There are several possibilities: 1. There are too many startup programs and the startup process is slow, which causes the network connection to fail to respond normally; 2. There is a problem with the on-board network card, which may be due to poor interface. It is recommended to replace an independent network card (not expensive, but much better performance); 3. There is a problem with the system. It is recommended to reinstall it and update it to the latest version. Then try connecting to the network; 4. The physical connection of the network may be poor. It is recommended to check each port in detail and replace all ports that may be faulty; 5. Take the chassis to another place, and try to replace it with an Internet port;
Find my computer on the desktop, right click, properties, hardware, and device manager, delete the network adapter, scan again for hardware changes, and install the network adapter once according to the prompts.
Many people have had your problem.It's not a setup problem. There should be something wrong with the software.It may also be a virus. It is recommended that you build a system to prevent viruses. Antivirus software can only prevent viruses. If it is really poisoned, you can't count on it. Do you use dial-up or network card?It is recommended to reinstall the program. Or do a system. Faults like this are good and bad.It is generally solved by replacement and exclusion.
Find another notebook or make a jumper first.Check whether it is a hardware problem. Then troubleshoot software problems.
Step 1, troubleshoot hardware problems.2. Reinstall the dial-up or driver software. 3. Make the system.
As far as I know, the Windows system has no such restrictions. I don't know your specific situation, so it's not easy to answer.There are many cases of not being connected to the Internet
