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Windows 7: Internet Access but no internet (Scan included)

22 Jul 2014   #1
Network2k14

Windows 7 64 Bit
 
 
Internet Access but no internet (Scan included)

Hello,

I have been sent here to report my internet issue that I am having. My computer internet has worked perfectly for over a year, but just very recently, I have had difficulties with my internet. On turning on my computer, I am told that I have internet access, however, I can not use the internet for anything ( update programmes, use browsers etc), I've looked up many solutions and tried them all, flushing DNS, uninstalling Bonjour, checking IP is set to automatic etc and none of them have worked for me. I use a TP-Link USB which allows me to connect to the wifi on my Windows 7 64 Bit PC. Any help is greatly appreciated.

Extra: The internet works perfectly on the Laptop downstairs, the other PC downstairs, phones, tablets, xbox 360 but NOT my Xbox One ("Cannot get a Teredo IP Address") and my PC which doesn't pick up any problems from the troubleshooter

SOMEONE WHO HAD THE SAME PROBLEM AS ME AND GOT HIS RESOLVED (bottom of page): Wireless connection but no internet access Windows 7 Ultimate

Here is a detailed scan on my. Network:

Windows IP Configuration
*
* *Host Name . . . . . . . . . . . . : JordanPC
* *Primary Dns Suffix *. . . . . . . :*
* *Node Type . . . . . . . . . . . . : Hybrid
* *IP Routing Enabled. . . . . . . . : No
* *WINS Proxy Enabled. . . . . . . . : No
* *DNS Suffix Search List. . . . . . : Home
*
Wireless LAN adapter Wireless Network Connection:
*
* *Connection-specific DNS Suffix *. : Home
* *Description . . . . . . . . . . . : 300Mbps Wireless USB Adapter
* *Physical Address. . . . . . . . . : A0-F3-C1-17-3F-EA
* *DHCP Enabled. . . . . . . . . . . : Yes
* *Autoconfiguration Enabled . . . . : Yes
* *Link-local IPv6 Address . . . . . : fe80::5dcc:8f36:ff98:faca%16(Preferred)*
* *IPv4 Address. . . . . . . . . . . : 192.168.0.5(Preferred)*
* *Subnet Mask . . . . . . . . . . . : 255.255.255.0
* *Lease Obtained. . . . . . . . . . : 22 July 2014 13:40:02
* *Lease Expires . . . . . . . . . . : 23 July 2014 13:40:01
* *Default Gateway . . . . . . . . . : 192.168.0.1
* *DHCP Server . . . . . . . . . . . : 192.168.0.1
* *DHCPv6 IAID . . . . . . . . . . . : 379646913
* *DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-19-0B-1B-1C-A0-F3-C1-17-3F-EA
* *DNS Servers . . . . . . . . . . . : 192.168.0.1
* *NetBIOS over Tcpip. . . . . . . . : Enabled
*
Tunnel adapter Local Area Connection* 11:
*
* *Media State . . . . . . . . . . . : Media disconnected
* *Connection-specific DNS Suffix *. : Home
* *Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
* *Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
* *DHCP Enabled. . . . . . . . . . . : No
* *Autoconfiguration Enabled . . . . : Yes
*
Tunnel adapter isatap.Home:
*
* *Media State . . . . . . . . . . . : Media disconnected
* *Connection-specific DNS Suffix *. :*
* *Description . . . . . . . . . . . : Microsoft ISATAP Adapter #3
* *Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
* *DHCP Enabled. . . . . . . . . . . : No
* *Autoconfiguration Enabled . . . . : Yes
Server: *SkyRouter.Home
Address: *192.168.0.1
*
Name: * *google.com
Addresses: *2a00:1450:4009:801::1009
*74.125.230.102
*74.125.230.103
*74.125.230.104
*74.125.230.97
*74.125.230.105
*74.125.230.101
*74.125.230.110
*74.125.230.98
*74.125.230.100
*74.125.230.99
*74.125.230.96
*
Ping request could not find host google.com. Please check the name and try again.
Server: *SkyRouter.Home
Address: *192.168.0.1
*
Name: * *yahoo.com
Addresses: *98.139.183.24
*206.190.36.45
*98.138.253.109
*
Ping request could not find host yahoo.com. Please check the name and try again.
*
Pinging 127.0.0.1 with 32 bytes of data:
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
Reply from 127.0.0.1: bytes=32 time<1ms TTL=128
*
Ping statistics for 127.0.0.1:
* * Packets: Sent = 2, Received = 2, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
* * Minimum = 0ms, Maximum = 0ms, Average = 0ms
===========================================================================
Interface List
*16...a0 f3 c1 17 3f ea ......300Mbps Wireless USB Adapter
* 1...........................Software Loopback Interface 1
*17...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #2
*15...00 00 00 00 00 00 00 e0 Microsoft ISATAP Adapter #3
===========================================================================
*
IPv4 Route Table
===========================================================================
Active Routes:
Network Destination * * * *Netmask * * * * *Gateway * * * Interface *Metric
* * * * * 0.0.0.0 * * * * *0.0.0.0 * * *192.168.0.1 * * *192.168.0.5 * * 25
* * * * 127.0.0.0 * * * *255.0.0.0 * * * * On-link * * * * 127.0.0.1 * *306
* * * * 127.0.0.1 *255.255.255.255 * * * * On-link * * * * 127.0.0.1 * *306
* 127.255.255.255 *255.255.255.255 * * * * On-link * * * * 127.0.0.1 * *306
* * * 192.168.0.0 * *255.255.255.0 * * * * On-link * * * 192.168.0.5 * *281
* * * 192.168.0.5 *255.255.255.255 * * * * On-link * * * 192.168.0.5 * *281
* * 192.168.0.255 *255.255.255.255 * * * * On-link * * * 192.168.0.5 * *281
* * * * 224.0.0.0 * * * *240.0.0.0 * * * * On-link * * * * 127.0.0.1 * *306
* * * * 224.0.0.0 * * * *240.0.0.0 * * * * On-link * * * 192.168.0.5 * *281
* 255.255.255.255 *255.255.255.255 * * * * On-link * * * * 127.0.0.1 * *306
* 255.255.255.255 *255.255.255.255 * * * * On-link * * * 192.168.0.5 * *281
===========================================================================
Persistent Routes:
* None
*
IPv6 Route Table
===========================================================================
Active Routes:
*If Metric Network Destination * * *Gateway
* 1 * *306 ::1/128 * * * * * * * * *On-link
*16 * *281 fe80::/64 * * * * * * * *On-link
*16 * *281 fe80::5dcc:8f36:ff98:faca/128
* * * * * * * * * * * * * * * * * * On-link
* 1 * *306 ff00::/8 * * * * * * * * On-link
*16 * *281 ff00::/8 * * * * * * * * On-link
===========================================================================
Persistent Routes:
* None


My System SpecsSystem Spec
.
22 Jul 2014   #2
Shadowjk

Windows 7 Professional x64 SP1 ; Windows Server 2012 R2 Standard
 
 

Your IP configuration looks fine however your DNS resolutions do not appear to be working. You said other devices work therefore can you verify that the DNS server is the same on those devices?

Scratch that, your DNS resolutions do work but your network communication out doesn't. Could you try and ping your default gateway and see what happens:

Open a command prompt and enter the following and then press enter:

Code:
ping 192.168.0.1
After post your results here. Then can you boot the machine into Safe Mode with Networking and test connectivity.

To do so please follow this tutorial (OPTION ONE ONLY) - Safe Mode

Note   Note
Please replace all references of Safe Mode with Safe Mode with Networking. This will help to see if there is any third party application causing issues.


Also, could please temporary disable any anti-virus and firewall applications as these could also be suspect to blocking the connection.

Based on symptoms I am suspecting some form of malware or third party application however safe mode will hopefully shine some light.

Josh
My System SpecsSystem Spec
22 Jul 2014   #3
BJB

Windows 7 Pro 64 bit
 
 

@Shadowjk - I think you meant ping 192.168.0.1 ?

@ Network2k14 - It's normal to have two DNS servers named, not just the router (Default gateway). Check the IP config on the 'other PC downstairs', see if it's the same or if it has a second DNS server named.
My System SpecsSystem Spec
.

22 Jul 2014   #4
Shadowjk

Windows 7 Professional x64 SP1 ; Windows Server 2012 R2 Standard
 
 

Quote   Quote: Originally Posted by BJB View Post
@Shadowjk - I think you meant ping 192.168.0.1 ?

@ Network2k14 - It's normal to have two DNS servers named, not just the router (Default gateway). Check the IP config on the 'other PC downstairs', see if it's the same or if it has a second DNS server named.
Woops

Josh
My System SpecsSystem Spec
22 Jul 2014   #5
Network2k14

Windows 7 64 Bit
 
 

Hello, the Ping worked successfully, as for the PC downstairs, the things that are different to my non working computer are: Physical Address, Link Local IPv6 Address, IPv4 Address, DHCPv6 IAID, DHCPv6 Client DUID, everything else is the same, I had to compare these via this website (on my phone) and an image I took on my phone of the downstairs settings (hard work) haha

I do believe I had some sort of malware recently (presumed to be a BotNet because it ran through Java as jusched.jar) if all else fails, would wiping my computer with a fresh install work?

Edit: how has my Xbox One became affected? I get that my NAT Type is on "Strict" and that it cannot "Get a Teredo IP Address", rebooting the Router seems to do nothing to it
My System SpecsSystem Spec
22 Jul 2014   #6
BJB

Windows 7 Pro 64 bit
 
 

Let's try an external ping -

ping bbc.co.uk

If that fails then -

ping 212.58.246.103

Let us know.
My System SpecsSystem Spec
22 Jul 2014   #7
Shadowjk

Windows 7 Professional x64 SP1 ; Windows Server 2012 R2 Standard
 
 

Quote   Quote: Originally Posted by Network2k14 View Post
Hello, the Ping worked successfully, as for the PC downstairs, the things that are different to my non working computer are: Physical Address, Link Local IPv6 Address, IPv4 Address, DHCPv6 IAID, DHCPv6 Client DUID, everything else is the same, I had to compare these via this website (on my phone) and an image I took on my phone of the downstairs settings (hard work) haha

I do believe I had some sort of malware recently (presumed to be a BotNet because it ran through Java as jusched.jar) if all else fails, would wiping my computer with a fresh install work?

Edit: how has my Xbox One became affected? I get that my NAT Type is on "Strict" and that it cannot "Get a Teredo IP Address", rebooting the Router seems to do nothing to it
NAT Type 'Strict' is a proprietary term used by some video games as describing the ports required are not open. This wouldn't be the cause of the issue on your computer and is most likely an isolated issue.

A teredo interface is a tunneling interface that allows the connection to an IPv6 network even though the local subnet is configured for IPv4. Unless you use IPv6 (Unlikely for a console) I wouldn't be too concerned. It shouldn't block normal network connectivity however if it does then it of course it will need investigating.

As for performing a clean install... should it be malware then yes it probably would solve it however that should be a last ditch effort. If it wasn't then there is a chance that a re-install wouldn't and therefore would be a waste of time.

Josh
My System SpecsSystem Spec
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 Internet Access but no internet (Scan included)




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