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No Internet connection to my laptop


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Leylaa's Avatar
Leylaa Leylaa is offline
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15-Jul-2012, 08:31 PM #1
No Internet connection to my laptop
Hi everyone,

I recently moved into a new apartment where my roommate already set up the Internet, router and modem. When I tried to connect, sometimes it says no Internet access and sometimes it does connect but it takes forever to load web pages. And then it eventually diaconnects and goes back to "no internet acess". My roommate can connect just fine to the net and it isn't slow for her so I'm confused why it isn't working for me.

Im using windows 7 on a Dell HP Laptop N5110.

I already tried to reset the modem and router and it still doesn't work. I ran a diagnostics test and it says my laptop failed the ping test - no response from DHCP sever. I'm not sure how to fix that.

Any ideas how to fix this?

Thank you!
etaf's Avatar
etaf   (Wayne) etaf is offline
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16-Jul-2012, 03:41 AM #2
can we see an ipconfig /all
and xirrus screen shot

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ipconfig /all
If you cannot access the internet with this PC, then you will need to paste the results into something like notepad and then copy onto a machine that can access the internet and post results here

We would like to see the results from ipconfig /all post back the results in a reply here

Hold the Windows key and press R, then type CMD then press Enter to open a command prompt box (A new dialogue box - black with white font, will appear on screen ):

In the command prompt window that opens, type the following command:

Note that there is a space before the /ALL, but there is NOT a space after the / in the following command.

ipconfig /all > network.txt & network.txt

It will export the results to notepad and then automatically open notepad.

Now all you need to do is copy and paste those results to a reply here
to do that:
From the notepad menu - choose Edit - Select all
all the text will be highlighted
Next
From the notepad menu - choose Edit - Copy
Now go back to the forum - reply and then right click in the reply box and paste
------------------------------------------------------------------------


------------------------------------------------------------------------
Run Xirrus Wi-Fi Inspector
Download and install

If you cannot access the internet with this PC, then you will need to copy the program across to the faulty PC
Save the file to a USB flash drive or other removable media. Plug it into the working computer with internet access and copy the file and paste here.


http://www.xirrus.com/Products/Wi-Fi-Inspector.aspx
Direct link to the program is here http://wpc.475a.edgecastcdn.net/0047...etup.1.2.0.exe

{If the above link does not work heres another link http://www.pcworld.com/downloads/file_download/fid,77196-order,4/download.html}

Then run and install the program - on a wireless enabled PC/Laptop
if you get an error - You need NET Framework installed for the WiFi Inspector to function.

Run the program

A user guide is available here http://www.xirrus.com/Products/Wi-Fi...uide1-2-0.aspx

post a screen shot of the program running - if there are a lot of networks showing can you click on "networks" top lefthand area - so we can see all the network information, and also post which network "Adapter Name" (1st column) is yours on the list

To post a screen shot of the active window, hold the Alt key and press the PrtScn key. Open the Windows PAINT application and Paste the screen shot. You can then use PAINT to trim to suit, and save it as a JPG format file.
To upload it to the forum, open the full reply window ("Go Advanced" button) and use the Manage Attachments button to upload it here.
Full details are here http://library.techguy.org/wiki/TSG_...g_a_Screenshot

Or if you are using Vista/Windows 7 you can use the "snipping tool" which is found in
Start> All programs> Accessories> Snipping Tool

Note:
For a reliable (or robust as the Xirrus user guide says) wireless connection you need a signal of about -70 dBm or better.

If you are using the Mac OS then use http://www.istumbler.net/ or
if you want to optimise base station position and signal strength / dead spots use
http://www.chimoosoft.com/products/apgrapher/ which has a graph function to monitor signal
------------------------------------------------------------------------
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Leylaa's Avatar
Leylaa Leylaa is offline
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18-Jul-2012, 03:08 AM #3
Windows IP Configuration

Host Name . . . . . . . . . . . . : Admin-PC
Primary Dns Suffix . . . . . . . :
Node Type . . . . . . . . . . . . : Hybrid
IP Routing Enabled. . . . . . . . : No
WINS Proxy Enabled. . . . . . . . : No

Ethernet adapter Local Area Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : TAP-Win32 Adapter V9
Physical Address. . . . . . . . . : 00-FF-D1-A6-8C-9C
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection 3:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter #2
Physical Address. . . . . . . . . : BC-77-37-9E-4C-61
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::7091:e655:50f:12d4%16(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.16.2(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . :
DHCPv6 IAID . . . . . . . . . . . : 532444983
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-88-97-31-18-03-73-5B-50-BC
DNS Servers . . . . . . . . . . . : fec0:0:0:ffff::1%1
fec0:0:0:ffff::2%1
fec0:0:0:ffff::3%1
NetBIOS over Tcpip. . . . . . . . : Enabled

Wireless LAN adapter Wireless Network Connection 2:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft Virtual WiFi Miniport Adapter
Physical Address. . . . . . . . . : BC-77-37-9E-4C-61
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel(R) Centrino(R) Wireless-N 1030
Physical Address. . . . . . . . . : BC-77-37-9E-4C-60
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
Link-local IPv6 Address . . . . . : fe80::cc61:b325:6894:937a%14(Preferred)
IPv4 Address. . . . . . . . . . . : 192.168.1.5(Preferred)
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Lease Obtained. . . . . . . . . . : Tuesday, July 17, 2012 12:03:49 PM
Lease Expires . . . . . . . . . . : Wednesday, July 18, 2012 12:05:22 PM
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DHCPv6 IAID . . . . . . . . . . . : 364672823
DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-15-88-97-31-18-03-73-5B-50-BC
DNS Servers . . . . . . . . . . . : 192.168.1.1
NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Realtek PCIe FE Family Controller
Physical Address. . . . . . . . . : 18-03-73-5B-50-BC
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Bluetooth Network Connection:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Bluetooth Device (Personal Area Network)
Physical Address. . . . . . . . . : BC-77-37-9E-4C-64
DHCP Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter 6TO4 Adapter:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft 6to4 Adapter
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{5ADFDF53-F55A-47BD-BAE6-A446F50DBEB8}:

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.{E79F9552-B3B3-4C13-8253-A20E3AFFFD6B}:

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

Tunnel adapter isatap.{D1A68C9C-8600-4472-BD89-E316260192E5}:

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

Tunnel adapter isatap.{705A2BBF-7725-4874-9DFB-313C608563B1}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #5
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{33DDAC61-5028-4E47-9E51-8BB3E30941BB}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes

Tunnel adapter isatap.{E1B83A02-FB69-42A8-B4ED-46DAF3106978}:

Media State . . . . . . . . . . . : Media disconnected
Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Microsoft ISATAP Adapter #6
Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
DHCP Enabled. . . . . . . . . . . : No
Autoconfiguration Enabled . . . . : Yes


TerryNet's Avatar
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18-Jul-2012, 11:53 AM #4
Make sure you have the latest wireless driver from your laptop manufacturer's web site.

It may be that your adapter is just more sensitive than your roommate's to the interference from those other networks. If you are permitted to configure the router try channel 1 and channel 11 to see if either helps. To use just one channel you have to first change the Channel Width to 20 MHz.
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Leylaa's Avatar
Leylaa Leylaa is offline
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18-Jul-2012, 05:36 PM #5
Quote:
Originally Posted by TerryNet View Post
Make sure you have the latest wireless driver from your laptop manufacturer's web site.

It may be that your adapter is just more sensitive than your roommate's to the interference from those other networks. If you are permitted to configure the router try channel 1 and channel 11 to see if either helps. To use just one channel you have to first change the Channel Width to 20 MHz.

I've already checked the wireless driver and it is up to date.

I just finished configuring the router to all 11 channels and it still didn't help. :/ Most of the channels let me load a web page pretty fast but then it dropped again and I go back to being unable to load anything!
etaf's Avatar
etaf   (Wayne) etaf is offline
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18-Jul-2012, 05:51 PM #6
go into device manager and right click on the adapter - uninstall - now restart the pc and let windows re-install
Leylaa's Avatar
Leylaa Leylaa is offline
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21-Jul-2012, 05:50 PM #7
Quote:
Originally Posted by etaf View Post
go into device manager and right click on the adapter - uninstall - now restart the pc and let windows re-install
How will Windows reinstall it? I'm afraid of uninstalling the adapter and then I won't be able to recover it lol
etaf's Avatar
etaf   (Wayne) etaf is offline
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21-Jul-2012, 05:52 PM #8
Quote:
How will Windows reinstall it? I'm afraid of uninstalling the adapter and then I won't be able to recover it lol
theres always a risk of that type of thing happing on any software changes- but we ask poster to do that almost everyday

windows will look for the drivers on the PC and use the ones that are being used now - but will do a complete re-install of the driver and tcp/ip bindings - which often is enough to fix issues - just have a read through the network forum
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