Windows operating system is a modern and powerful tool. Almost always, after buying a new computer or laptop, it comes out of the box. Customization requires minimal skills and knowledge.
The main tool in the modern world for most users is a browser (Mozilla, Google Chrome, Internet Explorer), because almost all working and other communications go through the Internet. And if the user has problems with access to the Internet, this can seriously slow down the work, spoil the mood due to lack of communication with friends, cut off the person from the information he needs.
Why are there problems during the work on the Internet?
One of the most common errors that a user encounters while using the Internet is error 638. Let’s figure out what this message means.
Error 638 when connecting to the Internet means that access to the network is not available. There are several common problems that users face most often.
Damaged equipment
Check the network cable for the entire length (it may be pinched, cut, or bent).
Examine the connection between the network cable and the router. This is the most common mechanical problem: at this point the cable is crimped into the RJ-45 connector, and with long use, the small wiring of the network cable may deteriorate or fall out of the connector. Try to squeeze the cable yourself - this is not difficult, the main thing is to carefully read the instructions on the crimper (a special tool for these purposes), and not to confuse the wiring.
Make sure the router is turned on, if the corresponding indicator is on
Software bug
Errors in network connection settings. Internet error 638 may appear due to “flown” settings. If the router was not configured by you, but by your provider, call him and follow the instructions. Configuring the connection yourself is recommended only for experienced users.
Unfinished Windows Update Process
Despite the fact that the Windows OS is reliably protected from any kind of emergency situations, there may be circumstances when the system update did not complete correctly (turned off the light or the battery was suddenly discharged at the time of the update). In such cases, everything can break, including Internet settings. Go to "Control Panel" → "Windows Update", and check the system for the latest updates. Click Install Updates. This can solve the problem.
The presence of viruses
Always use the latest version of your favorite antivirus! And always update the OS on time, because the methods of cyberattacks are improving every minute. If the error code is 638, then this can be caused by malicious software that blocked access to the Internet. Open the menu of your antivirus program and click "Check for Updates." Next, do a full scan of the operating system. The virus can hide everywhere: from your working folders to registry files, so it is very important to check everything.
Old network card drivers
Go to “Control Panel” → “Device Manager” → “Network Cards”. Make sure that this section shows the name of your network card. If not, or a warning (exclamation mark) lights up near this item, then it is worth updating the drivers for your network card. You can download them from any other equipment with Internet access and transfer them to your computer, or contact a specialist
Error in router settings
Check the settings of your router and router, maybe some settings are lost, or work incorrectly. To configure the router, you need to read the instructions for your equipment, because it is configured individually for each model. Before that, it is necessary to reset the settings to the factory settings using the “Reset” button.
Important: if you are not sure that you have sufficient knowledge to configure the router yourself, in no case do not reset the settings to factory settings, it is better to call those. support.
Here are the main ways to fix error 638, if the problem lies on the surface, then this guide will help you continue to use your computer comfortably. In any case, if you are not confident in your own skills in installing and maintaining the Internet, it is always better to turn to specialists, for the benefit of those. Support from all providers is free.