1. The computer is too far away from the router and cannot receive the wifi signal. This is caused by the inconsistency between the frequency bands emitted by the computer network card and the router. Most routers are dual-band 4G and 5G, and some older computers do not support the 5G band.
2. Generally speaking, there are four main reasons why the computer cannot connect to WIFI: the hardware or software switch turns off the network; the network connection crashes when the system or software is running; the router fails or is disconnected abnormally. Caused by power; an unknown error occurred in the network card.
3. Generally, there are two problems when the computer cannot find the wireless network. One is the wireless network card driver problem, and the other is the computer setting problem. Solution: First open the driver wizard software to check whether the software installed on the computer is the latest. If not, reinstall or upgrade.
4. If the laptop cannot find the wifi at home, it may be due to several reasons. First of all, it may be that the wifi signal is too weak and the laptop cannot detect it. In addition, it may also be due to network connection issues. For example, your home Wi-Fi may have been disconnected or used by other electronic devices.
5. The computer cannot find the wifi at home. It may be that the wifi is not turned on, or the wireless function service is turned off. The solution is as follows: If the wireless function is not turned on, you can use the laptop shortcut keys to turn on the wireless function. .
6. The reason is very likely that there are too many obstacles (such as floors, walls, etc.) in the place where the search cannot be found. Because the signal emitted by the wireless AP is divergent, do not think that it will Turn around obstacles. The wireless switch is not turned on.
See if the wifi switch is turned on. See if your phone can search for wifi. If that doesn't work, you can buy a USB driver-free wireless network card and re-establish the connection.
First of all, the wifi signal may be too weak, causing the laptop to be unable to detect it. In addition, it may also be due to network connection issues. For example, your home Wi-Fi may have been disconnected or used by other electronic devices. Finally, it may also be caused by security issues.
If your laptop cannot connect to your home WiFi, it may be due to the following reasons: Wrong WiFi password: Make sure the WiFi password you enter is correct. Weak signal: If you are too far away from the router or there are obstacles, the signal may become weak. Try moving closer to the router or moving the router location.
How to solve the problem that the laptop cannot find your own home WiFi: Turn on the router, usually 19160.1 or 19161. Open wireless settings. The above reasons are generally due to channel problems. When you open it, you will see the default checked Automatic.
I forgot to turn on the wireless network card of the laptop or the wireless switch was turned off artificially. There is a problem with the wireless router's settings. Wireless network is not turned on. Solution: If you do not see the list of network connections at the bottom of the computer, you need to click on the control panel first and select "Small Icons" in the viewer.
The reason is probably that there are too many obstacles (such as floors, walls, etc.) in the place where the search cannot be found, because the signal emitted by the wireless AP is divergent, so don’t think about it turning around. Open obstacles. The wireless switch is not turned on.
Generally speaking, there are four main reasons why a computer cannot connect to WIFI: a hardware or software switch turns off the network; the network connection crashes during the operation of the system or software; a router malfunctions or an abnormal power outage. ;An unknown error occurred in the network card.
The laptop is too far away from the wireless router at home, so the laptop cannot find the WIFI signal. It is possible that the wireless router at home is set up with wireless Mac address filtering, but after changing the computer or wireless network card, you will no longer be able to access the Internet, so you need to add a new MAC address to the router settings.
How to solve the problem that the laptop cannot find your own home WiFi: Turn on the router, usually 19160.1 or 19161. Open wireless settings. The above reasons are generally due to channel problems. When you open it, you will see the default checked Automatic.
Generally speaking, there are four main reasons why the computer cannot connect to wifi: the hardware or software switch turns off the network; the system or software is running. The network connection crashes; the router malfunctions or an abnormal power outage occurs; the network card encounters an unknown error.
Method 1: Step 1: The computer cannot connect to wifi, and 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. Steps: Click Change Adapter Settings in the upper left corner of the Network and Sharing Center.
Method 4: Check whether it is caused by an IP address conflict; IP address conflicts can also cause you to be unable to access the Internet, so change your IP address in a timely manner.
If the power supply is normal, check whether the power cord is damaged or loose. If the power cord is damaged, replace it and plug it back in. Wireless router settings. The wireless router can only connect to a maximum of 16 wireless devices. If there are more, it will not be able to connect. Some people can connect to WIFI, and some can't.
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