HELP: I cant get the wifi going.

Forums › LAN (ethernet/Wifi/routers/Bluetooth) › HELP: I cant get the wifi going.

Johnk

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#31567 22-Mar-2009 18:24

help, my problem is this:
i just went out and got a d-link DWA-110 usb wireles usb adapter, got home yesterday, installed it, and what do you know it worked perfectly. so the comp i just pluged it into hadnt been on the net for some time, did an auto update, it included windows XP SP3 as it was only running XP SP2.
after the reboot from installing SP3 i cant use the net through the wifi, it conects and says its working, but i cant acess the network or the net. i used to see the other comps on the network and have access to them, but now nothing, i try click on "view workgroup computers" and get the msg: "MShome is not accesible. You might not have permission to use this network resource. contact the administrator of this server to find out if you have access permissions. the list of servers for this workgroup is currently unavailble."
any help would be great.thanks in advancejohn

cyril7

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#202951 24-Mar-2009 08:15

Hi John, so if you get up a CMD prompt (command window) and type "IPCONFIG" whats the response. What I am trying to see is does the WiFi interface pickup a IP address from your AP/Route and associated gateway address. Oh and whats the WiFi AP in your network, presumably your ADSL modem with builtin WiFi AP, so whats its brand/model.

Cyril

Johnk

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#203055 24-Mar-2009 16:53

hey
yeah it is a 3COM 3CRWE754G72-A.
I have 3 computers conected via Ethernet, and the 4th which i am having trouble with via Wifi.
(2 computers share one port on router via a 5 port switch in the study )

if you get up a CMD prompt (command window) and type "IPCONFIG" whats the response:
i get the following,
IP addy: 192.168.1.5
Subnet mask: 255.255.255.0
Default gateway: 192.168.1.1

cyril7

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#203085 24-Mar-2009 18:51

Hi, ok so from the cmd prompt again, can you ping sites on the internet, ie

ping www.clear.net.nz

firstly does the IP resolve (ie DNS is ok) and then does it actually ping it.

Cyril

Johnk

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#203109 24-Mar-2009 20:41

hey there
i just pinged it and got the following: ping request could not fine host www.clear.net.nz please cheack the name and try again.

cyril7

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#203132 24-Mar-2009 21:39

And if you ping 203.97.37.85

Cyril

Johnk

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#203136 24-Mar-2009 21:52

hey i get the following:

Pinging 203.97.37.85 with 32 bytes of data:

Request timed out.

Pint statistics for 203.97.37.85:

Packets: sent = 4, received = 0, lost = 4 ( 100% loss),

Regs

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#203137 24-Mar-2009 21:54

i couldnt get a couple of machines to work reliably using wireless once i installed xp sp3- for some reason the compatibility seemed to get worse. Especially when using WPA-PSK mode.

can you ping the gateway (router) on 192.168.1.1?

have you looked for a new wireless driver since upgrading to sp3?

perhaps you could try turning off security on the wireless AP and see if it works better?

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Johnk

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#203144 24-Mar-2009 22:18

hey when i ping the router i get the same result as trying to ping clear.net

when you say try and get a new wireless drivers, is that through device manager? then clicking on properties of the usb wifi adapter?

Regs

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Snowflake

#203147 24-Mar-2009 22:23

Johnk: hey when i ping the router i get the same result as trying to ping clear.net

when you say try and get a new wireless drivers, is that through device manager? then clicking on properties of the usb wifi adapter?

probably best to go straight to the manufacturers site to get the latest drivers. e.g. I have a us robotics pcmcia card so i go to www.usr.com and search on usr8054...

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cyril7

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#203180 25-Mar-2009 08:00

+1 on updating drivers.

Cyril

Johnk

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#203589 26-Mar-2009 19:37

hey there guys,
i just reinstalled using the latest drivers/ install off the d-link website,
and i have the same story as before with the firewall turned om.
but if i turn the firewall off i can access the internet, but still not any computers on the network, i get the same error msg when i try and see what workgroup computers are on the network.
any more ideas?

kiwiscoota

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#203604 26-Mar-2009 20:35

A couple of questions spring to mind...

Are all computers set to use the same workgroup name, ie HOME or MYNETWORK or WORKGROUP

After connecting "everything" up and switching on, how long have you waited before trying to see whether computers can "see each other" on the network (Windows can take a while to recognise network changes).

Johnk

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#203616 26-Mar-2009 21:25

yeah the two comps im really trying to acces between are both on MSHOME,
with the firewall turned off, my main comp see and access the 2nd comp running on the wifi, but the 2nd comp cant see it or acces any shared docs, it says workgroup MSHOME no longer exsists???

Johnk

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#203621 26-Mar-2009 21:42

ok, thanks for the help guys,
I gave the comp another GB of ram and that has made a big difference on progress.
Also used the d-link software to conect this time rather than the widows zero wireless set up thing.
I turned the firewall off and on a few times, run the network wizard on both computers once more to triple check same workgroup.
It was working perfectly with the firewall turned off, and then all of a suden windows turned on the firewall (i dont know how/why?) and it is still working,

so hopefully i will shut it all done later on tonight and try again tomorrow to see if everything as it should be.

thanks again

John

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