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    Thinkpad T420s Wifi question

    Discussion in 'Lenovo' started by paachi, Dec 20, 2011.

  1. paachi

    paachi Newbie

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    Hi Everyone,

    I got a used T420s with the b/g/n card. I would like to upgrade to a 6300 card..my question is do the Thinkpad T420s's come with 3 built in antennae?? How do I check that??

    Best,
    PK.
     
    paachi, Dec 20, 2011
    #1
  2. John Ratsey

    John Ratsey Moderately inquisitive Super Moderator

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    Page 74 of the Hardware Maintenance Manual states:
    Therefore the best way to find out what you T420s has got is to take the cover off the RAM compartment and see if there is a white cable parked near the WiFi card.

    Note that Lenovo whitelist the WiFi cards in the BIOS. You therefore need to find a Lenovo-branded 6300 card.

    John
     
    John Ratsey, Dec 21, 2011
    #2
  3. paachi

    paachi Newbie

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    Thank you John. I will check this tonight when I get home..

    The current wifi connection speeds and throughput are pretty bad
     
    paachi, Dec 21, 2011
    #3
  4. miro_gt

    miro_gt Notebook Deity

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    what card do you have currently ? I'm sure it's 5xxx of some sort.

    I upgraded to 5300 from 4965 and it works very well. Might be from your network settings/wifi drivers ?
     
    miro_gt, Dec 21, 2011
    #4