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General Wireless Problems


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9 replies to this topic

#1 squid3600

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Posted 15 September 2007 - 03:15 AM

I've set up a secured wireless network, and it works perfectly with my first two laptops on normal settings, but my third laptop (dell latitude d620) simply wont connect. my third laptop will connect to any other network. I'm using a netgear wgt634u wireless router, and ive tried heaps of different programs to connect. help would be appreciated, ill give u more details if you need it. sorry for being vague :thumbsup:

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#2 jhsmurray

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Posted 15 September 2007 - 04:30 AM

Confirm your encryption settings and key are correct. Disable all "connection helper" programs, at least for now.

Confirm your wireless card is on. In some cases it is very easy to disable the card by accident - my Toshiba laptop, for example, has a switch in the front to turn off wireless capability easily. Sometimes too easily.

Make sure you are close enough to the router.

Make sure there is no radio interference, for example cordless telephones have been known to cause connectivity issues if too close to the wireless card.

Temporarily disable your security software. If you still cannot connect, re-enable it.

Assuming you are using XP, this article may be of some use:
http://support.microsoft.com/kb/313242

Can you ping your router?
At a command prompt, click start -> run and type cmd in the textbox.
Type ping [router ip address] (check your documentation for your routers default ip address)

When you run ipconfig, what are the results?
At the command prompt, type ipconfig /all

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OS: Windows 7 Ultimate
Processor: Intel Pentium III Xeon, 2200 MHz
RAM: 3 GB
Display: Mobile Intel GMA 4500M

#3 squid3600

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Posted 15 September 2007 - 08:10 PM

okay, my wireless card is deffinetly on and my laptop can find the network, just not connect. theres no interference and its close enough cos my other laptops can connect from the same place. they've both got the same centrino thing. turning of security didnt help either. the router pings okay. when i do ping and ipconfig it says this:
Microsoft Windows XP [Version 5.1.2600]
© Copyright 1985-2001 Microsoft Corp.

C:\Documents and Settings\********>ping 192.168.1.1

Pinging 192.168.1.1 with 32 bytes of data:

Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64
Reply from 192.168.1.1: bytes=32 time<1ms TTL=64

Ping statistics for 192.168.1.1:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 0ms, Maximum = 0ms, Average = 0ms

C:\Documents and Settings\*********>ipconfig /all

Windows IP Configuration

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

Ethernet adapter Local Area Connection:

Connection-specific DNS Suffix . :
Description . . . . . . . . . . . : Intel® PRO/100 VE Network Connecti
on
Physical Address. . . . . . . . . : 00-13-20-4D-2A-52
Dhcp Enabled. . . . . . . . . . . : Yes
Autoconfiguration Enabled . . . . : Yes
IP Address. . . . . . . . . . . . : 192.168.1.3
Subnet Mask . . . . . . . . . . . : 255.255.255.0
Default Gateway . . . . . . . . . : 192.168.1.1
DHCP Server . . . . . . . . . . . : 192.168.1.1
DNS Servers . . . . . . . . . . . : 192.168.1.1
Primary WINS Server . . . . . . . : 192.168.1.1
Lease Obtained. . . . . . . . . . : Friday, 14 September 2007 9:04:42 PM

Lease Expires . . . . . . . . . . : Friday, 21 September 2007 9:04:42 PM


C:\Documents and Settings\*********


if this tells u anything, it could help. thanks for teh help so far though!

#4 jhsmurray

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Posted 16 September 2007 - 04:11 AM

From what I can tell, the ipconfig results look ok to me.

First thing to try is reboot everything.
Shut down all all computers first.
Then shut down your router.
Then shut down your modem.
Wait 5 minutes. Remember that a watched pot never boils. :thumbsup:
Start your modem, first. Wait for it to establish a connection.
Start your router. Wait for it to be fully started.
Turn on your trouble machine first. Does it connect to the net at all now?
Start any other machines on your network.


From your trouble machine:
If you ping an external address, do you get any response at all or do you get 'connection timed out' errors?
At the command prompt type ping 64.233.183.103 (this is the ip address of google, just testing DNS)
If you get a response from pinging this external address, its possible you need to clear all temporary internet files and cache and possibly flush your DNS.


Since this third laptop can connect to the net on any other network, I am wondering if there is some sort of conflict in your network.
Is that the only machine named 'desktop' on your network?

Is it possible to try a physical connect with an ethernet cable to the router?

Are there any machines on your network that have the same ip address as another? Remember that your addresses may have changed since your reboot procedure.
Do the ipconfig thing with all the machines on your network to check.

PS - To save yourself some work, dont worry about posting the details of the ping, you can just say there was a reasonable response or not.

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#5 squid3600

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Posted 17 September 2007 - 02:49 AM

kk, when i turn off and restart everything, my first computer needs its internet to be repaired. (rightclicking the thing and pressing repair). then it works. my other computers (on wireless) do the same thing in needing repairing. because my computer cannot connect to the internet at all wirelessly (it just says cannot connect to home) the ping syas destination host unreachable. the other computers are called different things. oh, and that ping in my last post was from the home computer, not the problemed laptop. i can connect wired to the network fine, but i have to do that thing u said (turning off the router, modem and pcs then turning it back on) before it works properly. and all the pcs have different ip addresses. thanks for the help so far, u sure do know alot! :thumbsup:

#6 squid3600

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Posted 24 September 2007 - 04:59 AM

sorry for bumping, but i really need to get the laptop working on the net soon. Help please?

#7 jhsmurray

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Posted 24 September 2007 - 06:39 AM

that ping in my last post was from the home computer, not the problemed laptop.

Does that mean the ipconfig you did was from the home computer? If so, can you now try this with the problem laptop? There should be two adapters listed, one for the wired and one for the wireless - the wireless one (for the laptop) is what should be focused on.

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#8 projectfocus

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Posted 24 September 2007 - 09:00 AM

It sounds to me eithera duplicate address problem or the lease for an IP address has not expired and it is trying to connect with a static address that is allready in use.
This is even more evident when you say doing a repair will sort the other machines out. When this is done it will refresh the lease on a dynamicly assigned IP. Then it will be able to comunicate. If there is a PC already connected on that IP then another machine will fail to connect if trying the same. On the problem laptop do the IPconfig /all comand through Comand prompt. This will tell you the IP and if it is assigned dynamically or not.
This is most likely where the issue lies.
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#9 squid3600

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Posted 24 September 2007 - 05:36 PM

yeah, that ipconfig was from my working desktop, sorry. Here's what it says from my laptop:

Windows IP Configuration

Host Name ........ : SAM2007
Primary Dns Suffix ........ :
Node Type ......... : Unknown
IP Routing Enabled ........ : Yes
WINS Proxy Enabled ...... : No

Ethernet adapter Local Area Connection:

Media State ........ : Media disconnected
Description ......... : Broadcom NetXtreme 57xx Gigabit Controller
Physical Address ...... : 00-15-C5-51-84-55

Ethernet adapter Wireless Network Conection:

Media State ...... : media disconnected
Description ...... : Intel® PRO/Wireless 394ABG Network Connection
Physical Address ......... : 00-19-D2-00-13-9E

Edited by squid3600, 24 September 2007 - 05:44 PM.


#10 jhsmurray

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Posted 24 September 2007 - 06:26 PM

Here is a list of things you could try. Start from the top and progress down, testing for success after each step. Many of these steps require a reboot in order for them to take effect.

- review the MS article To set up automatic wireless network configuration

- confirm you have latest firmware for your router

- review MS article Network Adapter Appears as Disconnected

- confirm Wireless Zero Configuration service is started:
from the command line, type devmgmt.msc in the textbox.
In Computer Management, double-click Services and Applications, and then click Services.
In the details pane, right-click Wireless Zero Configuration, and then click Properties.
In the Startup type box, select Automatic, and then click OK.

- run netsh winsock reset from the command line.

- If your wireless adapter is listed in add/remove programs, select the option to repair it

- MS Article on disabling the Media Sensing feature Warning: this step requires registry modification. Incorrect modification can render your system inoperable.

- reinstall drivers for wireless card

Acer Aspire 5732z
OS: Windows 7 Ultimate
Processor: Intel Pentium III Xeon, 2200 MHz
RAM: 3 GB
Display: Mobile Intel GMA 4500M




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