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Windows 7: Laptop connects to wireless router but with no internet access


19 Aug 2012   #1

Windows 7 Home Premium 64bit
 
 
Laptop connects to wireless router but with no internet access

I have a Dell Studio 1555 laptop with Windows 7 Home Premium 64bit that I've owned for just over two years.

Last night, after a couple of hours using the internet, the connection stopped. The wireless router still had an 'Excellent' signal, but it also said I had no internet access. All of the other wireless devices in my house connect to the internet perfectly, including when right next to the laptop.

I've tried disabling the firewall and resetting the computer a few times, but nothing seems to pick up the internet access. The troubleshooting guide tells me that it is a problem with the wireless modem, but quite obviously that isn't true.

I haven't installed anything on the computer for several months, and I have already ran a full virus check. Can anyone help me? Thank you in advance!


My System SpecsSystem Spec
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19 Aug 2012   #2

Windows 7 Home Premium 64bit
 
 

I've just tried connecting to the internet through an ethernet cable but even that doesn't work. The problem is obviously internal, but I can't seem to find the cause of the problem anywhere.
My System SpecsSystem Spec
19 Aug 2012   #3

Microsoft Community Contributor Award Recipient

MS Windows 7 Professional 64-bit SP1
 
 

Might be your ISP!! Have you got access to the router?
My System SpecsSystem Spec
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19 Aug 2012   #4

Windows 7 Ultimate x64
 
 

Have you power cycled you modem?
Tried a factory reset on modem.
Run an ipconfig at CMD prompt and see what it tells you?
My System SpecsSystem Spec
19 Aug 2012   #5

Windows 7 Home Premium 64bit
 
 

Here is the ipconfig:

Microsoft Windows [Version 6.1.7601]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.
C:\Users\Richard>ipconfig /all
Windows IP Configuration
Host Name . . . . . . . . . . . . : Richard-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : cable.virginmedia.net
Wireless LAN adapter Wireless Network Connection 2:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : 0C-60-76-66-3F-AB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Wireless LAN adapter Wireless Network Connection:
Connection-specific DNS Suffix . : cable.virginmedia.net
Description . . . . . . . . . . . : Dell Wireless 1397 WLAN Mini-Card
Physical Address. . . . . . . . . : 0C-60-76-66-3F-AB
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::ecd6:e019:6c2a:9109%11(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.0.166(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : 19 August 2012 13:51:35
Lease Expires . . . . . . . . . . : 26 August 2012 13:51:40
Default Gateway . . . . . . . . . : 192.168.0.1
DHCP Server . . . . . . . . . . . : 192.168.0.1
DHCPv6 IAID . . . . . . . . . . . : 202137718
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-12-B4-F1-A7-00-26-B9-14-9C-98
DNS Servers . . . . . . . . . . . : 194.168.4.100
192.168.0.1
NetBIOS over Tcpip. . . . . . . . : Enabled
Ethernet adapter Local Area Connection:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : cable.virginmedia.net
Description . . . . . . . . . . . : Broadcom NetLink (TM) Gigabit Ethernet
Physical Address. . . . . . . . . : 00-26-B9-14-9C-98
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Local Area Connection* 12:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Teredo Tunneling Pseudo-Interface
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter Local Area Connection* 15:
Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : cable.virginmedia.net
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Tunnel adapter isatap.{46DF4B0D-5E58-4EF0-94A3-2250B97B5534}:
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
C:\Users\Richard>
My System SpecsSystem Spec
19 Aug 2012   #6

Windows 7 Ultimate x64
 
 

Okay your getting a valid IP.
Have you tried pinging other PC's in the house, or your default GW
At CMD type ping 192.168.0.1
Should look like this:
C:\Users\House>ping 192.168.0.1

Pinging 192.168.0.1 with 32 bytes of data:
Reply from 192.168.0.1: bytes=32 time<1ms TTL=64
Reply from 192.168.0.1: bytes=32 time<1ms TTL=64
Reply from 192.168.0.1: bytes=32 time<1ms TTL=64
Reply from 192.168.0.1: bytes=32 time<1ms TTL=64

Ping statistics for 192.168.0.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms

This shows that the PC and Router/Modem/AP are communicating.
My System SpecsSystem Spec
19 Aug 2012   #7

Windows 7 Home Premium 64bit
 
 

Packets: Sent = 4, Received = 0, Lost = 4, (100% loss)

That must be the problem then!

It repeated "General Failure" four times before that result popped up, btw.
My System SpecsSystem Spec
19 Aug 2012   #8

Windows 7 Ultimate x64
 
 

I'm thinking its a problem on your laptop. NIC might of let go. (Network Interface Card)
You have connectivity with other devices obviously...your posting on here.
You can't ping your D/G
Have you tried a different cord/port on Router?
Try pinging again

Does your ICON in Taskbar look normal, or is there a Yellow triangle on it?

Does your modem,router have an usb connection that you can connect through.
My System SpecsSystem Spec
19 Aug 2012   #9

Windows 7 Home Premium 64bit
 
 

All my other devices have connectivity apart from my laptop. And there is a yellow triangle on the network icon in the taskbar.

I have tried using an ethernet cord directly from the router but I still didn't receive a connection, if that's what you mean. Pinging the IP using it produces the same result of four failures. Plugging the cord into a different port in the router also has no effect.
My System SpecsSystem Spec
19 Aug 2012   #10

Windows 7 Home Premium 64bit
 
 

I'm fairly certai the issue is caused by the Network Interface Card now, but is this a problem I can solve from the desktop or will I need to take in for repairs somewhere? I have three devices under my Network adapter folder in the Device Manager:

-Broadcom NetLink (TM) Gigabit Ethernet
-Dell Wireless 1397 WLAN Mini-Card
-Microsoft Virtual WiFi Miniport Adapter
My System SpecsSystem Spec
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 Laptop connects to wireless router but with no internet access




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