wireless connection gets disconnected frequnetly

Hi,
I have Dell latitude d600 laptop with built in wireless.
I have a d-link router - 802.11g (2.4GHz). It's speed it 54 Mbps.
Some times windows give me a message that -
This network has limited or no connectivity.
Speed - 54 mbps
signal strenth - excellent
status - limited or no connectivity.
Then looking more into the problem I find that windows says that -
This problem occured because the network did not assign a network address to the computer.
Then I am not able to open any web page.
Can somebody explain me what is wrong? And how to fix it?
Anu
anumitAsked:
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itchopinCommented:
You said "some times windows give me a message...", that means you did connected to the router successfully before using this laptop? Or you never successfully connected? If you never successfully connected, then you really need to do like kuro2ck said, check your IP setting in the laptop see if there is any static IP(provided not running DHCP), or your router setting.

You might want to go through the troubleshooting session from microsoft below:
http://www.microsoft.com/technet/prodtechnol/windowsserver2003/library/ServerHelp/ecc10b32-898a-435f-9d5c-01c25fb4d1f6.mspx

Next, if you only get this problem sometimes, then did you install service pack 2? Coz this is a known problem in SP2. Go through below link to get more important info
http://users.tpg.com.au/adsl5muj/index.htm#section1

Lastly, you can google yourself for more information for "limited or no connectivity laptop wireless..."

Hope this will help
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simkissCommented:
are you connecting to your own private network or a public network?

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anumitAuthor Commented:
private network.
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simkissCommented:
use the ethernet ports on your laptop and the wireless access point and plug your laptop in directly (assuming it's a consumer access point = has ethernet ports too).  whether you get on or not this way will determine which path to follow in troubleshooting.  If you get an IP wired, but not wireless, that indicated different issues than if you don't get an IP when wired.
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kuro2ckCommented:
Do you know the IP range that you network is on? If you do, give yourself a static IP address then try. You get the error message of This problem occured because the network did not assign a network address to the computer when your network card is on automatically assign, and it cannot pick up an ip address from any dhcp device.  Make sure you have DHCP running on you wireless access point or on your firewall.  Also if you are encrypting with WEP, make sure that your Key is right on your machine.
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itchopinCommented:
The second link provide a detail steps for how to check your IP and DHCP router settings.
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itchopinCommented:
anumit, it has been quite some days you didn't response to the question. Can you update us with your status? Have you solve the problem?
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anumitAuthor Commented:
Hi,
Sorry for later reply guys.  I was so frusted with the wireless disconnection that for the past few days I have been using my other laptop which has windows 2000.

Thanks to you gusy now I know that SP2 is the culprit. Earlier I thought that there is something wrong with my wireless adapter.
I went through the link http://users.tpg.com.au/adsl5muj/index.htm#section1. It has very use ful information.
That page has a link to a hotfix from microsoft. I have applied the hotfix and the connection seems better, but wirepess connection  does get disconnected sometimes.
TOday I have also installed new version of driver for my intel pro set 2200 wireless adapter. I got this driver from dell website.
I would wait for a day to see if it still gets disconnected.
I will accept an answer tomorrow after I am sure that now it does not gets disconnected.
Thanks,
Anu
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anumitAuthor Commented:
Hi,
Thanks guys for help. This solution really helped fixed that problem.
Now I no longer need to connect to the internet using network cable , now I can use the wireless connection and enjoy listening hours of uninterrupted music ;-).
Anumit
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