Computer suddenly can t connect to wifi?

It is recommended to install the ASUS original wireless LAN driver.

If there is no exclamation mark in the device manager, the network card should be normal, and the problem may be caused by system settings or other network devices.

Start - > Control Panel - > Network and Sharing Center, enter the Network and Sharing Center, and you can see the basic network information.

If an exclamation point or X appears, you can click to perform the built-in network troubleshooter in Windows.

Reset the network settings to default.

Start - > search process and file input"cmd"Press Enter and click cmd to execute.

Type netsh winsock reset and press enter, you need to restart the computer (restart).

If the problem persists, you can try backing up your data and reinstalling the system.

In this case, it is more suspicious that there is a problem with the network card itself.

Under normal circumstances, even if the network card driver is damaged for some reason, as long as you uninstall the original driver and install the driver version of the laptop's official website, it can be used normally anyway.

I have tried multiple versions, and some still show that they cannot be installed, and I personally suspect that the network card may have been damaged. It is recommended to remove the network card and check it, or replace it with the network card of another notebook for testing.

Hello, it is recommended to re-drive the motherboard chipset first, and then drive the network card (network device). Also: It is highly recommended to use the driver, which comes with the laptop. Or use the updated driver on the official website.

Discuss after observing the effect.

It is preliminarily judged that the rogue software or virus has damaged the relevant network services of the system, so it is impossible to connect to the wireless network (at this time, use antivirus software to check and kill viruses first, and then use repair software to repair the network) + (antivirus software such as velvet repair software, such as complete internet repair).

According to the normal understanding, your wifi module may be broken, or there may be some minor problems with the motherboard

Don't try the driver, since you've tried it a few times and it suddenly breaks, it's most likely a hardware problem. Let's take it and fix it first.

The first thing we should think about is whether there is a problem with some settings of the system, so we need to set up the system network connection accordingly. Right-click on our network icon to open the tethering center to see what our network connection is like at the moment.

How to connect the laptop to the wifi and how to set up the wifi if you can't connect to the wifi, this method is very practical.

Other devices can be connected to the wifi normally, saying that there is no problem with the main network, if they can't access the Internet, it means that there is a problem with the network, and the personal device can not access the Internet, there are many reasons, one of which is that it cannot be obtained normally, normal DNS and IP address, and many faults can be solved by the diagnostic function in the network card attributes.

Is there a 360 security guard on the computer, if you have it, you can open it to enter the function encyclopedia and find the network tool to repair.

Some laptops will have a hardware switch for the wireless network, which can be turned on if turned off.

If the computer can't connect to the wifi, the icon will have a yellow exclamation mark, right-click the wireless wifi icon in the lower right corner, then click to open the network and sharing center, and click change adapter settings in the upper left corner of the network and sharing center.

After entering, you can generally see 3 connections, one is Bluetooth, one is wired, and one is a wireless wifi network. Right-click on the wifi connection, and then click on 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.

Precautions for computer use.

1. When using the computer, please note that the ambient temperature should be between 10 degrees and 35 degrees.

2. When using the computer, try to avoid humidity, extreme temperature, vibration, direct sunlight and dusty environment.

2. When using the computer, try to avoid humidity, extreme temperature, vibration, direct sunlight and dusty environment.

4. The computer should be kept at least 13 cm away from electrical appliances (such as TVs, refrigerators, motors, or large speakers) that generate strong magnetic fields.