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Win7 can't connect to WiFi,Global trade certification services how to solve it? In modern society, WiFi has become an indispensable service in people's lives. And if your computer can't connect to WiFi, you can't access any information on the network, which will affect your normal work and life. W.It is common for in7 to be unable to connect to WiFi, but some users do not know how to solve this problem. In this article, we will introduce some common solutions to you. 1. Check the WiFi switch or keyboard function key. If your computer cannot connect to WiFi, first check whether the WiFi switch is on or whether the WiFi function key on the keyboard is on. Some computers and laptops have set a WiFi function key on the keyboard. If the function key is turned off, your computer cannot connect to WiFi. Two. Check whether the wireless network adapter driver is normal. The wireless network adapter driver can enable your computer to connect to WiFi. If your computer cannot connect to WiFi, there may be a problem with the driver.You can find the wireless network adapter in the device manager and check whether the device is working properly. If the device has a yellow exclamation mark, it means that there is a problem with the device driver, and you need to update its driver. You can visit the device manufacturer's website, download the latest driver update that matches your device and operating system version on the site, and then install it on your computer. After installing the driver update, your computer can connect to the WiFi network. 3. Check whether the network settings and passwords are correct. The prerequisite for Win7 connection to WiFi is the correct network settings and passwords. In Win7, you can check whether its network settings and passwords are correct by selecting the "Network and Sharing Center" option, and then clicking the "Manage Wireless Network" button, selecting the WiFi network you want to connect to or adding a new WiFi network.If there is an error, you need to modify these settings and enter the correct password to connect. Please note that you should pay attention to uppercase and lowercase when entering the password, otherwise your computer will still not be able to connect to WiFi. Four. Check the network adapter configuration. If the network adapter configuration is incorrect and WiFi cannot be connected in Win7, you can do the following: open the "Network and Sharing Center" option and click "Change Adapter Settings" in the left navigation bar. Then right-click on your wireless network adapter and select "Properties". Select "Properties" in "Internet Protocol Version 4 (TCP/IPv4)" and make sure that your settings select "Automatically Obtain IP Address" and "Automatically Obtain DNS Server Address". If necessary, please set a manual IP address here and make sure to follow the address specifications assigned by the DHCP server in order to make a normal WiFi connection.5. Restart your router or modem. If your computer cannot connect to WiFi, it may not be caused by your computer failure, but by your router or modem. Some devices may have network crashes or other problems, causing your computer to be unable to connect to WiFi. At this time, you can try to restart your router or modem. After restarting your router or modem, please wait for a few minutes and try to reconnect to WiFi. To sum up, these are some solutions for Win7's failure to connect to WiFi. You can follow the above or try to solve it many times. If these methods cannot solve the problem, you may need to check whether other factors cause network instability or periodic interruptions, such as network cards or line failures. Please contact professional technical support personnel for more help.Anyway, I hope this article can help solve the problem that your Win7 can't connect to WiFi.

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