Компьютер выдаёт Intel UNDI, PXE-2.1 (build 083) Что делать? Помогите пожалуйста

Intel UNDI, PXE-2.1 (build 083)
Copyright (c) 1997-2000 ) Intel Corpatation

This Product is covered by one or more of the following patents:
US5,307,459, US5,434,872, US5,732,094, US6,570,884, US6,115,776 and
US6,327,625

Realtel Pcle GBE Family Controller Series v2.45 (06/22/12)
PXE-E61 : Media test Failure, check cable

PXE-MOF : Exiting PXE ROM.
Error 1962: No operating system found. Press any to repeat boot seguence.