The network speed of telecom wireless network card is extremely slow.

Telecom wireless network card is slow, you can check the following:

There is something wrong with the wireless Internet program. Reinstall the wireless Internet program.

It is possible that the computer is poisoned, which causes the computer to run slowly. You can turn off the computer.

There is something wrong with the wireless Internet port. You can call 10000 and ask the telecom staff to help you refresh the Internet port.

Check whether the wireless network card is plugged in.

You can test it elsewhere to see if the signal is bad.

I hope my answer is helpful to you. If you have any questions, please continue to consult us.