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hotgranny
Blue Screen Again
Posts: 30
Registered: ‎07-19-2012
Location: United States
Views: 1,066
Message 1 of 8

No network card is recognized in W520 full size minipci slot?

 I own the w520.  I want it to have two internal network cards in the two minipci slots.  the laptop came with one wireless card in the half-size slot, it works fine there.  Previously, I had a SSD in the full size slot that worked fine.  The problem is that no wireless card will work in the fullsize slot.  It does not matter if it is on the whitelist or not.  Heck, I even moved the halfsize one that came with the computer to the fullsize slot with a bracket and the network card was not seen by Windows there.  What can I do to make the fullsize minipci slot recognize a network card?  Please help!  Thanks in advance!

Retired Support Specialist
Posts: 524
Registered: ‎07-19-2012
Location: Raleigh, NC
Views: 1,058
Message 2 of 8

Re: No network card is recognized in W520 full size minipci slot?

You may want to try using Access Connections to access it and see if that works.

 

You can download Access Connections here if you need it:

 

http://support.lenovo.com/en_US/downloads/detail.page?LegacyDocID=MIGR-73682#ac

 

Let us know if that works.

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Registered: ‎11-04-2009
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Message 3 of 8

Re: No network card is recognized in W520 full size minipci slot?


@hotgranny wrote:

 I own the w520.  I want it to have two internal network cards in the two minipci slots.  the laptop came with one wireless card in the half-size slot, it works fine there.  Previously, I had a SSD in the full size slot that worked fine.  The problem is that no wireless card will work in the fullsize slot.  It does not matter if it is on the whitelist or not.  Heck, I even moved the halfsize one that came with the computer to the fullsize slot with a bracket and the network card was not seen by Windows there.  What can I do to make the fullsize minipci slot recognize a network card?  Please help!  Thanks in advance!


If you are trying to use a WLAN card(aka Wireless LAN) card in there, it won't work. Some people report success by covering pin 20 of the card, but that slot was not designed to put a full sized Wireless LAN card. That slot is for SSD and WWAN(Cellular) cards. I tried the same thing when I attempted to *GASP, Install Mac OS X Lion on there. I couldn't get it to work even when covering pin 20


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td44
Punch Card
Posts: 15
Registered: ‎08-21-2011
Location: Canada
Views: 1,029
Message 4 of 8

Re: No network card is recognized in W520 full size minipci slot?

The WWAN slot is not a full mPCIe slot, it has a "USB interface". You need to install a card which also operates on a USB interface. If you install a card that is a true mPCIe card it will not be recognized as you describe. I had the same issue when installing a TV tuner, and switching it for another one that had a USB interface did the trick. Often the interface type will not be advertised in the information for the card, so you will have to do a bit of research to find out what type it is.

hotgranny
Blue Screen Again
Posts: 30
Registered: ‎07-19-2012
Location: United States
Views: 996
Message 5 of 8

Re: No network card is recognized in W520 full size minipci slot?

Hello my friends thank you for your solutions.  I think I am going to try the hardware-based solution first, then try the software-based solution second.  This is because the device is not even seen in Windows, it is as if it does not exist.  

 

As I understand it, I need a MiniPCIe card with a USB interface with 802.11n wireless capabilities.  I have searched high and low for a card that will suit my needs.  I looked at the two WWAN cards that lenovo puts into the w520, one does not appear to have 802.11n capabilities and the other is a half-size card.  Thus, I do not suspect either of those cards will help me.

 

I am curious if anyone here knows the exact model number of a USB-based MiniPCIe network card.  Otherwise, would this unit be an acceptable solution: http://www.ebay.com/itm/Mini-PCI-E-Card-to-USB-2-0-Adapter-Card-/290746815483

I would prefer a good antenna, like the 2 wires that come with MiniPCIe cards, which is why I am shying away from that ebay product.

Retired Support Specialist
Posts: 249
Registered: ‎07-19-2012
Location: Raleigh, North Carolina
Views: 983
Message 6 of 8

Re: No network card is recognized in W520 full size minipci slot?

hotgranny:

 

Part number 0A36185 is available through Lenovo.com: ThinkPad GOBI Mobile Broadband Wireless WAN and many third party websites.

 

Hopefully that helps!

 

Ed

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hotgranny
Blue Screen Again
Posts: 30
Registered: ‎07-19-2012
Location: United States
Views: 968
Message 7 of 8

Re: No network card is recognized in W520 full size minipci slot?

Ed:

Thank you very much for your reply, my friend.

I have seen this Gobi solution.  I have also found an Erickson solution.

 

I mentioned that 802.11n connectivity is a primary goal for me.  In reviewing the specs for this Gobi, I cannot find any confirmation that it will operate at 802.11n.  It seems that it is strictly a WWAN adapter.  Am I wrong, will this operate on wilress N networks?  If so I will purchase one immediately.  Can you confirm it will work on 802.11n?

I also looked at the Erickson solution.  It appears that it is a WWAN card that will also operate on 802.11n networks.  However, it is a half-height unit.  I suspect that lenovo techs put this in the half-size minipcie slot, just as they put my 1x1 realtek card in the halfsize slot.

From reading replies on this thread, I have come to understand the halfsize slot will accept cards with a minipcie interface while the fullsize slot will accept only cards with a usb interface.  That claim is supported by my experiments where I put the OEM lenovo halfsize card that came with my laptop into the fullsize slot and it was not detected at all, but where I put a SSD drive in the fullsize slot and it worked fine.

 

For the reasons above, I am doubtful that the gobi card will work for me because it does not appear to be a 802.11n card and the Erickson card probably will not work either because I suspect it is a non-usb halfsize card for the halfsize slot.

 

What do you think of my suspicions.  If you suspect I am correct, can you recommend any usb interface minipcie card that might work for me?  Otherwise if you are confident that the gobi card will work with wireless routers, please let me know and I will buy one asap.

 

Thank you for taking the time to read my posts, friends.

hotgranny
Blue Screen Again
Posts: 30
Registered: ‎07-19-2012
Location: United States
Views: 876
Message 8 of 8

Re: No network card is recognized in W520 full size minipci slot?

I am back to say I think I solved the problem.  I followed the advice of the person who recommended I obtain a minipcie card that uses USB.  I did obtain one but it was foreign and didn't work well.  However, Windows did find the card, so that is the good news.

I found another card that I believe is USB and I think it will work.  I ordered it and it is being shipped at this time.  It was very difficult to distinguish between which cards were usb and which were pcie.  Very few are USB, I have found.  The method I used to determine whether a card was USB-based or not is as follows: 1) I determined what chipset the card in question uses, i.e. Ralink RT3070; 2) I looked at the specs for the chipset in question at http://wikidevi.com/wiki/Ralink

If the chipset uses a USB interface, then I am guessing the card will work in the W520 large slot.

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