Still not real fixed

The net card workes now and I could even install the sound card but the PC is very not responding. After one operating the next stops to a ctr-alt-del shutdown. It is a old board but don't want to trash it if I can help it. Could it be a powersupply problem? It will stall even when I try to reinstall windows.
As JP says winipcfg will work but IMO it is good to know ipconfig for the OS vers that don't have winip. What OS has
SFC. that is a neat pro.