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uk.comp.home-networking (UK home networking) (uk.comp.home-networking) Discussion of all aspects of computer networking in the home, regardless of the platforms, software, topologies and protocols used. Examples of topics include recommendations for hardware or suppliers (e.g. NICs and cabling), protocols, servers, and specific network software. Advertising is not allowed.

Limited connectivity...



 
 
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  #1  
Old April 30th 11, 04:12 PM posted to uk.comp.homebuilt,uk.comp.home-networking
Jake
external usenet poster
 
Posts: 8
Default Limited connectivity...

Have a laptop that won't access internet. W7, no malware found. Wi-fi
network setups are OK, have tested several networks, and other devices work
fine on these networks.

Connects to networks OK, whether secured or unsecured, but the exclamation
mark triangle shows. Also no connectivity when connected with a network
cable.

Is set to use DHCP and automatically obtain an IP. It gets an IP from both
direct cable and wireless. netsh i i r r and the usual ipconfig /release and
renew have no effect.

Diagnosing the computer's network, it says "Default gateway is not
available". But the default gateway is correctly listed, and other devices,
including W7 devices, work fine. Any ideas?


  #2  
Old April 30th 11, 08:20 PM posted to uk.comp.homebuilt,uk.comp.home-networking
Dave-UK
external usenet poster
 
Posts: 1
Default Limited connectivity...


"Jake" wrote in message ...
Have a laptop that won't access internet. W7, no malware found. Wi-fi
network setups are OK, have tested several networks, and other devices work
fine on these networks.

Connects to networks OK, whether secured or unsecured, but the exclamation
mark triangle shows. Also no connectivity when connected with a network
cable.

Is set to use DHCP and automatically obtain an IP. It gets an IP from both
direct cable and wireless. netsh i i r r and the usual ipconfig /release and
renew have no effect.

Diagnosing the computer's network, it says "Default gateway is not
available". But the default gateway is correctly listed, and other devices,
including W7 devices, work fine. Any ideas?



Not really any definite ideas, but I had a similar situation with Win7 not being able
to connect to the internet.
I eventually fixed it with Malwarebytes. I know you said there was no malware found
but if you haven't tried Malwarebytes it may be worth a try.
I ran a full scan in Safe Mode and it found a suspect registry entry. I can't remember
exactly what it was now unfortunately.




  #3  
Old April 30th 11, 10:36 PM posted to uk.comp.homebuilt,uk.comp.home-networking
SteveR
external usenet poster
 
Posts: 1
Default Limited connectivity...

Jake writes:
Have a laptop that won't access internet. W7, no malware found. Wi-fi
network setups are OK, have tested several networks, and other devices work
fine on these networks.

Connects to networks OK, whether secured or unsecured, but the exclamation
mark triangle shows. Also no connectivity when connected with a network
cable.

Is set to use DHCP and automatically obtain an IP. It gets an IP from both
direct cable and wireless. netsh i i r r and the usual ipconfig /release and
renew have no effect.

Diagnosing the computer's network, it says "Default gateway is not
available". But the default gateway is correctly listed, and other devices,
including W7 devices, work fine. Any ideas?


Are you letting it get an IP address from both wired and wireless at the
same time? This will fuse its brain if both interfaces wind up with the
same subnet (likely if they are both getting DHCP responses from the
same device). Can you ping other machines in your network?

--
SteveR, transplanted to a better place
  #4  
Old May 1st 11, 12:51 AM posted to uk.comp.homebuilt,uk.comp.home-networking
Jake
external usenet poster
 
Posts: 8
Default Limited connectivity...


"Dave-UK" wrote in message
...

"Jake" wrote in message
...
Have a laptop that won't access internet. W7, no malware found. Wi-fi
network setups are OK, have tested several networks, and other devices
work fine on these networks.

Connects to networks OK, whether secured or unsecured, but the
exclamation mark triangle shows. Also no connectivity when connected with
a network cable.

Is set to use DHCP and automatically obtain an IP. It gets an IP from
both direct cable and wireless. netsh i i r r and the usual ipconfig
/release and renew have no effect.

Diagnosing the computer's network, it says "Default gateway is not
available". But the default gateway is correctly listed, and other
devices, including W7 devices, work fine. Any ideas?


Not really any definite ideas, but I had a similar situation with Win7 not
being able
to connect to the internet.
I eventually fixed it with Malwarebytes. I know you said there was no
malware found
but if you haven't tried Malwarebytes it may be worth a try.
I ran a full scan in Safe Mode and it found a suspect registry entry. I
can't remember
exactly what it was now unfortunately.


Funny you should say that, I had MWB installed on it but couldn't update it
due to the lack of internet connection, so the databases were two months out
of date. Scanned and found nothing. Hoping a fresh download from another PC
onto a pen drive and install on the problem laptop would have solved the
databases problem, I was wrong, the databases then became 5 months out of
date.

However, I found the recent definitions executable installer on their site
and loaded that, was 10 days out of date, but should be good enough. Scanned
in safe mode and also in normal mode and found nothing though. Problem
remains.

Thanks for the tip.


  #5  
Old May 1st 11, 12:58 AM posted to uk.comp.homebuilt,uk.comp.home-networking
Jake
external usenet poster
 
Posts: 8
Default Limited connectivity...


"SteveR" wrote in message
...
Jake writes:
Have a laptop that won't access internet. W7, no malware found. Wi-fi
network setups are OK, have tested several networks, and other devices
work
fine on these networks.

Connects to networks OK, whether secured or unsecured, but the exclamation
mark triangle shows. Also no connectivity when connected with a network
cable.

Is set to use DHCP and automatically obtain an IP. It gets an IP from both
direct cable and wireless. netsh i i r r and the usual ipconfig /release
and
renew have no effect.

Diagnosing the computer's network, it says "Default gateway is not
available". But the default gateway is correctly listed, and other
devices,
including W7 devices, work fine. Any ideas?


Are you letting it get an IP address from both wired and wireless at the
same time? This will fuse its brain if both interfaces wind up with the
same subnet (likely if they are both getting DHCP responses from the same
device). Can you ping other machines in your network?


No, the devices were independently connected. Still, I have had wireless and
wifi running simultaneously before on different machines and it all worked
fine.

Cannot ping the problem machine (192.168.1.7) from this one, (192.168.1.2)
but can ping the default gateway and all other devices on network.

Problem machine cannot ping default gateway or any other devices on the
network, although it can ping it's own IP address assigned by the router,
which is in the same range as the default gateway (192.168.1.1)


  #6  
Old May 1st 11, 02:10 AM posted to uk.comp.homebuilt,uk.comp.home-networking
Bill
external usenet poster
 
Posts: 3
Default Limited connectivity...

In message , Jake
writes

"SteveR" wrote in message
...
Jake writes:
Have a laptop that won't access internet. W7, no malware found. Wi-fi
network setups are OK, have tested several networks, and other devices
work
fine on these networks.

Connects to networks OK, whether secured or unsecured, but the exclamation
mark triangle shows. Also no connectivity when connected with a network
cable.

Is set to use DHCP and automatically obtain an IP. It gets an IP from both
direct cable and wireless. netsh i i r r and the usual ipconfig /release
and
renew have no effect.

Diagnosing the computer's network, it says "Default gateway is not
available". But the default gateway is correctly listed, and other
devices,
including W7 devices, work fine. Any ideas?


Are you letting it get an IP address from both wired and wireless at the
same time? This will fuse its brain if both interfaces wind up with the
same subnet (likely if they are both getting DHCP responses from the same
device). Can you ping other machines in your network?


No, the devices were independently connected. Still, I have had wireless and
wifi running simultaneously before on different machines and it all worked
fine.

Cannot ping the problem machine (192.168.1.7) from this one, (192.168.1.2)
but can ping the default gateway and all other devices on network.

Problem machine cannot ping default gateway or any other devices on the
network, although it can ping it's own IP address assigned by the router,
which is in the same range as the default gateway (192.168.1.1)


If you do ipconfig /all at a command prompt, what does it say for Node
Type?
--
Bill
  #7  
Old May 1st 11, 03:20 AM posted to uk.comp.homebuilt,uk.comp.home-networking
Jake
external usenet poster
 
Posts: 8
Default Limited connectivity...


"Bill" wrote in message
...
In message , Jake
writes

"SteveR" wrote in
message
...
Jake writes:
Have a laptop that won't access internet. W7, no malware found. Wi-fi
network setups are OK, have tested several networks, and other devices
work
fine on these networks.

Connects to networks OK, whether secured or unsecured, but the
exclamation
mark triangle shows. Also no connectivity when connected with a network
cable.

Is set to use DHCP and automatically obtain an IP. It gets an IP from
both
direct cable and wireless. netsh i i r r and the usual ipconfig /release
and
renew have no effect.

Diagnosing the computer's network, it says "Default gateway is not
available". But the default gateway is correctly listed, and other
devices,
including W7 devices, work fine. Any ideas?

Are you letting it get an IP address from both wired and wireless at the
same time? This will fuse its brain if both interfaces wind up with the
same subnet (likely if they are both getting DHCP responses from the
same
device). Can you ping other machines in your network?


No, the devices were independently connected. Still, I have had wireless
and
wifi running simultaneously before on different machines and it all worked
fine.

Cannot ping the problem machine (192.168.1.7) from this one, (192.168.1.2)
but can ping the default gateway and all other devices on network.

Problem machine cannot ping default gateway or any other devices on the
network, although it can ping it's own IP address assigned by the router,
which is in the same range as the default gateway (192.168.1.1)


If you do ipconfig /all at a command prompt, what does it say for Node
Type?


Node type . . . . . . . . . . . . : Hybrid


  #8  
Old May 1st 11, 05:34 AM posted to uk.comp.homebuilt,uk.comp.home-networking
John Jordan
external usenet poster
 
Posts: 14
Default Limited connectivity...

On 30/04/2011 23:58, Jake wrote:

Problem machine cannot ping default gateway or any other devices on the
network, although it can ping it's own IP address assigned by the router,
which is in the same range as the default gateway (192.168.1.1)


First thing to do is uninstall any AV, anti-malware or firewall
software. They're by far the most common cause of this.

If it still doesn't work, run the following commands from an admin prompt:

netsh winsock reset
netsh int ip reset resetlog.txt
netsh firewall reset

Otherwise you're down to malware or other defective low-level software.
If you can't find it, that means a reinstall.


--
John Jordan
  #9  
Old May 1st 11, 03:06 PM posted to uk.comp.homebuilt,uk.comp.home-networking
BigH2K
external usenet poster
 
Posts: 2
Default Limited connectivity...


"John Jordan" wrote in message
...
On 30/04/2011 23:58, Jake wrote:

Problem machine cannot ping default gateway or any other devices on the
network, although it can ping it's own IP address assigned by the router,
which is in the same range as the default gateway (192.168.1.1)


First thing to do is uninstall any AV, anti-malware or firewall software.
They're by far the most common cause of this.

If it still doesn't work, run the following commands from an admin prompt:

netsh winsock reset
netsh int ip reset resetlog.txt
netsh firewall reset

Otherwise you're down to malware or other defective low-level software. If
you can't find it, that means a reinstall.


--
John Jordan


What antivirus are you using?


  #10  
Old May 1st 11, 05:02 PM posted to uk.comp.homebuilt,uk.comp.home-networking
robert
external usenet poster
 
Posts: 48
Default Limited connectivity...

On 01/05/2011 02:20, Jake wrote:
wrote in message
...
In [email protected] com, Jake
writes

nge.fr wrote in
message
...
writes:
Have a laptop that won't access internet. W7, no malware found. Wi-fi
network setups are OK, have tested several networks, and other devices
work
fine on these networks.

Connects to networks OK, whether secured or unsecured, but the
exclamation
mark triangle shows. Also no connectivity when connected with a network
cable.

Is set to use DHCP and automatically obtain an IP. It gets an IP from
both
direct cable and wireless. netsh i i r r and the usual ipconfig /release
and
renew have no effect.

Diagnosing the computer's network, it says "Default gateway is not
available". But the default gateway is correctly listed, and other
devices,
including W7 devices, work fine. Any ideas?

Are you letting it get an IP address from both wired and wireless at the
same time? This will fuse its brain if both interfaces wind up with the
same subnet (likely if they are both getting DHCP responses from the
same
device). Can you ping other machines in your network?

No, the devices were independently connected. Still, I have had wireless
and
wifi running simultaneously before on different machines and it all worked
fine.

Cannot ping the problem machine (192.168.1.7) from this one, (192.168.1.2)
but can ping the default gateway and all other devices on network.

Problem machine cannot ping default gateway or any other devices on the
network, although it can ping it's own IP address assigned by the router,
which is in the same range as the default gateway (192.168.1.1)


If you do ipconfig /all at a command prompt, what does it say for Node
Type?


Node type . . . . . . . . . . . . : Hybrid


again ipconfig -all
is the subnet mask correct ie 255.255.255.0


 




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