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?

"Jake" <(E-Mail Removed)> wrote in message news:(E-Mail Removed) ...
> 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.

Jake <(E-Mail Removed)> 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

"Dave-UK" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed) ...
>
> "Jake" <(E-Mail Removed)> wrote in message
> news:(E-Mail Removed) ...
>> 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.

"Jake" wrote in message
news:(E-Mail Removed) ...


"SteveR" <(E-Mail Removed) > wrote in message
news:(E-Mail Removed)...
> Jake <(E-Mail Removed)> 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)

---------------------------------------------------------

I had a similar problem when my wife bought a W7 netbook and it wouldn't
connect to the web through my router. My laptop and PC worked fine (both XP
at the time). Discovered the netbook would connect through a local unsecured
one (by accident, of course). Eventually solved it by reinstalling the
firmware on the router (Netgear DG834G) There seemed to be no reason why
this should work, but it did.

John M

In message <(E-Mail Removed)>, Jake
<(E-Mail Removed)> writes
>
>"SteveR" <(E-Mail Removed) > wrote in message
>news:(E-Mail Removed)...
>> Jake <(E-Mail Removed)> 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

"Bill" <(E-Mail Removed)> wrote in message
news:(E-Mail Removed)...
> In message <(E-Mail Removed)>, Jake
> <(E-Mail Removed)> writes
>>
>>"SteveR" <(E-Mail Removed) > wrote in
>>message
>>news:(E-Mail Removed)...
>>> Jake <(E-Mail Removed)> 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

"John Miller" <(E-Mail Removed)> wrote in message
news:ipi8b5$f8$(E-Mail Removed)...
>
>
> "Jake" wrote in message
> news:(E-Mail Removed) ...
>
>
> "SteveR" <(E-Mail Removed) > wrote in
> message
> news:(E-Mail Removed)...
>> Jake <(E-Mail Removed)> 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)
>
> ---------------------------------------------------------
>
> I had a similar problem when my wife bought a W7 netbook and it wouldn't
> connect to the web through my router. My laptop and PC worked fine (both
> XP at the time). Discovered the netbook would connect through a local
> unsecured one (by accident, of course). Eventually solved it by
> reinstalling the firmware on the router (Netgear DG834G) There seemed to
> be no reason why this should work, but it did.

Neither of the routers are Netgear type, and only one I have control of
things like firmware stuff. However, I have not been able to get it to
connect to free/unsecured routers in places like McDonalds and coffee shops
either as have been doing some testing...

"John Jordan" <(E-Mail Removed)> wrote in message
news:wx4vp.65017$(E-Mail Removed)2...
> 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?

On 01/05/2011 02:20, Jake wrote:
> "Bill"<(E-Mail Removed)> wrote in message
> news:(E-Mail Removed)...
>> In message<CpednSUuXciqCSHQnZ2dnUVZ8nKdnZ2d@giganews. com>, Jake
>> <(E-Mail Removed)> writes
>>>
>>> "SteveR"<(E-Mail Removed) nge.fr> wrote in
>>> message
>>> news:(E-Mail Removed)...
>>>> Jake<(E-Mail Removed)> 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