What to do if there is no Wi Fi connection on your laptop

First of all, check if there is any problem with the driver: right-click on my computer - management - device manager - network adapter to see if there is a driver for wireless network; If not, **install; If so, go ahead!

Check to see if wireless is disabled: (xp) Right-click on Neighbor --Properties, see if the color of the wireless connection is gray, if so, right-click --Enable; (win7) Open the Network & Sharing Center - Change adapter settings - Right-click on Wireless Connections - Enable.

Check if there is a wireless network switch on the laptop (usually a toggleable button) and turn it on; Some computers are controlled via shortcut keys: FN + buttons with wireless icons (different on each computer).

The computer is mainly divided into several steps to connect to the wireless network, first of all, you know that you need to connect to the wireless network password, enter the password to log in to the wireless network successfully, the network will assign an IP and DNS to you, then you can access the Internet.

There are several reasons why you can't use the network after connecting to a wireless network

Check whether DHCP is enabled on the router and check whether the computer is assigned a valid IP address and DNS.

Check whether the router is configured with MAC or IP address filtering, such as unblocking or adding the computer to the whitelist.

Check whether the computer itself has self-configured IP and DNS, if the route is changed and the network is changed, then the IP and DNS that have been configured before are not necessarily universal, for example, the previous route is the network segment and the computer is set to be network, and it is impossible to access the Internet, or the network service provider is changed and the DNS is not replaced, then the previous DNS is not applicable, and the DNS of each service provider is different.

Check whether the wireless network card driver is installed correctly, some network search drivers can be installed, but there will be various problems in the application process, it is recommended to log in to the official computer ** to install the official driver.

The above methods are common ways to connect to the wireless network and cannot access the Internet, if none of the above is the case, then take it to the repair to see if the wireless network card or router has hardware damage.

If the machine is very old, there is no wireless network card, Ruguo has a wireless network card, and it can't be connected, you can see if the driver is not playing, Ruguo is on, and it can't be connected, then you can try to make the system! If the system is not done, it is a problem with your wireless network card!

Answer: What's the matter that the laptop won't turn on wifi? Wi-Fi is an important way for laptops to access the Internet, why can't laptops sometimes use wifi?The following brings you the solution to the problem that the laptop wifi sharing cannot be turned on.

1. The NIC is disabled.

Laptops have a network card switch, if this switch is disabled, then you can't turn on sharing, and you can't even connect to the wireless network.

1. Use the hotkey to turn it on.

Laptops have a red fn key on them, which is the so-called function key, which is used with the red functions on f1 to f12. Lenovo notebooks are generally FN+F5.

What's the matter if you can't turn on the wifi on the laptop wifi can't be turned on.

What's the matter if you can't turn on the wifi on the laptop wifi can't be turned on.

2. Use the wireless switch to turn on.

Many computers have a wireless switch, in the lower right corner of the computer, you can turn on the wireless network card by moving it.

What's the matter if you can't turn on the wifi on the laptop wifi can't be turned on.

What's the matter if you can't turn on the wifi on the laptop wifi can't be turned on.

3. Open it through the control panel.

Right-click on the network icon in the bottom right corner - open the tethering center - change adapter settings - find the wireless network, right-click - enable it.

What's the matter if you can't turn on the wifi on the laptop wifi can't be turned on.

What's the matter if you can't turn on the wifi on the laptop wifi can't be turned on.

2. The network is not set to share.

If you rule out the no driver reason, open the wireless network card, right-click on the computer "Management" and select "Services and Applications" Double-click "Services" on the right side, then pull the pop-up dialog box to the bottom to find "WLAN AUTUCONFIG" Click on it Select Start on the left side and set it to auto-start.

The next driver wizard will install the driver.

Install the next NIC driver.

Universal network card drive.

Once installed, it should be fine.