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3 Posts

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March 16th, 2006 01:00

Network Problems - was working before - not now

Network Layout:
 
Computer 1: Compaq Presario (Win 98, Pent. II) Name = COMPAQ
Computer 2: Dell Dimension (Win XP Home, Pent. 4) Name = DELL
Computer 3: Dell Inspiron 6000 (Win XP Media, Centrino) Name = LAPTOP (Problem PC)
 
All are connected to a Linksys WRT54G router which is connected to internet
 
Diagnostics: Computers 1 and 2 are able to communicate correctly (File and print sharing work correctly and are able to access internet)
 
All PCs are able to access the internet
 
Computer 3:
Pings:
192.168.1.100 (PC #2) ---> Works
DELL ---> Host not found
192.168.1.101 (PC #1) ---> Works
COMPAQ ---> Host not found
192.168.1.102 (PC #3) ---> Works
LAPTOP ---> Works
 
Ping from COMPAQ to LAPTOP:  Host not found
Ping from COMPAQ to 192.168.1.102: Host not found
Ping from DELL to LAPTOP:  Host not found
Ping from DELL to 192.168.1.102: Host not found
 
In short, the laptop is able to ping the other computers if the IP address is used, but not if I use the name of the PC.  The other computers are unable to even ping the Laptop PC
 
Attempts to fix:
System Restore:
Reset router and all PCs
Checked Workgroup names and PC names
Attempted bypass of router (directly connected Laptop to Dell)
 
The entire network has been working perfectly for 2 months, and all the sudden, this problem occured when the lapton pc lost its network connection.
 
Any ideas on why this is happening, or even better, how to fix the problem?

1 Message

March 16th, 2006 07:00

Hi,

I think I know what is going on.
NetBios name solving problem.

Try to change your LAPTOP'S settings in "Local Area Network" -> "Advanced TCP/IP"
-> WINS -> "NetBios Setting" -> "Enable NetBios over TCP/IP"

Hope this helps.

//R

3 Posts

March 17th, 2006 01:00

I found the problem - I have the trial version of Trend Micro Internet Security installed, and it downloaded an update just before the problem, I was able to fix the problem by adding the lan IP addresses to the exceptions list in the firewall.
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