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Can't Get IP Address Assigned.


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#1
dystantme

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Hi! :whistling:

I have a D-Link router and Comcast cable internet. I have one computer hardwired to the cable modem. I have a wireless network set up in the house. Until recently both my laptop and my daughter's connected automatically to the wireless network. Very recently my computer had a nasty lose-everything crash and Windows, etc. was reloaded. Since that time, my laptop will not connect to my home network. It will connect to other networks everywhere else, but not mine. The problem seems to be assigning an IP address. THat seems to be where I keep getting stuck. When I go into my secured network properties, and put in my network key/password, I can see that I get connected for like a nanosecond, then it shows me not connected.

I've tried resetting the modem and the router. I believe I may have had to assign a static IP address in the past when this happened last year, but I'm not sure where to find an IP address - DNS number, etc. And would that preclude me from hooking up to other wireless networks automatically?

The computer repair company I took the laptop to when it died told me that it would have to be a $90+ housecall for them to see what was wrong with it. I'd prefer to figure it out on my own (with your help, of course!).

Help! Thanks!!!
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#2
jaxisland

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I guess to start off the top, if you set a static IP then when you went to connect somewhere else, you would have to go back into the properties and set it to automatically get IP to connect.

If you want to set a static then you need to find out what addresses your router is giving out. Usually they are in the form of 192.168.X.X with a subnet 255.255.255.0. The gateway would be the address of the router itself.

I have troubleshot a very similar problem a couple times in the past. What I did is I reset the router and turned on no security, just set up the router to give out DHCP addresses and tried to connect. If that works then you can progress to setting up security and working back through to see.

MY DISCLAIMER: If you have other people on the network I do NOT recommend having them on, or keeping the security off for more time than it is needed. Its just to troubleshoot.

If connecting basically does not work, then do a repair on the network connection, let me know where it fails. Also on the laptop go to Start-> Run -> type: cmd
hit enter
type: ipconfig/all

Post the results.

Thanks
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#3
ViprXX

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does it do the same thing if you connect to the router via ethernet cable? if it assigns you an ip and everything works when you connect it through ethernet cable then its probably something with the wireless security settings on the router. check to see if Mac filtering is enabled, etc. try disabling WEP or other security then re-enable it.

good luck

Edited by ViprXX, 24 May 2007 - 10:46 PM.

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#4
ViprXX

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just thought of something simple that may work. have you tried running Windows Wireless Network Setup Wizard?(Start>all programs>accessories>communications) you'll need some settings from your router ex. Network Name(SSID), WEP or other security Key and any other settings the wizard asks for.

Step-by-step wireless network setup instructions webpage

good luck
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#5
dystantme

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Thank you so much! I will try all of your suggestions tomorrow. You have some great ideas... I will try everything and report back, or give you more info if I cannot get it back online! :whistling:
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#6
dystantme

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If connecting basically does not work, then do a repair on the network connection, let me know where it fails. Also on the laptop go to Start-> Run -> type: cmd
hit enter
type: ipconfig/all

Post the results.

Thanks
[/quote]


Hi, I'm going to post the results for you of the ipconfig/all:

Host Name................... : delllaptop
Primary Dns Suffix........:
Node Type...................: Unknown
IP Routing Enabled........: No
WINS Prox Enabled........: No

Ethernet adapter Local Area Connection:

Media State...................: Media disconnected
Description....................: Broadcom 440x 10/100 Controller
Physical Address............: 00-11-43-70-F0-36

Ethernet adapter Wireless Network Connection:

Media State...................: Media disconnected
Description....................: Intel ® PRO/Wireless 2915ABG Network Connection
Physical Address............: 00-0E-35-EB-C3-31


Does that tell you anything?
THanks!!
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#7
jaxisland

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Do you have an ethernet cable you can connect to the router? If you do plug it in, wait for it to get an address then post the ipconfig/all results again with the cable plugged in.

Thanks
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#8
bobmad

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or you could use the other machine that works post the /all from it...

we'd know IP address of a machine, subnet, gateway , dns....

Question. Anyone know how to use alternate IP address under advanced in tcp/ip...seems like that's designed for a situation like this, but I've never used it. I assume obtain automatically for primary and specified IP for alternate ( home network) (once we get info from the /all)
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#9
dystantme

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Well this just gets stranger. I was looking at my tray icons and noticed one that controls my Intel Pro Wireless connection. I switched from Windows to Intel Pro Wireless to manage my wireless connection. It instantly connected to my default network.. HOWEVER.. I cannot get online. It shows that I'm connected, but cannot access IE. It says that I have a security-enabled network, which I do. BUT there is no where to input my network key. Does anyone have a suggestion for this? As to how I enter my network key? Or perhaps the fact that I can get my IP assigned thru the Intel Pro Wireless management, but not Windows, does that shine any light onto my original issue?

This is so confusing. :whistling:

Oh, and I tried doing the IP using a static address, via my other computers, to no avail.

Edited by dystantme, 25 May 2007 - 03:38 PM.

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#10
jaxisland

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If you go into the properties of the wireless connection, there should be I believe a security or authentication tab at the top. In those options you can set the security.

Sorry for the vaugness I dont have anything wireless in front of me.
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#11
dystantme

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Hi again. Okay, I think it's now boiled down to a small problem.

I have been able to access my wireless network, got through the security password, and it shows me as connected. However, I can still not access IE. It tells me I have a "conflict" with another IP Address on the system. When I went back to my computer that is hooked up thru an ethernet connection/usb, it also had the "conflict" message, but this computer hooks up just fine.

Having said all that... I would imagine I can assign a static IP address that for the laptop to avoid the conflict. I can get an IP address from either my other laptop or the hardwired computer here. If I do that, what number should I change to make it not conflict? Does that make sense? I have an erie sense of deja vu, as though I've been through this before with this laptop.

Thanks for any help!!
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#12
jaxisland

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you can increment the last number of the IP by one to avoid it. Find out what the IPs are of the other computers then just change the last number to something different and it should be fine.
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#13
dystantme

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:whistling: Got it! Thanks for all of the help and suggestions! yay!
Have a great weekend.
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#14
jaxisland

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You too, glad it works. :whistling:
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