The laptop cannot search for WIFI, but the mobile phone can. The reason: the computer is too far away from the router. Received 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.
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.
System service problem. This is the most easily overlooked, and most of the problems of not being able to find a wifi signal basically arise here.
) Check whether the notebook can find other wifi signals. If the notebook cannot find any wifi signals, it may be that the wifi driver is not installed or the wifi switch is not turned on. The wifi switch varies depending on different laptops. Some are a physical button switch, and some are function keys on the keyboard such as the Fn XX key.
1. The reason why the laptop cannot find wifi but the mobile phone can: 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. If the mobile phone cannot connect to the wifi computer, there are two methods: Method: Restart the router. Restart the router, and then use the computer to connect to WIFI again. Method: Turn off the computer firewall settings to eliminate firewall setting problems.
3. 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.
4. Generally there are the following possibilities: the computer's wireless network card driver is not installed or is damaged - reinstall or update the wireless network card driver.
5. Right-click on the wifi signal name - Delete network. Then the network will be deleted from your computer, you can search for the wifi signal again, and then enter the password to try to connect.
6. There is a problem with the wireless network card driver of the computer, resulting in the inability to connect to the wireless network. You can try reinstalling the wireless network card driver. The distance between the computer and the router is too long or there are too many obstacles, and the signal is interfered or blocked. You can try moving the computer and router closer or reducing obstacles.
1. The mobile phone can connect to wifi but the computer cannot connect. There are two methods: Method Restart the router. Restart the router, and then use the computer to connect to WIFI again. Method: Turn off the computer firewall settings to eliminate firewall setting problems.
2. The reasons why the mobile phone can connect to wifi but the computer cannot connect may include: there is a problem with the wireless network card; there is a problem with the wireless network settings. The detection method is as follows: First, check the network card. Checked from the Network and Sharing Center, I checked from the Network and Sharing Center.
3. Taking the Win10 system as an example, the main reasons and operations are as follows: If the computer cannot connect to wifi but the mobile phone can, it may be a problem with the wireless network settings; it may also be a problem with the wireless network card; it may also be The wifi password has been changed, and the phone has been connected to the new wifi password.
4. When the problem that the mobile phone's wifi is connected and cannot access the Internet occurs, first check whether it is a sudden problem with the mobile phone itself. You can shut down and restart the connection to see if this situation still occurs. Or use another mobile phone or device to connect to WiFi and try to see if you can access the Internet to eliminate problems with the WiFi itself.
5.: Take the connection via wireless network card as an example. First check the status of the current connection. On the status page, the main information to check is the IP address of the DNS server and whether it is the current computer address.
1. The mobile phone can connect to wifi but the computer cannot connect. There are two methods: Method Restart the router. Restart the router, and then use the computer to connect to WIFI again. Method: Turn off the computer firewall settings to eliminate firewall setting problems.
2. This situation should be a problem with computer settings. Check whether the computer's wireless network card is normal. Check whether the computer's wireless network settings are normal. Check whether the WiFi password was entered incorrectly.
3. The reasons why the laptop cannot access the Internet even after it is connected to the wireless network are: First: it cannot automatically obtain the IP, which can be solved by setting a static IP on the computer. Assume that the router's IP is 19161. See the label or instructions on the router box.
4. The reasons why computers and mobile phones cannot connect to wireless networks are: External network problems, that is, the network service provider's communication link failure or server failure causes the network to be disconnected, so the WiFi signal emitted by the router and the external network If it is not connected, computers and mobile phones cannot use the WiFi signal.
5. It is possible that the computer’s DNS resolution failed. Proceed as follows: In XP system, right-click →→→→ and click.
1. The reason why the laptop can’t find the wifi, but the mobile phone can: The computer is too far away from the router to accept it. to 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. 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.
3. If yes, it means there is a problem with the wireless network settings. If not, it means there is no problem with the wireless network card and wireless network, which may be the third possibility. If it is a problem with wireless network settings, then right-click on the wireless network, find Properties at the bottom of the dialog box, and left-click.
1. Some computers or mobile phones cannot search for wireless signals. This may be because the wireless signal they want to search for is Chinese character names result in garbled characters that cannot be recognized. Then the solution is relatively simple, just change the wireless name.
2. There is a problem with the wireless network card of the computer. There is a problem with your computer's wireless network settings. The WiFi password has been changed. The computer has not updated its password. Solution: Check the network card. Right click on the network display in the lower right corner, the Network and Sharing Center dialog box will appear, click to open the Network and Sharing Center.
3. Start menu--Control Panel--Network and Sharing Center--Change Adapter-Whether wireless connection is on. If it is disabled, it needs to be enabled.
4. If the mobile phone cannot connect to the wifi computer, there are two methods: Method: Restart the router. Restart the router, and then use the computer to connect to WIFI again. Method: Turn off the computer firewall settings to eliminate firewall setting problems.
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