What should I do if my computer can t connect to WiFi?

If it is a broadband problem, please call the broadband customer service ** and ask them to check for you. If it is a router problem, please call the brand router customer service for **consultation, they have **guidance.

1) If it is a problem with the broadband itself, first directly connect the broadband network cable to test, if it is a broadband problem, contact the broadband customer service to solve it.

2) If it's a problem with the router, if it can be used originally, it can't be used for the time being, my own practice is to disconnect the power of the router and plug it in, and I'll take a look. In there is a factory reset, from the new strict according to the manual settings can be used, I don't understand, it is not recommended to set it at will (this is under the premise of the correct physical connection, sometimes the router is slow or failed to find the IP address, not that the router is broken).

If it can't be solved all the time, it is recommended to call the customer service of the router, they have **** guidance, I encounter a problem that I can't solve by myself, it is very useful to consult the advice they gave, and they will give the correct advice for your settings or operations.

3) If you turn off the wireless switch, turn it on, if it is a wireless connection with software, it is normal for the software to be difficult to use and often have problems, there is no better way, use a router. In addition, it is caused by the network card driver is not or is not suitable, and whether there is a problem with the network cable interface or network cable.

4) If it is caused by a system problem, it is recommended to restore the system or reinstall it.

win7810 restore the system, right-click on the computer to select the attributes, on the right side of the system protection, system restoration, follow the steps to do it, if there is restore software, the image backup that comes with it, and the backup, you can also use the software, image backup to restore the system.

5) If you have any questions, please ask me.

First, make sure that this wifi password is correct, and second, click on that problem troubleshooting.

Click the mouse to troubleshoot the problem and see the reason for the connection failure.

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Method 1: Step 1: If the computer is not connected to the wifi, the icon will have a yellow exclamation mark, right-click the wireless wifi icon in the lower right corner, and then click to open the network and sharing center. Step 2: In the Network & Sharing Center, click Change Adapter Settings in the upper left corner.

After entering, you can generally see 3 connections, one is Bluetooth, one is wired, and one is a wireless wifi network. [The computer can't connect to wifi] Step 2 Step 3, right-click the wifi connection, and then click on the diagnostics inside. At this time, the computer will automatically diagnose the reason for not being able to connect to Wi-Fi and fix the error of not being able to connect to Wi-Fi.

This method can generally fix DHCP errors. [The computer can't connect to wifi] Step 3 Method 2: Step 1, right-click my computer (computer, called this computer in win8), and then click manage.

The computer can't connect to wifi] Step 1 Step 2, after entering the management list, click on the service and application, and click on the service inside. Find WLAN Autoconfig in the service, change the service to automatic, and click Restart in the top left corner. This method can generally solve the problem that the wifi service cannot be started due to an error.

The computer can't connect to wifi] Step 2 Method 3: Step 1, use third-party software to solve the problem. For example, there is a network repair in the toolbox of Tencent PC Manager, and you can directly click on the tool to try to fix it.

The computer can't connect to wifi] Step 1 Step 2, click on the network repair, after a period of time, it will automatically repair the problems of the network, if it cannot be repaired successfully, it will explain which error type is the reason, and then find solutions on the Internet according to these reasons.

There are many reasons why the computer cannot connect to the wifi: the wireless network does not start, the wireless network card driver is faulty, the router is faulty, and the wireless network service is disabled. The solution is as follows:

1. The wireless network does not start. Check if there is a wifi icon on the F function key on the computer, or if it is airplane mode. Just press the shortcut key to open it.

2. There is a problem with the wireless network card driver. Open My Computer, right-click to select Management, select Device Manager, check that the network adapter has a closed operation and no yellow icon, if so, you need to reinstall the network card driver; If there is no problem with the driver, click on Services and Applications, click on Services, find wlanautoconfig, and then click Start this service on the top left.

3. The router is faulty. In this case, first restart the router to see if the network is restored.

4. The wireless network service is disabled. Open your computer's settings, find Network & Internet, click on the Change Adapter option on the right, right-click on the wifi connection you are using, and click Restart in the upper left corner.