Need help!

Intel UNDI, PXE-2.1 (build 083)
Copyright (C) 1997-2000 Intel Corporation
This product is covered by one or more of the following patents:
US5,307,459, US5434,872, US5,732,094, US6,570,884, US6,115776 and
US6,327,625
Realtek PCIe GBE Family Controller Series v2.46 (03/23/12)
PXE-E61 media test failure, check cable
PXE-M8F: Exiting PXE ROM
Rebot and Select proper Boot device
or Insert Boot Media in selected Boot device and press any key_

Any help with how to fix this? Windows 8 laptop.
ASUS K55A
Thanks

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