This Win8 running on a HP PC with 12 GB Ram sometimes will suddenly lost the network connection. As the result, no LAN, no internet connection at all. At the same time, other computers around connecting to the same switch are able to connect and have no problem at all.
I have to completely shut down and power off, and after turning power back on the connection is then back normal--- until next time it happens. It may happen once a day but may not for several weeks. What could be wrong? How to fix?