The operating system Android is multifunctional, and the huge number of applications allows this shell to occupy a leading position in the market. However, this system is not free from its shortcomings: in the article we will figure out what to do if Wi-Fi is not turned on Android.
Types of problems and how to fix them
There are several reasons why Wi-Fi is not enabled on a tablet Android; however, this is also the case for people using phones running the system. So, what are the roots of the problem and what to do if Wi-Fi does not work on Android.
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Incorrect date and time
The first reason, which is quite rare, is the incorrect date and time. To eliminate it, you need to go to 'Settings', then 'Date and Time', there, set everything correctly.
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Wrong password entered
Such a problem often occurs when the password has been changed, but Android the device 'does not know about it.' You need to go to the Wi-Fi connection settings, delete the network profile with which the connection was established and reconnect.
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Software crashes
The third reason, when Wi-Fi stopped turning on Android, is software failures. You can try to solve the problem using a special utility Wi-FiFixer. You do not need to change any settings in the program. Just download and install.
The main window will contain information about the current status in the 'Known' tab – all devices to which a connection has ever been made.
Next, you need to restart your phone or tablet and try to connect again.
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Settings glitch
To bypass it, you can reset the settings to the factory settings: go to 'Settings', then 'Restore and reset'.
And then click the 'Reset settings' button.
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Installing the wrong firmware
Often, users prefer to install other, custom firmware instead of standard ones, and one of the side effects of this is the incorrect operation of the radio modules. To fix the problem, you need to install the base firmware back. Learn more about how to flip the factory firmware to Android.
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Rollback any firmware or update Android: Video
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Viruses
Some of the malicious programs interfere with the normal operation of the radio modules. The solution to the problem is to scan the gadget with the built-in antivirus.
Learn how to check Android for viruses in different ways.
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Incorrect router settings
The seventh reason when an error pops up when turning on Wi-Fi on Android is incorrect router settings. To fix the problem, you need to go to the router settings. You can read how to do this in the instructions that come with the device. (The algorithm is relevant for problems with a home network).
Then select 'Wireless settings' in the control menu. The 'Channel' line should contain the 'Auto' parameter, and the 'Mode' line – '11bgn mixed'. In the 'MAC address filtering' tab, set 'disabled'. 
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conclusions
If none of the above methods helped to solve the problem, then it is most likely in the module itself. In this case, the best way out of the situation is to take the gadget to a specialized service center (if there is still a warranty) or to a workshop. It is important to remember: serious interference with the operation of the shell in the absence of the necessary knowledge creates the risk of turning the gadget into a 'brick', after which significant funds will have to be spent on resuscitation.
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