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  #1 (permalink)  
Old 10-18-2006, 05:24 PM
Squeff
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Default New laptop, having trouble with WiFi

I've recently changed jobs and have a new laptop (Dell D620). When I
try to connect to my home wireless network, I get a connection, but I
cannot get an IP address. The little computer with the "roaming" dot
runs for a while, and then it times out.

I tried this with a public wireless AP and it doesn't time out, but I
never do get the IP address, DNS, etc. It just shows a successful
connect and then nothing.

I've tried connecting to my home network with other devices, with no
problems (have been doing this for several years, now). I have WEP
enabled, but MAC filtering turned off. I'm positive I'm entering the
correct WEP key.

OK, so maybe the built-in WiFi in the laptop is broken. So, I tried
installing a Netgear PC Card (one that I've used many times with
another laptop) with the latest drivers and software. Same result!

So, I'm thinking that maybe there is something in the way my new
employer has the laptop setup. What could this possibly be? Before I
go bugging our tech support (who will take away my laptop for several
days while they determine if the machine is physically broken), I want
to see if there are other things that might be the cause.

One thought is that the machine is "registered" to our company's
domain. Would this prevent me from accessing outside networks?
Control Panel, System, Computer Name. Under "Domain" is
mylocaldomain.mycompany.com. Before I take drastic steps, could this
possibly be it? I wouldn't think...

Any ideas?

I've been a WiFi user for several years, now. I've successfully setup
several APs/routers, computers, laptop, PDAs, bridges, wireless printer
servers, and a ReplayTV. But this one has me stumped.

I'm using XP SP2. Windows Firewall is off.

Thanks.


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  #2 (permalink)  
Old 10-18-2006, 06:15 PM
Spete
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Default Re: New laptop, having trouble with WiFi


"Squeff" <squeffrey@gmail.com> wrote in message
news:1161192258.008933.50900@f16g2000cwb.googlegro ups.com...
> I've recently changed jobs and have a new laptop (Dell D620). When I
> try to connect to my home wireless network, I get a connection, but I
> cannot get an IP address. The little computer with the "roaming" dot
> runs for a while, and then it times out.
>
> I tried this with a public wireless AP and it doesn't time out, but I
> never do get the IP address, DNS, etc. It just shows a successful
> connect and then nothing.
>
> I've tried connecting to my home network with other devices, with no
> problems (have been doing this for several years, now). I have WEP
> enabled, but MAC filtering turned off. I'm positive I'm entering the
> correct WEP key.
>
> OK, so maybe the built-in WiFi in the laptop is broken. So, I tried
> installing a Netgear PC Card (one that I've used many times with
> another laptop) with the latest drivers and software. Same result!
>
> So, I'm thinking that maybe there is something in the way my new
> employer has the laptop setup. What could this possibly be? Before I
> go bugging our tech support (who will take away my laptop for several
> days while they determine if the machine is physically broken), I want
> to see if there are other things that might be the cause.
>
> One thought is that the machine is "registered" to our company's
> domain. Would this prevent me from accessing outside networks?
> Control Panel, System, Computer Name. Under "Domain" is
> mylocaldomain.mycompany.com. Before I take drastic steps, could this
> possibly be it? I wouldn't think...
>
> Any ideas?
>
> I've been a WiFi user for several years, now. I've successfully setup
> several APs/routers, computers, laptop, PDAs, bridges, wireless printer
> servers, and a ReplayTV. But this one has me stumped.
>
> I'm using XP SP2. Windows Firewall is off.
>
> Thanks.
>


It may sound silly untill you've seen it happen: Numlock enabled?

--
Spete



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  #3 (permalink)  
Old 10-18-2006, 08:12 PM
John Navas
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Default Re: New laptop, having trouble with WiFi

On 18 Oct 2006 10:24:18 -0700, "Squeff" <squeffrey@gmail.com> wrote in
<1161192258.008933.50900@f16g2000cwb.googlegroups. com>:

>I've recently changed jobs and have a new laptop (Dell D620). When I
>try to connect to my home wireless network, I get a connection, but I
>cannot get an IP address. The little computer with the "roaming" dot
>runs for a while, and then it times out.


Probably security failure. Try connecting with *all* security disabled.
When using WEP (bad idea -- use WPA instead), enter all keys in *hex*.
This is covered in Fast Fixes below. ;)

--
Best regards, FAQ for Wireless Internet: <http://Wireless.wikia.com>
John Navas FAQ for Wi-Fi: <http://wireless.wikia.com/wiki/Wi-Fi>
Wi-Fi How To: <http://wireless.wikia.com/wiki/Wi-Fi_HowTo>
Fixes to Wi-Fi Problems: <http://wireless.wikia.com/wiki/Wi-Fi_Fixes>

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  #4 (permalink)  
Old 10-19-2006, 02:34 AM
Squeff
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Default Re: New laptop, having trouble with WiFi


John Navas wrote:
>
> Probably security failure. Try connecting with *all* security disabled.
> When using WEP (bad idea -- use WPA instead), enter all keys in *hex*.
> This is covered in Fast Fixes below. ;)
>


I'll give it a shot. The reason I'm use WEP is because I need to
connect from some devices (PDA) that simply do not have a WPA option.
Wish it did, but it does not.


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  #5 (permalink)  
Old 10-19-2006, 03:13 AM
Jeff Liebermann
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Default Re: New laptop, having trouble with WiFi

"Squeff" <squeffrey@gmail.com> hath wroth:

>I've tried connecting to my home network with other devices, with no
>problems (have been doing this for several years, now). I have WEP
>enabled, but MAC filtering turned off. I'm positive I'm entering the
>correct WEP key.


Try again, this time using the Hexadecimal version of the WEP key
instead of the ASCII version. There are problems with some products
converting from ASCII to Hex. Hex always works.

--
Jeff Liebermann jeffl@comix.santa-cruz.ca.us
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

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  #6 (permalink)  
Old 10-19-2006, 03:18 AM
Jeff Liebermann
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Default Re: New laptop, having trouble with WiFi

"Squeff" <squeffrey@gmail.com> hath wroth:

>I'll give it a shot. The reason I'm use WEP is because I need to
>connect from some devices (PDA) that simply do not have a WPA option.
>Wish it did, but it does not.


Which PDA? The Funk Odessey client for various PDA's will support
WPA-PSK etc. However, it's not free and needs to be licensed.
http://www.juniper.net/customers/sup...oducts/oac.jsp
--
Jeff Liebermann jeffl@comix.santa-cruz.ca.us
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

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  #7 (permalink)  
Old 10-19-2006, 11:12 AM
Squeff
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Default Re: New laptop, having trouble with WiFi


Jeff Liebermann wrote:

> Which PDA? The Funk Odessey client for various PDA's will support
> WPA-PSK etc. However, it's not free and needs to be licensed.
> http://www.juniper.net/customers/sup...oducts/oac.jsp


Thanks, but I have a Sony TH55. PalmOS based, which does not appear to
be supported.


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  #8 (permalink)  
Old 10-19-2006, 11:14 AM
Squeff
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Default Re: New laptop, having trouble with WiFi


Jeff Liebermann wrote:

> Try again, this time using the Hexadecimal version of the WEP key
> instead of the ASCII version. There are problems with some products
> converting from ASCII to Hex. Hex always works.


Thanks, but my key is already in hex. In fact, it's a key that's the
same in both ASCII and Hex.


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  #9 (permalink)  
Old 10-19-2006, 03:41 PM
Peter Pan
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Default Re: New laptop, having trouble with WiFi

Squeff wrote:
> Jeff Liebermann wrote:
>
>> Try again, this time using the Hexadecimal version of the WEP key
>> instead of the ASCII version. There are problems with some products
>> converting from ASCII to Hex. Hex always works.

>
> Thanks, but my key is already in hex. In fact, it's a key that's the
> same in both ASCII and Hex.


Then hows it know to use hex instead of acsii?



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  #10 (permalink)  
Old 10-19-2006, 04:56 PM
Jeff Liebermann
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Default Re: New laptop, having trouble with WiFi

"Squeff" <squeffrey@gmail.com> hath wroth:

>
>Jeff Liebermann wrote:
>
>> Try again, this time using the Hexadecimal version of the WEP key
>> instead of the ASCII version. There are problems with some products
>> converting from ASCII to Hex. Hex always works.

>
>Thanks, but my key is already in hex. In fact, it's a key that's the
>same in both ASCII and Hex.


Impossible. The hex and ascii keys are different lengths.

Type of key Length (chars)
64 bit ASCII 5
54 bit Hex 10
128 bit ASCII 13
128 bit Hex 26

Your PEG-T55 is determining whether the key is Hex or ASCII by the
length of the key, not by its contents. The key should be 10 or 26
characters long, which will always be Hex. If it's 5 or 13 characters
long, it's always ASCII, no matter what characters you use.


--
Jeff Liebermann jeffl@comix.santa-cruz.ca.us
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

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  #11 (permalink)  
Old 10-19-2006, 07:43 PM
Mark McIntyre
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Posts: n/a
Default Re: New laptop, having trouble with WiFi

On 19 Oct 2006 04:14:25 -0700, in alt.internet.wireless , "Squeff"
<squeffrey@gmail.com> wrote:

>
>Jeff Liebermann wrote:
>
>> Try again, this time using the Hexadecimal version of the WEP key
>> instead of the ASCII version. There are problems with some products
>> converting from ASCII to Hex. Hex always works.

>
>Thanks, but my key is already in hex. In fact, it's a key that's the
>same in both ASCII and Hex.


Thats impossible. You have an ASCII key which /looks/ like a hex key.
--
Mark McIntyre

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  #12 (permalink)  
Old 10-20-2006, 12:58 PM
Squeff
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Posts: n/a
Default Re: New laptop, having trouble with WiFi


Jeff Liebermann wrote:
> "Squeff" <squeffrey@gmail.com> hath wroth:
>
> >
> >Jeff Liebermann wrote:
> >
> >> Try again, this time using the Hexadecimal version of the WEP key
> >> instead of the ASCII version. There are problems with some products
> >> converting from ASCII to Hex. Hex always works.

> >
> >Thanks, but my key is already in hex. In fact, it's a key that's the
> >same in both ASCII and Hex.

>
> Impossible. The hex and ascii keys are different lengths.
>
> Type of key Length (chars)
> 64 bit ASCII 5
> 54 bit Hex 10
> 128 bit ASCII 13
> 128 bit Hex 26
>
> Your PEG-T55 is determining whether the key is Hex or ASCII by the
> length of the key, not by its contents. The key should be 10 or 26
> characters long, which will always be Hex. If it's 5 or 13 characters
> long, it's always ASCII, no matter what characters you use.
>
>
> --
> Jeff Liebermann jeffl@comix.santa-cruz.ca.us
> 150 Felker St #D http://www.LearnByDestroying.com
> Santa Cruz CA 95060 http://802.11junk.com
> Skype: JeffLiebermann AE6KS 831-336-2558


What I meant was....

My key is something like 1212121212. That's 10 digits. It's hex.


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  #13 (permalink)  
Old 10-20-2006, 01:01 PM
Squeff
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Posts: n/a
Default Re: New laptop, having trouble with WiFi


Mark McIntyre wrote:

> Thats impossible. You have an ASCII key which /looks/ like a hex key.


Yes, that's exactly what I meant. Or, rather, I mean the exact
opposite. I have a 10-digit key, containing only numbers between 1 and
9. Unless you know the length that a hex key vs. an ASCII key should
be, you'd have no way of knowing if the 10-digit number was in hex or
decimal. Or ASCII.

To be clear, it's 10 digits. I believe that this makes it a hex key.


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  #14 (permalink)  
Old 10-20-2006, 04:04 PM
Jeff Liebermann
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Default Re: New laptop, having trouble with WiFi

"Squeff" <squeffrey@gmail.com> hath wroth:

>What I meant was....
>My key is something like 1212121212. That's 10 digits. It's hex.


OK, that's WEP64 in Hex and should work. So much for that theory and
back to square one.

Could I trouble you to disclose the maker and model of the access
point or wireless router to which you're trying to connect?

Since the unspecified model wireless router works with other wireless
clients, I can presume that it's not defective. Are you *SURE* that
you've disabled MAC filtering and IP filtering? The fact that the
Netgear card and whatever is in the Dell D620 both do not work seems
to point to a functioning MAC or IP filter. Try temporarily turning
OFF encryption in the unspecified model wireless router and see if it
works. If it does NOT work, then you probably have a MAC or IP filter
enabled somewhere.

If you don't have a huge number of configuration tweaks and forwarded
IP ports, you might wanna just punch the reset button and start over.


--
Jeff Liebermann jeffl@comix.santa-cruz.ca.us
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

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  #15 (permalink)  
Old 10-22-2006, 01:59 AM
Squeff
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Default Re: New laptop, having trouble with WiFi


Jeff Liebermann wrote:
> Could I trouble you to disclose the maker and model of the access
> point or wireless router to which you're trying to connect?


My router is a NetGear WGT624.

As far as clients, I've tried the Dell Wireless WLAN Card Utility and
NetGear's own. Neither have worked.

> Since the unspecified model wireless router works with other wireless
> clients, I can presume that it's not defective.


Yes, it works just fine from my ReplayTV (via NetGear Wireless
Bridge), to my wireless print server (DLink), and my Clie TH55. Just
tried all of these.


> Are you *SURE* that
> you've disabled MAC filtering and IP filtering?


Anything's possible, but I double checked at the MAC filtering is off.
No IP filtering.

> The fact that the
> Netgear card and whatever is in the Dell D620 both do not work seems
> to point to a functioning MAC or IP filter. Try temporarily turning
> OFF encryption in the unspecified model wireless router and see if it
> works.


Will be trying this next, however...

On my attempts tonight (with MAC filtering off, but WEP still on), I
get the following:

It connects and I'm able to get an IP address. This is better than
before (so I'm not sure what's different). I'm then able to get to a
site (e.g., www.cnn.com), albeit very slowly.

Then, the next site I go to, I get "Server Not Found." Then, if I wait
a bit, I MIGHT be able to get to the site if I try again. Maybe.

Sometimes, I can't even get to the first site.

This is even weirder!

All the while, I'm told that I have a strong wirless connection (I'm 2
feet from the router).

If I try to connect to these sites from my desktop computer, they come
up fast and without problems.

> If it does NOT work, then you probably have a MAC or IP filter enabled somewhere.


> If you don't have a huge number of configuration tweaks and forwarded
> IP ports, you might wanna just punch the reset button and start over.


Will try disabling WEP and see if that helps. I'm scratching my head
over this one, since it does work. Only sometimes.


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  #16 (permalink)  
Old 10-22-2006, 03:01 AM
Squeff
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Default Re: New laptop, having trouble with WiFi

Here's the update.

I retried the NetGear card, re-created the profile, and tried again
with that. Works fine. So... I'm sure I make a mistake the first time
through somewhere with that. As for the built-in... from my previous
post, you can see that it's just plain weird. For now, I'm happy with
the NetGear card. My guess is that the built-in has something wrong
with it, or it's incompatible with my NetGear router.


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  #17 (permalink)  
Old 10-22-2006, 03:31 AM
Jeff Liebermann
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Default Re: New laptop, having trouble with WiFi

"Squeff" <squeffrey@gmail.com> hath wroth:

>On my attempts tonight (with MAC filtering off, but WEP still on), I
>get the following:
>
>It connects and I'm able to get an IP address. This is better than
>before (so I'm not sure what's different). I'm then able to get to a
>site (e.g., www.cnn.com), albeit very slowly.
>
>Then, the next site I go to, I get "Server Not Found." Then, if I wait
>a bit, I MIGHT be able to get to the site if I try again. Maybe.
>
>Sometimes, I can't even get to the first site.


Sounds like a high wireless data error rate. What does your client
computer say is the wireless connection speed?

You mentioned that the ethernet connected desktop works just fine. So,
try this particular computer with a directly connected CAT5 cable.
Windoze is smart enough to give the ethernet connection priority over
the wireless, so you won't need to do any reconfiguration. If the
direct connection works normally, then there's only one thing left
that might be broken. That's the wireless section on the Netgear
WGT624.

>All the while, I'm told that I have a strong wirless connection (I'm 2
>feet from the router).


2 ft is a bit close. Try backing off just in case there's some
overload issue causing the high error rate.

>Will try disabling WEP and see if that helps. I'm scratching my head
>over this one, since it does work. Only sometimes.


Well, I'm also mystified. I'm trying to go through the possible
assumptions in case we missed something. I suggest you concentrate on
the router. Turn OFF literally every enhancement and feature turning
it into a very basic wireless router. That means turning off Super-G
or Turbo-G (I forgot which one is used in the WGT624). Check your
WGT624 firmware version to insure it's the latest. Turn off MAC
filtering and such. Might as well turn off 802.11b compatibility.
Leave RTS/CTS flow control and fragmentation at defaults. Check the
log and status pages for any clues. If desperate, punch the reset
button and start from scratch.

On the other side of the coin is the Dell D620. What manner of
wireless miniPCI card is inside? If it's an Intel card, be sure to
get the latest Proset drivers and utilities from the Intel web site:
| http://www.intel.com/network/connect...t_software.htm
Methinks Proset is much more better than Windoze Wireless Zero Config.
--
Jeff Liebermann jeffl@comix.santa-cruz.ca.us
150 Felker St #D http://www.LearnByDestroying.com
Santa Cruz CA 95060 http://802.11junk.com
Skype: JeffLiebermann AE6KS 831-336-2558

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  #18 (permalink)  
Old 10-22-2006, 04:14 PM
John Navas
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Default Re: New laptop, having trouble with WiFi

On Sat, 21 Oct 2006 20:31:26 -0700, Jeff Liebermann
<jeffl@comix.santa-cruz.ca.us> wrote in
<5golj291kce44416ov57stf37pellqiq4q@4ax.com>:

>Well, I'm also mystified. I'm trying to go through the possible
>assumptions in case we missed something. I suggest you concentrate on
>the router. Turn OFF literally every enhancement and feature turning
>it into a very basic wireless router. That means turning off Super-G
>or Turbo-G (I forgot which one is used in the WGT624). Check your
>WGT624 firmware version to insure it's the latest. Turn off MAC
>filtering and such. Might as well turn off 802.11b compatibility.
>Leave RTS/CTS flow control and fragmentation at defaults. Check the
>log and status pages for any clues. If desperate, punch the reset
>button and start from scratch.


My advice is to save the router settings to disk (over a wired
connection or a good wireless connection), make sure the latest firmware
is installed, and hard reset the router. I've seen cases where
everything looked OK in the web interface, but only a hard reset got the
router solidly back in business.

--
Best regards, FAQ for Wireless Internet: <http://Wireless.wikia.com>
John Navas FAQ for Wi-Fi: <http://wireless.wikia.com/wiki/Wi-Fi>
Wi-Fi How To: <http://wireless.wikia.com/wiki/Wi-Fi_HowTo>
Fixes to Wi-Fi Problems: <http://wireless.wikia.com/wiki/Wi-Fi_Fixes>

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