Lost Connectivity to one PC on a 2-PC Wired Network w/Router

[glamart]

My network has been operating fine for a year with 2 XP Pro SP2 PCs.
A few days ago, PC 2 failed to come up on the network (PC2 works
fine otherwise). It does show that it is connected in the network
status at 100mbps but no IP address are any other info.

Replaced the router (we keep an identical router preconfigured and
regularly tested),
replaced the NIC and installed new driver on PC2,
checked cat5e cabling with an Ethernet cable tester,
Tried a "Repair" and receive the message "Failed to query TCP/IP
settings. Cannot proceed."
PC1 works fine and connects through the router to the Internet,
Cannot ping PC2 from PC1,
Cannot ping 127.0.0.1 from PC2 and get the message "Unable to
contact IP driver Error Code 2.",
When running ipconfig /all from PC2, receive a message "Unable to
query host name".

We are in need of help - Thanks in advance!

 

[glamart]

None of the network services are running (DHCP, DNS, etc.). The
event log indicates that the tcpip protocol driver will not start
because the specified driver is invalid. Any idea how to remedy this
or extract a new driver from SP2?
Thanks!

 

[Chuck]

None of the network services are running (DHCP, DNS, etc.). The
event log indicates that the tcpip protocol driver will not start
because the specified driver is invalid. Any idea how to remedy this
or extract a new driver from SP2?
Thanks!

With Windows XP, you can't reinstall TCP/IP, you can only reset it. Try:
# Resetting LSP / Winsock.
# Resetting TCP/IP.
# Un installing / re installing network card and drivers.
<http://nitecruzr.blogspot.com/2005/05/problems-with-lsp-winsock-layer-in.html>

Also, try a System File Check. Open a command window (Start - Run - "cmd").
Type "sfc /scannow". But have your system install CD handy.
<http://www.microsoft.com/technet/pr...elp/2a2ba2f1-11ab-46ba-bec3-945b0b4cbf5f.mspx>

 

[glamart]

None of the network services are running (DHCP, DNS, etc.). The
event log indicates that the tcpip protocol driver will not start
because the specified driver is invalid. Any idea how to remedy
this
or extract a new driver from SP2?
Thanks!

With Windows XP, you can't reinstall TCP/IP, you can only reset
it. Try:
# Resetting LSP / Winsock.
# Resetting TCP/IP.
# Un installing / re installing network card and drivers.
<http://nitecruzr.blogspot.com/2005/05/problems-with-lsp-winsock-layer-in.html>

Also, try a System File Check. Open a command window (Start -
Run - "cmd").
Type "sfc /scannow". But have your system install CD handy.
<http://www.microsoft.com/technet/pr...elp/2a2ba2f1-11ab-46ba-bec3-945b0b4cbf5f.mspx>

--
Cheers,
Chuck, MS-MVP [Windows - Networking]
http://nitecruzr.blogspot.com/
Paranoia is not a problem, when it's a normal response from
experience.
My email is AT DOT
actual address pchuck mvps org.

Thanks for the response Chuck

No joy so far after resetting LSP/Winsock, resetting TCP/IP and
uninstalling/reinstalling the NIC. I am down to SFC which I have
never had good luck with. I'm not sure what SFC is going to do. My
original CD is a WinXP vintage and I have installed SP 1 &2 plus
numerous updates. Will it trash all of the SPs and updates? It ask
for a CD - which one - it can't find any that I put in the drive?
--

 

[glamart]

None of the network services are running (DHCP, DNS, etc.). The
event log indicates that the tcpip protocol driver will not start
because the specified driver is invalid. Any idea how to remedy
this
or extract a new driver from SP2?
Thanks!

With Windows XP, you can't reinstall TCP/IP, you can only reset
it. Try:
# Resetting LSP / Winsock.
# Resetting TCP/IP.
# Un installing / re installing network card and drivers.
<http://nitecruzr.blogspot.com/2005/05/problems-with-lsp-winsock-layer-in.html>

Also, try a System File Check. Open a command window (Start -
Run - "cmd").
Type "sfc /scannow". But have your system install CD handy.
<http://www.microsoft.com/technet/pr...elp/2a2ba2f1-11ab-46ba-bec3-945b0b4cbf5f.mspx>

--
Cheers,
Chuck, MS-MVP [Windows - Networking]
http://nitecruzr.blogspot.com/
Paranoia is not a problem, when it's a normal response from
experience.
My email is AT DOT
actual address pchuck mvps org.

Thanks for the response Chuck

No joy so far after resetting LSP/Winsock, resetting TCP/IP and
uninstalling/reinstalling the NIC. I am down to SFC which I have
never had good luck with. I'm not sure what SFC is going to do. My
original CD is a WinXP vintage and I have installed SP 1 &2 plus
numerous updates. Will it trash all of the SPs and updates? It ask
for a CD - which one - it can't find any that I put in the drive?

OK, I got SFC to run after searching the MS KBs and no messages were
generated so I assume that the system files are OK. Still cannot get
the network services to run (DHCP, DNS, etc.).
Any thoughts will be appreciated - it is almost reformat and
reinstall time, which is really a killer for us.