I've got Windows XP SP2 laptop here in the office, and the user today complained of not being able to get on the internet, e-mail, network files, etc. I noticed the DHCP and DNS client services won't start. An error pops up citing dependent services not starting when I try to start them manually.
I looked around a bit more and i saw the TCP/IP Protocol Driver in the Device Manager (under non-Plug-and-Play Drivers) had an exclamation point next to it. I made the mistake of uninstalling it thinking I could reinstall it there, and now I can't get it to reappear in this section even though I've reinstalled the TCP/IP on the NIC many times. I continue to get TCP/IP errors in the Event Viewer, saying "specified driver is invalid."
How can I get the TCP/IP Protocol Driver to appear in the device manager again? I assume that its absence there might be the reason for all this.
Any and all help would be appreciated.