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    Studio XPS 1340 cannot connect Wireless-N

    Discussion in 'Dell XPS and Studio XPS' started by divman, Mar 18, 2009.

  1. divman

    divman Newbie

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    I'm completely unable to get this laptop to connect to a Linksys WRT150N wireless router. Under a/b/g the connection is no problem. Under Wireless-N, it sees the SSID, but can't connect to it.

    I'm using the latest driver from the looks of it. 7.6.0.168 and downloaded it right from the Dell support page.

    The router is setup as

    Wireless-N Only
    Radio Band: Auto
    Wide Channel: Auto
    Standard Channel: Auto

    I tried various channel and band settings but no luck at all.

    Anyone else had issues with WirelessN connections?
     
  2. aidil

    aidil Notebook Evangelist

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    How about your WRT150N firmware, is it the latest?

    With the latest firmware conforming draft 2.0 N standard, you can transmit Wide - 40MHz channel on 2.4GHz band, which is needed to get N connection above 135 or 150Mbps.

    And from my experience setting up my own Linksys Wireless N Router, it's better not to set the Radio Band as Auto, but straightly choose Wide - 40MHz Channel. Cause it tends to fall back to standard - 20MHz Channel if Auto is chosen. If I'm not mistaken, this is caused by draft 2.0 N standard requirement which request manufacturers to disable Wide - 40MHz Channel setting in 2.4GHz by default in order not to make the radio band too crowded.

    Also you have to set your wireless adapter in your Studio XPS 1340 to enable the Wide - 40MHz Channel for the 2.4GHz band, since it's also disabled by default according to draft 2.0 standard and due to your WRT150N is a 2.4GHz band only wireless router.
     
  3. escalera

    escalera Notebook Guru

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    Can you please elaborate as to what kind of error message you are are getting, if there is any?
     
  4. churchwa

    churchwa Notebook Enthusiast

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    I has the same issue, turned out I had to delete all the wireless setting relating to that specific router.
    If it connects once at G it will never ever try to connect at N, also you MUST be using WPA2 (don't ask why, I have no idea).

    WPA wont work!
     
  5. aidil

    aidil Notebook Evangelist

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    AFAIK WPA or WPA2 should work. But best if not TKIP, choose AES instead.
     
  6. jeremysdad

    jeremysdad Notebook Evangelist

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    This is a myth. The whole "you have to use encryption or you can't get full N speeds" is an old school wive's tale...

    Our network is completely open (we live in the boonies), and I get the full 300 Megs, as did my Aspire One...FWIW...
     
  7. churchwa

    churchwa Notebook Enthusiast

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    It is not a myth on the 1340 laptop. As ! said, I don't have a clue why, but these driver only let you connect with the dell 1515 card using WPA2. I KNOW OTHER CARDS WORK WITHOUT OR ON DIFFERENT ENCRYPTION LEVELS!!!! This thread is about the 1340!!!!!!!!! It should work but it does not!
     
  8. jeremysdad

    jeremysdad Notebook Evangelist

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    Dude, I am using a 1340 right freaking now!!!!!11!11!11!!11!!!11!1!111

    And it is connected at 300 megs on an OPEN NETWORK!!!!111!1!1!!!111!1111

    Why all the exclam points?

    I am right, I am using it right now...hold on getting screenie...as you can see from my screenie, it is an open network, and is in fact sitting pegged on 300 Megs...so, yeah...wive's tale, even on the 1340...

    Sorry to burst your bubble...
     

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  9. churchwa

    churchwa Notebook Enthusiast

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    Well I have a few of these laptops and none of them work at 300 on a belkin or netger N routers without being on WPA2. That is all I can say, perhaps different spec routers work better.
     
  10. jeremysdad

    jeremysdad Notebook Evangelist

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    Our router's a Belkin...
     
  11. churchwa

    churchwa Notebook Enthusiast

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    Which one, we had a few N+'s, the N1's seemed to work ok. Also change you sig if you say you have one, it cant be "en route..."
     
  12. divman

    divman Newbie

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    How do I force the 1515 adapter to 40Mhz? I don't see the option under advanced properties in device manager.
     
  13. divman

    divman Newbie

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    Vista sees the network, however returns a message that it cannot connect to the router.

    Firmware on the 150N is at latest release.
     
  14. jeremysdad

    jeremysdad Notebook Evangelist

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    Fixt...thanks for the reminder, Dad...

    Also, I think my screenshot, where I circled in Red the system I was using, pretty much proves that I have it, but whatever, Lord, you are always right...

    How dare I forget, I shall go flog myself with the cat-o-nine tails as penance for my sins against you...

    You're pissing me off...

    And it is an N1...
     
  15. aidil

    aidil Notebook Evangelist

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    Well... It depends on what wireless card you ordered for your 1340. You only need to manually set the wireless adapter to use 40MHz in 2.4GHz (which is changing the 2.4GHz band setting from 20MHz to Auto) if your wireless card is Intel WiFi Link 5100 or 5300.

    In your case of Dell wireless card (Broadcom chipset), the latest driver will do 40MHz in 2.4GHz without any further settings. So you'll only need to enable the Wide - 40MHz channel in your WRT150N.
     
  16. divman

    divman Newbie

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    The Dell 1515 is an Atheros chip, not broadcom.
     
  17. aidil

    aidil Notebook Evangelist

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    Ooppss, sorry for generalizing it. Cause 2 of my old Dell Wireless cards (the one from my Mini 9 and 1510 from my Studio 17) are Broadcomm (I have to check it again though...). Both are now replaced with Intel 5100 and 5300.

    Hmmm... So I this could means that the driver behave differently? Cause my old Dell Wireless-N 1510 card latest driver did not require any settings to get 270Mbps connection with my Linksys wirelesss N router.
     
  18. divman

    divman Newbie

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    I've gone through the options again, and while there are some settings specific to a/b/g there isn't much really for N to hard set.

    I've reset the router, configured new wireless settings and configured the wireless-N based on what I've read here. I'll give that a shot tonight and see if I can get it going.

    I'm also picking up a WRT610, so I'll see if the 1340 can connect to that device at N.
     
  19. paper_wastage

    paper_wastage Beat this 7x7x7 Cube

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    dd-wrt ftw...

    Netgear WNR834B loaded up with DD-WRT, multiple devices connected at g/n (dell 1330, 1530, MB, MBP, Alienware, some Intel, Apple, Dell hardware), no problems...
     
  20. aidil

    aidil Notebook Evangelist

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    With WRT610N you'll get the advantage of not so crowded 5GHz band. But since your 1510 is only a 2 antennas wireless card, then your current 2 antennas WRT150N and the 3x2 antennas WRT610N should give the same 270 (or maybe 300) Mbps wireless N connections.
     
  21. divman

    divman Newbie

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    Setting the firm config in the router did the trick. I am now getting 300Mbps on both devices.
     
  22. ashrivas18

    ashrivas18 Notebook Consultant

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    Hey there! I was wondering what router ur using. I have a 1640 with dell wireless 1515 N adapter as well.
     
  23. jeremysdad

    jeremysdad Notebook Evangelist

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    I believe that it is a BelkinN1...I cannot see it right now, as it is in my parent's house across the yard.

    Will look later an report back with the definitive answer.

    Is not an N1 (I think), it just says N Router...here's a link to Belkin's product page for it.. http://catalog.belkin.com/IWCatProductPage.process?Product_Id=459569