Keep dropping LAN connection but have WiFi

hope7

Honorable
Jun 3, 2013
2
0
10,510
DHCP enabled IP v4
have checked ipconfig /all, release, renew,netsh winsock, flushdns; (safemode also,) have run Troubleshoot "as admin" error could identify problem
checked modem settings, dhcp enabled rebooted system and modem (numerous)
(diagnose) LAN connection dose not have a valid IP configuration; Firewall = MSFTnetwk services access inbound, outbound.

tia