What should I do if my laptop can t use wifi

The laptop can't find a wireless network, first, "Start" "Control Panel" "Network Connections", right-click on "Wi-Fi Connections", select "View available wireless connections". Note that if you do not have a "Wi-Fi connection" in your "Network Connection", please contact the computer manufacturer's after-sales department. Second, if your computer is currently using Windows' wireless management tools by default, you should see a list of results for searching for wireless networks.

If the list is empty, click "Refresh Network List" and the result will still be the same. It may be that it is no longer within the wireless receiving range, or it is to see if the wireless network card driver is not installed.

If the laptop can't find the wireless network network, if the wireless network card driver is not installed, you can search for a driver wizard to install the latest wireless network card driver. Secondly, if the driver is installed and it still does not solve the problem, we can right-click on the desktop "computer" and then click "manage" in the pop-up or enter "enter" after opening "run" in the "start" menu. Now that we go to the "Service Manager" of the computer, we find out if the two services are turned on and whether they are startup type "Automatic" and wlan autoconfig.

If it is disabled, we can start it and set the startup type to "Automatic". Select the service, modify its properties, and select -right-click-properties. Then, click "OK" to exit after you are done.

Note, some notebook wireless network card computer everything is normal, but the notebook can not find the wireless network, this situation is likely to be a notebook there is a wireless switch, it is recommended that you consult the notebook manual or enter your own notebook brand model to search whether there is a switch. Make sure that the wireless function of the wireless router is turned on and that the SSID broadcast is allowed. If you can't find the wireless signal only from a distance, you need to check whether the wireless router settings are normal or whether the wireless router is faulty, it is recommended to change to a wireless router and try again.

Or you can try to factory reset the router and restart the router to set it up once.

It can be seen that if you encounter a laptop that can't search for a wireless network, you should first see whether the wireless network card is installed, and whether the wireless switch is disabled, and then check the router problem. However, it is generally recommended that you see if there is a problem with the router when you encounter a situation where the laptop cannot search for the wireless network. It is recommended that you restart the router and try, if it doesn't work, or if you can't solve it by other methods, it is recommended that you send your laptop for repair.

Throw it away, buy another one, it's not expensive.

If the wireless network card is abnormal, reinstall the wireless network card; The Wi-Fi switch is not turned on, turn on the Wi-Fi switch. Disable the wireless card and turn it back on.

Install the Driver Wizard with a network card driver.

There are diagnostics in it.

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.

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.

Method 2: Step 1: Right click my computer (computer, called this computer in win8), and then click Manage.

Step 2: After entering the management list, click on Services and Applications, and click on the services 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.

Method 3: Step 2, click Network Repair, after a period of time, it will automatically repair the problems existing in 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.

First of all, check whether the driver of your laptop wireless network card is normal and whether it can be used normally. If it is normal, it means that there is no problem with your computer, you can check whether your network is normal, whether you can surf the Internet normally, if not, you can check the router or contact the network provider.

Start --- settings--- personalization--- Ren Tongji nuclear bar--- turn on or off the system icon--- set the network to [Open Lead Wang] local excavation.

Method 5: After uninstalling the Wi-Fi driver, connect to the network through other means, reinstall PC Manager, and restart the computer after installation. Method 6:

If the preceding methods do not work, back up your data, tap or hold F10 to reset the system when the device is turned on, or go to a Huawei Customer Service Center with your purchase voucher for testing.

If the driver is already up to date, you can try uninstalling the driver and reinstalling it. If the wifi is normal, then you need to check if the laptop's wifi switch is turned on. Some laptops will have a physical switch or shortcut key to control the wifi switch, you need to make sure it is turned on.

Sometimes, the computer won't connect to wifi can be caused by a hardware failure. You can check if the wifi adapter is connected correctly and make sure that the wireless network card of your computer is not damaged. If your laptop's wireless network card is damaged, you can choose to replace it.

The solutions to the laptop cannot connect to wifi include checking whether the wireless network card is disabled, checking whether the network card driver is normal, and checking whether the hardware switch of the laptop wireless network card is turned on.

It's also possible that there is a problem with your router's line. Just go into the router settings and take a look. Or or.

Poor network cable contact. If there is a conflict of IPs. Set it up in the local connection.

One and the bulk nucleus are automatically called to obtain.

Sometimes, the router may malfunction and cause the wifi to be unable to connect.