Please help!!!!

After about 6 months of trouble free internet-access and networking between
my main computer (vista 64 ultimate) and my secondary PC (XP Pro64), I turn
on the vista PC one morning and I can neither connect to the internet or
network to other computers ...The only thing that was different was a BIOS
error message "checksum Bad" upon startup where I selected F2 (load default
settings). Internet explorer won't even connect to the default router page
http://198.162.2.1 !!

The network name has now changed to "unidentified network" with "limited
connectivity" and access set to "local only". The XP Pro64 PC on the other
hand, still works fine and can connect to the internet (and my renderfarm
computers) so there doesn't seem to be anything wrong with the router,
however it won't see the vista machine anymore . I have tried of every
troubleshooting procedure I can think of (listed below) with still no luck,
so if anyone has encountered this or knows of a solution please let me know.


Done so far:
1. repaired connection (in diagnostics)
2. automattically optained new IP address (in diagnostics)
3. tested all cables (cat6E)
4. updated router firmware
5. re-booted computers and router
6. tested with different router (setup error message: "couldn't find router")
7. reset onboard network adaptor
8. manually entered IP adress, default gateway DNS server info etc
9. rolled back network adaptor drivers
10. System restore taken back to a time when it was working
11. disabled IPv6 temporarily
12. enabled telnet
13. Manually entered the DNS search suffix "belkin"
14. temporarily disabled the firewall

p.s the router is a Belkin wired/wireless G modem/router,
Ethernet ports (2 on each computer) are both gigabit connections,
all computers share the same workgroup name,
network discovery and file sharing are all on
connection LED's on the ethrnet ports still work/flash fine,
there doesn't seem to be any conflicts in device mangager.

Post back with the result of ipconfig /all (using dhcp and disable IPv6).

--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com


"monkeemanboy" wrote in message
...
Please help!!!!

After about 6 months of trouble free internet-access and networking
between
my main computer (vista 64 ultimate) and my secondary PC (XP Pro64), I
turn
on the vista PC one morning and I can neither connect to the internet or
network to other computers ...The only thing that was different was a
BIOS
error message "checksum Bad" upon startup where I selected F2 (load
default
settings). Internet explorer won't even connect to the default router page
http://198.162.2.1 !!

The network name has now changed to "unidentified network" with "limited
connectivity" and access set to "local only". The XP Pro64 PC on the
other
hand, still works fine and can connect to the internet (and my renderfarm
computers) so there doesn't seem to be anything wrong with the router,
however it won't see the vista machine anymore . I have tried of every
troubleshooting procedure I can think of (listed below) with still no
luck,
so if anyone has encountered this or knows of a solution please let me
know.


Done so far:
1. repaired connection (in diagnostics)
2. automattically optained new IP address (in diagnostics)
3. tested all cables (cat6E)
4. updated router firmware
5. re-booted computers and router
6. tested with different router (setup error message: "couldn't find
router")
7. reset onboard network adaptor
8. manually entered IP adress, default gateway DNS server info etc
9. rolled back network adaptor drivers
10. System restore taken back to a time when it was working
11. disabled IPv6 temporarily
12. enabled telnet
13. Manually entered the DNS search suffix "belkin"
14. temporarily disabled the firewall

p.s the router is a Belkin wired/wireless G modem/router,
Ethernet ports (2 on each computer) are both gigabit connections,
all computers share the same workgroup name,
network discovery and file sharing are all on
connection LED's on the ethrnet ports still work/flash fine,
there doesn't seem to be any conflicts in device mangager.

Hi Robert

Here is the ipconfig for the main computer running vista x64 (DHCP on, Ipv6
off):
..and for comparision I have also listed the ipconfig for other computer
running XP Pro 64 (the one that's working ok) directly underneath it. Hope
it helps!!

Microsoft Windows [Version 6.0.6000]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.

C:\Users\Danipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : FX-74
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
Physical Address. . . . . . . . . : 00-18-F3-D5-C9-FD
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Autoconfiguration IPv4 Address. . : 169.254.148.9(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Local Area Connection* 6:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . :
isatap.{2897D52B-D5DD-4273-9D7A-CD940A116
D28}
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5efe:169.254.148.9%11(Preferred)
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter Local Area Connection* 9:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 02-00-54-55-4E-01
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes





....and here's the ipconfig for the XP Pro computer (the one that's working
ok):


Microsoft Windows [Version 5.2.3790]
(C) Copyright 1985-2003 Microsoft Corp.

C:\Documents and Settings\Administratoripconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : XP Pro64
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : Belkin

Ethernet adapter Local Area Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : NVIDIA nForce Networking Controller #2
Physical Address. . . . . . . . . : 00-E0-81-54-AB-4C

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : Belkin
Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
Physical Address. . . . . . . . . : 00-E0-81-54-AB-4D
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.2.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.2.1
DHCP Server . . . . . . . . . . . : 192.168.2.1
DNS Servers . . . . . . . . . . . : 192.168.2.1
Lease Obtained. . . . . . . . . . : 10 October 2007 12:59:05
Lease Expires . . . . . . . . . . : 09 October 2008 12:59:05



"Robert L (MS-MVP)" wrote:

Post back with the result of ipconfig /all (using dhcp and disable IPv6).

--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com

If it is 169.254.x.x IP this could be the router/DHCP issue. check i fthere
is any new firmware for the router (assuming the router is DHCP server) and
a new driver for NIC. Or thi spost may help,

Vista: local only with 0.0.0.0 default gateway
http://www.chicagotech.net/netforums...pic.php?t=1832

--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com


"monkeemanboy" wrote in message
news
Hi Robert

Here is the ipconfig for the main computer running vista x64 (DHCP on,
Ipv6
off):
..and for comparision I have also listed the ipconfig for other computer
running XP Pro 64 (the one that's working ok) directly underneath it.
Hope
it helps!!

Microsoft Windows [Version 6.0.6000]
Copyright (c) 2006 Microsoft Corporation. All rights reserved.

C:\Users\Danipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : FX-74
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
Physical Address. . . . . . . . . : 00-18-F3-D5-C9-FD
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Autoconfiguration IPv4 Address. . : 169.254.148.9(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.0.0
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Local Area Connection* 6:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . :
isatap.{2897D52B-D5DD-4273-9D7A-CD940A116
D28}
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . :
fe80::5efe:169.254.148.9%11(Preferred)
Default Gateway . . . . . . . . . :
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter Local Area Connection* 9:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 02-00-54-55-4E-01
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes





...and here's the ipconfig for the XP Pro computer (the one that's working
ok):


Microsoft Windows [Version 5.2.3790]
(C) Copyright 1985-2003 Microsoft Corp.

C:\Documents and Settings\Administratoripconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : XP Pro64
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : Belkin

Ethernet adapter Local Area Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
#2
Physical Address. . . . . . . . . : 00-E0-81-54-AB-4C

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : Belkin
Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
Physical Address. . . . . . . . . : 00-E0-81-54-AB-4D
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.2.2
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.2.1
DHCP Server . . . . . . . . . . . : 192.168.2.1
DNS Servers . . . . . . . . . . . : 192.168.2.1
Lease Obtained. . . . . . . . . . : 10 October 2007 12:59:05
Lease Expires . . . . . . . . . . : 09 October 2008 12:59:05



"Robert L (MS-MVP)" wrote:

Post back with the result of ipconfig /all (using dhcp and disable IPv6).

--
Bob Lin, MS-MVP, MCSE & CNE
Networking, Internet, Routing, VPN Troubleshooting on
http://www.ChicagoTech.net
How to Setup Windows, Network, VPN & Remote Access on
http://www.HowToNetworking.com

Hi Robert

Firstly in answer to your question; yes I have already updated to the most
recent firmware for the router (which is a fairly recent model anyway). As
for the NIC, it's an onboard network adaptor (dual gigabit) so I looked on
the ASUS website and there doesn't seem to be any seperate drivers for the
network adaptor (mobo model: L1N64-Sli). Is it worth updating the BIOS?

Thanks for the link too. I tried all suggestions listed but still no luck.

These are what I did:

deleted default gateway 0.0.0.0
disabled Ipv6
turned off power saving option in network adaptor properties
created new registry key "DhcpConnEnableBcastFlagToggle"
changed registry key "DhcpConnForceBroadcastFlag" from 1 to 0
reset winsock.exe
assigned static IP adress info

Here's the Ipconfig /all after manually entering IP info:


C:\Users\Danipconfig /all

Windows IP Configuration

Host Name . . . . . . . . . . . . : FX-74
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : Belkin (I manually added this one)

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . : Belkin
Description . . . . . . . . . . . : NVIDIA nForce Networking Controller
Physical Address. . . . . . . . . : 00-18-F3-D5-C9-FD
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
IPv4 Address. . . . . . . . . . . : 192.168.2.3(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.2.1
DNS Servers . . . . . . . . . . . : 192.168.2.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter Local Area Connection* 6:

Connection-specific DNS Suffix . : Belkin
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::5efe:192.168.2.3%14(Preferred)
Default Gateway . . . . . . . . . :
DNS Servers . . . . . . . . . . . : 192.168.2.1
NetBIOS over Tcpip. . . . . . . . : Disabled

Tunnel adapter Local Area Connection* 9:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 02-00-54-55-4E-01
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes


Any other suggestions??? If I bought a seperate NIC card would that fix it?
...or will I have to resort to a USB to ethernet connection?


"Robert L (MS-MVP)" wrote:

If it is 169.254.x.x IP this could be the router/DHCP issue. check i fthere
is any new firmware for the router (assuming the router is DHCP server) and
a new driver for NIC. Or thi spost may help,

Vista: local only with 0.0.0.0 default gateway
http://www.chicagotech.net/netforums...pic.php?t=1832