with advice. Well, do not forget to share solutions, information is useful to many.
