Question : Ping causes system beep but still goes through no network abilities though.

Our AVG software removed a virus and now all network connections are down. I can still get a DHCP and I can sort of ping. The ping goes through but there is an odd system beep and some weird characters following the address.

Thinking it may be a .dll or something that got removed in the driver, I tried the following.
I have installed the latest network drivers from nvidia (it is a 6100/410 chipset).
I also installed a stand alone Linksys card, and disabled the onboard.

No luck so I think it may be something in XP (sp2). No real errors to speak of in event viewer, just a few regarding network access that could not connect.

Attached it the output from ping.

Code Snippet:

         
             Pinging ntmail.alanritchey.loc [øÜ] with 32 bytes of data:
 
Reply from 192.168.0.205: bytes=32 time<1ms TTL=128
Reply from 192.168.0.205: bytes=32 time<1ms TTL=128
Reply from 192.168.0.205: bytes=32 time<1ms TTL=128
Reply from 192.168.0.205: bytes=32 time<1ms TTL=128
 
Ping statistics for 	:
    Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),

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Answer : Ping causes system beep but still goes through no network abilities though.

This is a thoruogh solution that I use in a lot of cases, as well as this in this sort of thread.....
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Are the following services started, and set to automatic in Start>run>services.msc.....

Network Connections
DHCP
DNS
Netbios TCP Helper

Make sure that you can ping by name and/or IP address.....

Start>run>cmd.exe

ping 4.2.2.2
ping google.com

Do both of these fail, or just one?

To totally rebuild your network connections.....

Go to the Device Manager>Network Adapters, and remove ALL NIC's from the device manager..

In the Device Manager, select View>Show Hidden Devices

(If the Show Hidden devices is not present, do the following command from a command prompt..)

start>run>cmd
set devmgr_show_nonpresent_devices=1

More information on that command here....
Device Manager does not display devices that are not connected to the Windows XP-based computer
http://support.microsoft.com/kb/315539

Go back to Network Adapters in the Device Manager, and make sure your adapters are all gone, including any older ones. (there will be several ' miniport' devices that are not able to be uninstalled....)

Then....

Start>run>CMD.exe

netsh int ip reset reset.log
netsh firewall reset
netsh winsock reset

Reboot and let Windows reinstall them...

Then make sure that the SP2/3rd party firewalls are all disabled, and retest....

For extreme cases, where TCPIP is totally shot.......

How to remove and reinstall TCP/IP on a Windows Server 2003 domain ...
http://support.microsoft.com/kb/325356

This article allws you to UNINSTALL (yes, uninstall, by removing the limitation that greys out the uninstall button) and reinstall TCPIP (not just resetting the stack). I have tested this, and it does work. For XP though, please start with line 5.