Lost networking

[Steve rayner]

My son who lives on his own brought his PC back to me as
it was "playing up". He had tried to install SP2 on it
and has now lost all network connectivity.

Anyway after cleaning it of the 10 different viruses and
130 plus pieces of spyware on it networking is still not
working.

The network icon in the tray has a little yellow tag on
it. If I try and repair the connection I get a message
about not being able to get an IP address.

The network card in working and DHCP is enabled. IP
adresses are obtained from my DI-624 router which works
just fine for the other PCs on the network. This PC
cannot ping the router.

I have even tried reinstalling XP with SP2 over the top
of the existing install but the problem persists.

Does anyone have any ideas? It is starting to look like
I will have to reformat and reinstall for him.

Thanks

 

[Ben]

There seems to be a problem in SP2 with the Browser
Service. A number of us (I suspect ALL of us...) can't
browse the LAN after installing SP2. DHCP won't work
because SP2 can't browse the DHCP server.

First of all, turn off SP2's firewall if you're behind a
router with a firewall.

To get back on the Internet, disable DHCP on the router
and assign a static IP to the router. Then assign static
IPs to each PC on the LAN, using the routers' static IP as
the gateway address. Use your ISP's external DNS servers
for DNS on all the machines. At least then you'll have
Internet, although given your son's virus proclivities,
that might not be wise...

Network connectivity seems to work, you can manually
assign network resources such as shared printers by
specifying the path manually, you just can't use
the 'browse' button or the 'show workgroup computers'
function in Network neigborhood. If you have to share
files and folders, you'll have to map a network drive to
each and every one.

Regards,
-Ben

 

[Chuck]

My son who lives on his own brought his PC back to me as
it was "playing up". He had tried to install SP2 on it
and has now lost all network connectivity.

Anyway after cleaning it of the 10 different viruses and
130 plus pieces of spyware on it networking is still not
working.

The network icon in the tray has a little yellow tag on
it. If I try and repair the connection I get a message
about not being able to get an IP address.

The network card in working and DHCP is enabled. IP
adresses are obtained from my DI-624 router which works
just fine for the other PCs on the network. This PC
cannot ping the router.

I have even tried reinstalling XP with SP2 over the top
of the existing install but the problem persists.

Does anyone have any ideas? It is starting to look like
I will have to reformat and reinstall for him.

Thanks

Steve,

Check for problems with the LSP / Winsock subsystem.
<http://support.microsoft.com/?id=811259>

Give LSP-Fix and WinsockLSPFix a shot <http://www.cexx.org/lspfix.htm>

If that doesn't help, reset TCP/IP.
http://support.microsoft.com/?id=299357

Start - Run - "cmd". Type "netsh int ip reset c:\netsh.txt" into the command
window.

Please provide ipconfig information for the problem computer, and for one
otherwise working computer.
Start - Run - "cmd". Type "ipconfig /all >c:\ipconfig.txt" into the command
window - Open c:\ipconfig.txt in Notepad, copy and paste into your next post.
Identify operating system (by name and version) with each ipconfig listing.

And Steve, please don't contribute to the spread and success of email address
mining viruses. Learn to munge your email address properly, to keep yourself a
bit safer when posting to open forums. Protect yourself and the rest of the
internet - read this article.
http://www.mailmsg.com/SPAM_munging.htm

Cheers,
Chuck
Paranoia comes from experience - and is not necessarily a bad thing.