Recently, I began to notice that the more people buy various equipment with WiFi - routers, modems, access points, TVs, tablets, etc. - the more problems arise with the wireless network: the signal disappears or is very low, the data transfer rate jumps or it is very low, the devices periodically fall off and can no longer connect. There are many reasons why Wi-Fi turns off, and it can be both software settings and a hardware malfunction. In general, a wireless network itself is a very capricious thing, the stability of which depends on many factors and conditions. Today I will talk about the most common problems and failures due to which the WiFi signal can be poorly received or even disappear.
WiFi signal suddenly dropped
- turned on the router. Try restarting it by turning off the power for a couple of minutes and turning it on again.
- If you have a laptop or tablet, check the battery charge. On many mobile devices, the Wi-Fi module can be forcibly disabled to save energy. Moreover, on Windows 8 and Windows 10 laptops, this option is often enabled in the adapter properties.
Also, it is worth checking the settings of the power supply scheme used.
- Walk about 2 meters to the router. No signal? Then you need for the test a known working device with a wireless network interface- tablet, smartphone, phone, etc. If it works without problems, and your laptop cannot connect, then most likely there is a problem with the adapter driver on it. Try reinstalling or updating it.
Doesn't help and WiFi turns off on the laptop anyway? Take it to the service.
By the way, on laptops and tablets, there is often a case when, due to poor contact, the antenna turns off during shaking. In this case, you need to open the case and solder it back.
If the test device also does not see the home network, then the problem is on the side of the router. Try to reset it to factory settings using the "Reset" button and set up again.
Doesn't help - bring it to repair.
Poor or unstable Wi-Fi signal level
The reason for the deterioration in the quality of the wireless home network more often than not, there are several more access points in the neighborhood. This is another common reason why Wi-Fi turns off. lately in apartment buildings this is a direct punishment of some sort. Almost every apartment has a router and every entrance has a dozen or so networks. In this case, there are two ways out: correct and cheap.
—Correct option but more expensive. Why? And because you have to buy equipment operating at a frequency of 5 GHz, since now it is already relatively inexpensive. An inexpensive dual-band router will cost about 3 thousand rubles. For example, a Totolink A2004NS router.
I think it is clear that a computer and a laptop will need to buy additional adapters - that's a couple of thousand more. But with smartphones and tablets, things are worse - some already have support for the 5 GHz band, but the simpler and cheaper ones will have to be left in the old range. But there will be no more problems with channel overlap and interference from neighbors.
- The cheapest option is time consuming and hemorrhoid. First, it will be necessary to constantly scan the range with the inSSIDer program in search of a free channel, and then set it in the router settings.
Secondly, you still have to drag most of the devices closer to the modem or router anyway, since even if the selected channel is free, interference can come from busy neighbors. And you can't get away from it. Only cover the house with foil in 5 layers.
I have no networks in the neighborhood, but WiFi still turns off. Why?
In this case, the most common reason is wrong location access points in the apartment. To provide it with the maximum coverage, it must be located as close to the center of the dwelling as possible. If you have points where Wi-Fi from the router still does not finish off, then you need to install an additional device - a repeater.
Signal quality wireless network very much affects:
- plasterboard (walls made of it or their finishing with plasterboard)
— reinforced concrete walls(reinforcement is critical)
- water. Very often in houses or apartments they like to put a large, large aquarium against the wall. After that, a whistle dance with a network may begin in the next room and the owner will be asked the question "why does Wi-Fi turn off ?!"
— electronic devices
... If there is a lot of electronics (TVs, microwave ovens, radio stations) and the like in the space between the router and the computer (laptop, tablet, smartphone), then you will immediately notice a deterioration in the quality of work.
Do not forget that the reason that WiFi turns off can be software or hardware router malfunction.
In my memory, there is one case with D-Link DIR-615 K2. The owner complained to me - "Wi-Fi is missing!" I checked the settings - everything is correct. But after a while, the access point simply turns off. And everything works fine through the LAN ports of the router. The solution was a simple firmware update, after which the problem was safely eliminated.
Another case was with a device from QTech, where the contact of the internal antenna fell off the table when it fell off. The manufacturer regretted the solder. We opened it, soldered the antenna and WiFi does not disappear. Although, if you are not friends with a soldering iron, then if you suspect that Wi-Fi disappears due to a hardware malfunction, carry the device to service center.
WiFi is a unique wireless technology that is incredibly popular around the world. Nowadays there are very few people who prefer the usual wired Internet... Connecting and configuring Wi-Fi is not a big deal. But even in such a perfect system, sometimes errors occur, due to which the wi-fi stops working. The most common is a problem with connecting a Wi-Fi router.
Some people are faced with such a situation when the router is plugged into the network and works, but does not distribute: the computer cannot "see" the available network. Why does this happen? There may be several reasons for the occurrence:
lack of installed network drivers;
hardware type errors;
arbitrary disconnection of the connection with the computer - it is obvious why, in this case, the device does not work as it should;
malfunction of the wi-fi module;
malfunction of the wi-fi router.
There are other problems, but the ones listed above are the most common reasons for which the device does not work. Therefore, we will focus on them.
Problem with drivers for network devices
The WiFi module driver is tested in the "Device Manager". This section is on the Start menu. You can also get to the section through the shortcut "My Computer" by clicking the right mouse button.
In the "Manager" you can see all the devices connected to the computer. We will be interested in network equipment. You need to switch to the branch with network drivers... If the branch is missing, it means that the drivers for the wifi adapter were not installed on the computer.
In case there is a branch, on one of network devices the sign "!" may be lit. This means either the absence or malfunctioning of one of the drivers. Each of the problems can be easily resolved with a simple software reinstallation. Usually software is located on the disk attached to the computer. The wifi adapter for Device Manager may be called Wireless Network Adapter. Also, everything you need can be downloaded from the Internet using mobile connection(if the other is not available at the moment).
How to check the status of the wireless connection
If everything is in order with the drivers, then the next step is to check the wireless connection. It can simply be disabled. Testing is done differently on different operating systems. But it all comes down to one thing: you need to get into the "Network Control Center".
There is a universal way. You need to press Win + R, after which a window with a line will appear. In the line you need to type the command control panel and press Enter. This will open the "Control Panel". Here we go to the "Network and Internet", then to the "Network Control Center and general access". In the "Center" we will be interested in the section "Change adapter parameters" located on the left. Clicking there will allow you to see the status of all connections that are on the computer.
“Wireless connection” is what will be important to us. If the label is not colored, but gray, it means that there is no signal. You can start the connection by double-clicking the left mouse button. After starting, the computer starts looking for all available connections.
If they do not appear, then you can try to perform system diagnostics. It is carried out through the "Network Control Center" and the item "Change adapter settings". On the label " Wireless connection"Must be clicked with the right mouse button. In the window that opens, click the "Diagnostics" field. The computer performs the test on its own. Based on the result of the check, the user receives advice on further actions.
What to do if a hardware error occurs
A hardware error would indicate a problem directly inside network card... In a word, if the computer does not see the adapter for connecting to wifi, this means that this wifi device is not functioning. There are two main reasons:
the device is broken;
there was a problem with the wifi drivers.
The second option has already been described by us. However, if there are Wi-Fi drivers, and the computer continues to not see the adapter, this means a breakdown. Burning of the device is one of the most common causes of breakdown.
Burnout can be caused by overheating if the computer has been operating at its maximum capacity for a long time. If we are dealing with a laptop, then this happens even more often here, since many users forget the device on a soft surface that blocks access to the hole through which air flows for cooling. This problem is solved by ordinary replacement of components with similar ones.
It should be borne in mind that the lack of experience in independent manipulation of computers can lead to even more disastrous consequences. Moreover, this applies to laptops that have a more complex design. The best way out is to contact a service center, where they will precisely determine the reason why the device does not work.
Hardware connection errors also include a disconnected antenna. Most often, this problem occurs in laptops or stationary computers that have been cleaned or repaired in some way. The specialist who performed the procedure could simply forget to connect the device, or he connected it incorrectly. This makes it impossible for the normal functioning of the adapter, which does not work normally and cannot normally catch the signal sent by the router, even being near the source.
A rather rare case is the clogging of the antenna terminals with dust. This breaks the inner contact. The solution to the problem is cleaning.
Why wi-fi router does not distribute the Internet
The connection problems described above refer to problems in the computers themselves. But often there are problems that are related to how the router works (or, more precisely, it does not work) and does not distribute the Internet.
There are two main problems:
inability to establish a wireless connection;
lack of access if connected.
The listed failures can be easily resolved on your own without resorting to the services of specialists.
How to solve a wireless connection problem
Testing how the router works begins with checking the status of the indicators that are located on the external panel of the router. During normal operation, the LED next to the antenna pattern will be on or flashing. If there is no glow at all, it means that the wireless module is not running on the router. On certain models, there is a separate button that a family member can accidentally turn off.
The absence of a button complicates the solution of the problem a little. You need to go to the "Wireless network" section located in the web interface of the router. In the English-language menu, this section is called "Wireless". There is a check mark in front of the "Enable" box (in English - "Enable"). Clicking the mouse can fix the problem.
It is possible that when the device does not distribute the Internet, the malfunction is related to the radio channel used. Most router models have the function automatic tuning... If it is absent, you can try to install the 1st or 6th channel. They should be suitable for our country.
It so happens that it becomes impossible to connect to a wireless network, as the network displays a message about an incorrectly typed password. It is worth checking the security settings in the web interface. The encryption type set must be AES. The general security standard is WPA2-PSK.
How to solve the problem if there is no access while connected
Quite often it happens that the connection begins to be implemented, but the process itself takes a long time. The status is shown by the message "Receiving IP". After a while, the connection is dropped.
This means that network clients cannot obtain an address due to a disabled DHCP server. You can check this through the settings in local network... You will need a LAN section, where there should be a check mark next to the DCHP parameter.
Access problems can occur due to incorrect operation of DNS servers. Their incorrect assignment for network clients or a complete lack of assignment, as well as unstable operation of servers are the three main reasons.
The solution to the problem of elimination is as follows. You need to use public DNS. They are provided by Yandex and Google. In the first case, you need to register 77.88.8.8 in the settings, and for Google this value is 8.8.8.8. The data is entered into the computer in the properties of the Internet Protocol of any version of TCP / IP.
Output
All of the above are troubles that you can get rid of on your own. In any other situations, it would be better to contact the technical support of the provider or professional craftsmen.
Hello, Tigran!
When using a laptop, quite often, especially in the last few years, you need to go online for one reason or another. Use the exit to global network using a cable is already inconvenient, given that today WiFi-routers of various configurations are very common. I propose to consider possible options for equipment for installation in your house or apartment.
Home installation
The first thing to pay attention to is the range of the antennas, the revision of the 802.11 technology, the number of antennas, and the rest does not matter. Cool gadgets are just a waste of money. The next point is the thickness of the walls of the floors. If you have thick walls, then you need to opt for a router with three antennas or two, but with a signal strength of 5 dbi. This will allow you to get good signal strength and "break through" the walls of the radio wave.
If possible, position your WiFi transmission device closer to the center of the apartment, which will allow the router sine wave to spread smoothly and evenly throughout the living area.
If your apartment or house has a microwave oven or a radiotelephone, then you should try to place the WiFi repeater so that the distance between these devices is at least 5 - 8 meters. Otherwise, the waves will intersect, and the effect of "bandwidth jamming" will be obtained.
We got close to the subject of the problem indicated in the question. Let's figure out why the signal or speed can disappear, as well as where the entire signal coming from the router can go.
Where does internet speed go?
When a WiFi router is installed, it often happens that neighbors already have one and can jam your signal due to its greater power. As described above, microwave ovens and radiotelephones can affect the signal. To get rid of this, you need to specially configure your router. Settings require transmission frequency and channel. These parameters can be found under " Wireless connection"on the router interface.
There is another option that your neighbors take away your Internet, knowing the password. You can easily hack it and use the network secretly from you. Therefore, you should change the password for accessing the WiFi network. This is also done in the "Wireless" section of the router interface.
Your router may be damaged due to power surges in electrical network, or a factory defect, or from the time of operation. In this case, your Internet provider can help you, which provides a connection to the apartment. Contact him, explain the situation, and the specialists on their part will check the line and connection with you. If something is wrong with the device, they will tell you about it. You can also connect your laptop to another router, for example, at your neighbor's. If everything goes well, then your router needs to be replaced.
A problem on the provider's line can affect the signal loss - damage to the optical line between houses or a twisted pair cable along the entrance. You can also clarify this point with your provider.
And the last possible option is local computer problems. The operability is checked by connecting another computer with a cable to the router or mobile device via WiFi. If everything works flawlessly, you need to look for the problem in your laptop.
Hope you succeed.
Best regards, Eugene.
