Let me tell you what to do if the modem has been deleted. Hope this helps everyone.

The steps are as follows:
1. There are generally two possibilities for the situation where the computer cannot dial-up the Internet and prompts that the modem has been deleted.
(1) The connection between our computer and modem is poor.
(2) It may be that dial-up Internet-related services such as netware are uninstalled, resulting in the inability to dial-up Internet access and prompting this error.
1. Modem is what we often call it, and everyone is accustomed to calling it "cat". It can be divided into internal modem and external modem. Generally, the laptop or desktop computer we use has an external modem. Therefore, when the computer cannot dial-up to access the Internet, it will prompt that the modem has been deleted. First, we need to check whether the computer and the modem are connected normally, and then check other situations.
2. If you have uninstalled the Netware service, a prompt that the demodulator has been deleted will appear, making it impossible to dial-up the Internet. Just find Install next to Uninstall, select Client Service, and just click on it. After that, right-click on the modem deleted connection, delete it, create a new connection, and restore it.

2. The modem has been deleted. Netizen’s answer.
If you encounter the problem that the modem has been deleted, resulting in the inability to dial-up Internet access, please first check whether the modem is connected to the computer and whether the communication is normal, and then check the related items mentioned above. In addition, if the network card driver is not installed or there is a problem, it will also cause such problems. It is recommended that you uninstall the original driver and reinstall the driver to restore the settings and generally solve it. If you still have questions, please ask in the comments below.
This is the introduction of what to do if the modem has been deleted. If your computer cannot access the Internet, first check to see if the modem has been deleted. If so, you can solve it according to the above content. Hope this helps!