networking three computers, 1 always has problems

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carrie789

Thread Starter
Joined
Apr 13, 2010
Messages
2
I was previously using a Motorola 4100 modem and Linksys Wireless-G Broadband router, linking a Dell XP desktop to an HP XP desktop with a Lynksys Wireless - G USB adapter, and a Toshiba laptop that has an Atheros AR5007EG wireless adapter. The laptop always connected to the internet, the HP connected but often lost the connection. I replaced the modem with a Motorola SB5101. No problem with the laptop. The HP would not connect. So, I replaced the router with a Netgear Wireless N300 router. Now....the HB is connected, but the laptop connects to "local only" and "limited connection" not the internet. I have tried everything I can think of, nothing. Please help.
 

etaf

Moderator
Joined
Oct 2, 2003
Messages
65,435
First Name
Wayne
post back the following for the faulty machine
{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 here
-> Start
-> (XP - enter the following in the RUN box)
cmd /k ipconfig /all
-> (Vista or Windows 7 - enter the following in the Search box)
cmd /k ipconfig /all

A black box will appear on the screen -
rightclick in the box
select all
enter
control key + C key - to copy

then reply here and
control key + V to paste
------------------------------------------------------------------------
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
{Ping Tests}

Start> Run {search bar in Vista}> CMD to open a DOS window and type:

Type the following command
Ping google.com
Post back the results
rightclick in the box
select all
enter
control key + C key - to copy
then reply here and
control key + V to paste

Type the following command
Ping {plus the number thats shown against the default gateway shown in above ipconfig /all}
Post back the results
rightclick in the box
select all
enter
control key + C key - to copy
then reply here and
control key + V to paste

Type the following command
Ping 209.191.93.53
post back results
rightclick in the box
select all
enter
control key + C key - to copy
then reply here and
control key + V to paste
------------------------------------------------------------------------

{Device Manager}
Post back the results in device manager
Start > control Panel {Vista set to classic view}> system > {Vista, device manager on left hand side} {XP hardware Tab, device manager button} >
windows 7
start > control panel> System and Security> Device Manager

network adaptors, click on the + > post back the devices listed there
are there any ! ? or X


post a screen shot of the device manager - network adapters

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 and use the Manage Attachments button to upload it here
------------------------------------------------------------------------
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

http://www.xirrus.com/library/wifitools.php
Then run the program
if you get an error - You need NET Framework installed for the WiFi Inspector to function.

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 and use the Manage Attachments button to upload it here.
------------------------------------------------------------------------
Wireless Profiles
http://mgmcc.forumotion.net/networking-tutorials-f17/removing-an-existing-wireless-profile-t109.htm
- Vista:

http://www.tp-link.com/support/showfaq.asp?id=214
- delete the wireless profiles
Start
control Panel
classic view
network and sharing center
manage wireless networks

Delete the profiles
you will then have to enter the wireless security key for any networks you connect to
--

Wireless Profiles
http://mgmcc.forumotion.net/networking-tutorials-f17/removing-an-existing-wireless-profile-t109.htm
- XP

http://www.tp-link.com/support/showfaq.asp?id=186
- delete the preferred networks
start
control panel
network connections
right click on the wireless connection listed
wireless networks tab
in the preferred network list
click on each one and - remove button

you will then have to enter the wireless security key for any networks you connect to
------------------------------------------------------------------------

There could be quite a lot of reasons you are not getting a connection to the wireless - some common issues

1) the wireless is switched off
2) Remove the any wireless security you have on the router
3) Firewall may be blocking
4) Something else on the PC blocking
so quite a few things to check - so lets start in order
1) Wireless Switch:- Most laptops have a wireless switch - some use a physical switch, other use a combination of the FN key + one of the F keys to toggle on/off - make sure this is on
2) Log into the router and remove the wireless security
3) Firewall:- The firewall my be blocking access - try to disable the firewall. Often programs like Norton, Mcafee etc, when the subscription runs out can cause issues and need to be uninstalled, to uninstal you may need to use the removal tool available on thier websites. One of the ways to test this, is to do a PING test. Press the "Windows key" {bottom left of the keyboard} and at the same time press the "R key", now in the search box that appears - type "CMD", a black box will now appear on your screen, in that box type the following "ping google.com" if you get 4 replies then you can access the internet and your firewall may well be blocking the access try disabling the firewall.
4) safemode:- Try to boot the PC into "safe mode with networking". To do this switch the PC on and now as it starts keep tapping the F8 key untill a menu appears, from that menu choose "safe mode with networking". If you can now connect to the internet,then there is something blocking your access on the PC when it starts normally - post back a comment and if that's the case, We can try doing a "clean boot" and try to identify the startup or process that is causing the issue
 

carrie789

Thread Starter
Joined
Apr 13, 2010
Messages
2
Thank you to all who sent advice. The solution: Apparently my laptop could not handle the higher security settings available on my new router. When I lowered them, plus deleting all the existing networks listed on my computer, and starting over, it worked!! You all are great. Carol
 

etaf

Moderator
Joined
Oct 2, 2003
Messages
65,435
First Name
Wayne
(y) good to know - thanks for the update ....
would you mark your thread solved - button at top of your first post
 
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