my wife has a leptor with Windows XP, she decided to make it a little faster, threw out many unnecessary programs and after that the Internet power button stopped functioning. I activated it again by downloading the activation file from the manufacturer's website of this computer. but there is no Internet. Motsila gives out that the server was not found.
Depending on the device connection scheme and how the router is configured: Distribution via dhcp comes from the router or statically. And it is also possible that the PC does not automatically receive ip.