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"No internet access" on laptop


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maxsteele77's Avatar
maxsteele77 maxsteele77 is offline
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10-Jun-2010, 07:26 AM #1
"No internet access" on laptop
I can't access the internet on my laptop.

I recently got a new laptop and am trying to share the current internet connection I have on my desktop with it.

I'm using XP on the desktop and a 802.11 USB Wireless LAN Card.

The laptop has Win 7 and a built in 802.11 g/b/n

Now the laptop connects to the network fine, however when I hover the mouse over the connection it says "No internet access" and I can't connect to any sites on the net. When I use the IE troubleshoot it says "The DNS server is not responding"

When I first tried to connect to the network and use the net on the laptop it all
worked fine, however it suddenly stoppd working and brought up the "No internet access" thing. It did this until the next day (despite my attempts to fix it following various guides other people have put out there on seemingly the very same porblem) when it suddenly started working fine again. I had internet access, which I used for several hours. I resest the laptop a few times to make sure that it would keep working (which it did) however now it's doing it again and im pulling my hair out.

I really hope someone can help.

Edit:

Also when I right click the connection and go to properties and it brings up all the details about the connection (eg. duration, speed, signal quality) it says the following -
IPv4 Connectivity: No internet access
IPv6 Connectivity: No network access

Last edited by maxsteele77; 10-Jun-2010 at 07:54 AM..
JohnWill's Avatar
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10-Jun-2010, 08:27 AM #2
Try these simple tests.

Hold the Windows key and press R, then type CMD (COMMAND for W98/WME) to open a command prompt:

In the command prompt window that opens, type type the following commands one at a time, followed by the Enter key:

NOTE: For the items below in red surrounded with < >, see comments below for the actual information content, they are value substitutions from the previous IPCONFIG command output! Do NOT type <computer_IP_address> into the command, that won't work. Also, the < and > in the text is to identify the parameters, they are also NOT used in the actual commands.

Do NOT include the <> either, they're just to identify the values for substitution.


IPCONFIG /ALL

PING <computer_IP_address>

PING <default_gateway_address>

PING <dns_servers>

PING 74.125.45.100

PING yahoo.com


Right click in the command window and choose Select All, then hit Enter to copy the contents to the clipboard.
Paste the results in a message here.

<computer_IP_address> - The IP Address of your computer, obtained from the IPCONFIG command above. (For Vista/Win7, the IPv4 Address)

<default_gateway_address> - The IP address of the Default Gateway, obtained from the IPCONFIG command above.

<dns_servers> - The IP address of the first (or only) address for DNS Servers, obtained from the IPCONFIG command above.


If you are on a machine with no network connection, use a floppy, USB disk, or a CD-RW disk to transfer a text file with the information to allow pasting it here.
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SeishiNui's Avatar
SeishiNui SeishiNui is offline
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10-Jun-2010, 08:27 AM #3
have you tried plugging out the wireless adapter then plugging it in again on the desktop? after that try reconnecting to the same wireless network...
maxsteele77's Avatar
maxsteele77 maxsteele77 is offline
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10-Jun-2010, 08:41 AM #4
Here's the results of ipconfig/all on the laptop (while connected to the desktop pc but still with the "no internet access" problem)

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Jonnek>ipconfig/all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Jonnek-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : localhost

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . : localhost
Description . . . . . . . . . . . : Intel(R) WiFi Link 1000 BGN
Physical Address. . . . . . . . . : 00-1E-64-3D-55-E0
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::d433:161f:1dd1:bb83%14(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.123.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Thursday, 10 June 2010 10:06:52 PM
Lease Expires . . . . . . . . . . : Thursday, 17 June 2010 10:06:52 PM
Default Gateway . . . . . . . . . : 192.168.123.1
DHCP Server . . . . . . . . . . . : 192.168.123.1
DHCPv6 IAID . . . . . . . . . . . : 318774884
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-11-F0-5F-A3-00-26-9E-A9-3B-C5

DNS Servers . . . . . . . . . . . : 192.168.123.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Atheros AR8131 PCI-E Gigabit Ethernet Con
troller (NDIS 6.20)
Physical Address. . . . . . . . . : 00-26-9E-A9-3B-C5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.localhost:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{BA9548F9-8922-4868-AEB0-7E26ECAC2199}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

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


@SeishiNui

Yeah I've tried that several times.
JohnWill's Avatar
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10-Jun-2010, 08:44 AM #5
I need to see the ping tests I mentioned after the IPCONFIG /ALL, they're the reason for doing all this.
maxsteele77's Avatar
maxsteele77 maxsteele77 is offline
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10-Jun-2010, 08:59 AM #6
oh lol sorry (kind of a noob)

I can't tell what numbers are the computer ip address, default gateway address, dns servers from the above results, would you be able to tell me which ones to use where since I posted the ipconfig/all results please?
TerryNet's Avatar
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10-Jun-2010, 12:27 PM #7
computer ip address: IPv4 Address. . . . . . . . . . . : 192.168.123.2(Preferred)

default gateway address: Default Gateway . . . . . . . . . : 192.168.123.1

dns servers: DNS Servers . . . . . . . . . . . : 192.168.123.1

So you want to do

ping 192.168.123.2

ping 192.168.123.1
TerryNet's Avatar
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10-Jun-2010, 12:29 PM #8
Could you also please show the ipconfig /all for the desktop?
maxsteele77's Avatar
maxsteele77 maxsteele77 is offline
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10-Jun-2010, 06:59 PM #9
ok thanks here's the laptop ipconfig/all with the ip tests

Microsoft Windows [Version 6.1.7600]
Copyright (c) 2009 Microsoft Corporation. All rights reserved.

C:\Users\Jonnek>ipconfig/all

Windows IP Configuration

Host Name . . . . . . . . . . . . : Jonnek-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No
DNS Suffix Search List. . . . . . : localhost

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . : localhost
Description . . . . . . . . . . . : Intel(R) WiFi Link 1000 BGN
Physical Address. . . . . . . . . : 00-1E-64-3D-55-E0
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::d433:161f:1dd1:bb83%14(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.123.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Friday, 11 June 2010 8:22:25 AM
Lease Expires . . . . . . . . . . : Friday, 18 June 2010 8:22:25 AM
Default Gateway . . . . . . . . . : 192.168.123.1
DHCP Server . . . . . . . . . . . : 192.168.123.1
DHCPv6 IAID . . . . . . . . . . . : 318774884
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-11-F0-5F-A3-00-26-9E-A9-3B-C5

DNS Servers . . . . . . . . . . . : 192.168.123.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Atheros AR8131 PCI-E Gigabit Ethernet Con
troller (NDIS 6.20)
Physical Address. . . . . . . . . : 00-26-9E-A9-3B-C5
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.localhost:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . : localhost
Description . . . . . . . . . . . : Microsoft ISATAP Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{BA9548F9-8922-4868-AEB0-7E26ECAC2199}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #2
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter Teredo Tunneling Pseudo-Interface:

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

C:\Users\Jonnek>ping 192.168.123.2

Pinging 192.168.123.2 with 32 bytes of data:
Reply from 192.168.123.2: bytes=32 time<1ms TTL=128
Reply from 192.168.123.2: bytes=32 time<1ms TTL=128
Reply from 192.168.123.2: bytes=32 time<1ms TTL=128
Reply from 192.168.123.2: bytes=32 time<1ms TTL=128

Ping statistics for 192.168.123.2:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms

C:\Users\Jonnek>ping 192.168.123.1

Pinging 192.168.123.1 with 32 bytes of data:
Request timed out.
Request timed out.
Request timed out.
Request timed out.

Ping statistics for 192.168.123.1:
Packets: Sent = 4, Received = 0, Lost = 4 (100% loss),

C:\Users\Jonnek>ping 74.125.45.100

Pinging 74.125.45.100 with 32 bytes of data:
Reply from 74.125.45.100: bytes=32 time=910ms TTL=48
Reply from 74.125.45.100: bytes=32 time=736ms TTL=48
Reply from 74.125.45.100: bytes=32 time=808ms TTL=48
Reply from 74.125.45.100: bytes=32 time=789ms TTL=48

Ping statistics for 74.125.45.100:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 736ms, Maximum = 910ms, Average = 810ms

C:\Users\Jonnek>ping yahoo.com
Ping request could not find host yahoo.com. Please check the name and try again.


and here's the ipconfig/all for the desktop

Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\Max Steele>ipconfig/all

Windows IP Configuration

Host Name . . . . . . . . . . . . : prime
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Unknown
IP Routing Enabled. . . . . . . . : Yes
WINS Proxy Enabled. . . . . . . . : No

PPP adapter D-Link PPPoE AU Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : WAN (PPP/SLIP) Interface
Physical Address. . . . . . . . . : 00-53-45-00-00-00
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 123.2.61.115
Subnet Mask . . . . . . . . . . . : 255.255.255.255
Default Gateway . . . . . . . . . : 123.2.61.115
DNS Servers . . . . . . . . . . . : 202.136.40.141
202.136.42.240
NetBIOS over Tcpip. . . . . . . . : Disabled

Ethernet adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : 802.11 USB Wireless LAN Card
Physical Address. . . . . . . . . : 00-A1-B0-80-AC-C6
Dhcp Enabled. . . . . . . . . . . : No
IP Address. . . . . . . . . . . . : 192.168.123.1
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
TerryNet's Avatar
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10-Jun-2010, 08:32 PM #10
I would guess that you have a non-Windows firewall or security suite on the desktop that is not configured to allow/trust the 192.168.123.x subnet or not configured to allow ICS.
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maxsteele77 maxsteele77 is offline
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10-Jun-2010, 08:59 PM #11
The only firewall i've got on the desktop is the windows one, the other security programs that I have are Malwarebytes, SuperAnti-spyware and threatfire.

But if it was one of them then why would it sometimes let the laptop use the internet and others not?

Also I don't know if this means anything or not but when I did the Ping 74.125.45.100 test the little icon and the "no internet access" thing disappeared from the laptop for a few mins (it then came back) however this time when it went away (as apposed to other times) I still couldn't access anything on the net. It acted as though I still had no internet access.
TerryNet's Avatar
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10-Jun-2010, 09:06 PM #12
OK, I was going by just that one set of results. If you can sometimes ping the desktop (192.168.123.1) and sometimes not then probably the wireless connection between the two is repeatedly connecting and disconnecting or else there is significant wireless interference that is intermittently interrupting communication.

Please post a screen shot of the Networks page of the Xirrus Wi-Fi Inspector. If the two computers are pretty close the output can be from either; but it would be better to get the output from both.
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maxsteele77 maxsteele77 is offline
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10-Jun-2010, 10:08 PM #13
Screenshot of the laptop with Xirrus Wi-Fi Inspector attached below.

The wireless signal is "excellent" on both the desktop and the laptop and the laptop always connects to it and I so far havn't been disconnected once. It's just that it says "no internet access" most of the time.
Attached Thumbnails
"No internet access" on laptop-laptop-screen.jpg  
TerryNet's Avatar
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11-Jun-2010, 09:11 AM #14
There could possibly be interference from something that doesn't show in Xirrus (e.g., 2.4 GHz cordless phone), so you could try channel 11.
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