29.12.2017, 21:54
Computer won't boot "Reboot and Select proper Boot device or Insert Boot Media in sel
Beginner
Computer won't boot "Reboot and Select proper Boot device or Insert Boot Media in selected Boot device and press a key." 
everytime i turn on the computer a black screen pop up saying
"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, US5,434,872, US5,732,094, US6,570,884, US^,115,776 and
US6,327,625
Realtek PCIe FE Family Controller Series v1.27 (10/31/11)
PXE-E61: Media Test Failure, Check Cable
PXE-M0F: Exiting PXE Rom.
Reboot and Select proper Boot device
or Insert Boot Media in selected Boot device and press a key."
i can't even do anything on the computer and when trying to use the media disk it stays on a black screen.