There is no network on Linux. On the same disk on Win7 everything is fine. Tried all the tips from the tutorials. Sense 0. Tips?

Question

Computer networks

On topic, amateur. I insert a recorded live flash drive with any Lnux and the Internet disappears. On the installed Linux Mint system, I can not configure the network. Applies to all Linux systems. Before that, I changed the percentage and memory. Where to dig, I do not know. I called the ufanet system administrator, he says that the router sends a signal, but the computer does not receive it. Lace network. For now, some questions. Hope for help.