How to FIX - Marvell Yukon 88E850 PCI-E Gigabit been OFF after reboot on 1GB Connection 1 - Download NSSM from http://www.nssm.cc/download > and extract nssm.exe x64 or x32 depending of what OS version you are using on your C:\Windows (you could put it somewhere else and configure paths accordingly) 2 - create on BAT file with this contents : ECHO OFF netsh interface set interface "Local Area Connection" disabled netsh interface set interface "Local Area Connection" enabled 3 - Save this BAT file, for Example FixNetworkCard.bat and save it in C:\Windows\FixNetworkCard.bat 4 - now, open a CMD and write this command to create this SERVICE:                a - C:\Windows\System32>nssm install FixNetworkCard