Question about IBM ThinkPad T40 2373 Notebook

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IBM ThinkPad T40 2373 PC Notebook error 1802: unauthorized netword card isplugged in my laptop cannot boot because of this probs

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  • totalpcsol Feb 26, 2009

    hi when i try to boot my t40 i get the error about network card,so i thought id buy a new harddrive that was clean with no os on it,but same problem,can any one help,cannot boot fix from cd due to the laptop not making it that far.ty chris

  • DEKR
    DEKR May 11, 2010

    whan did this problem start and what os

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This is ussually caused by an unsupported WiFi card being installed. You can correct this problem by using a quick BIOS hack... (If you are getting the 1802 error)

Go to this site for the fix: http://www.command-tab.com/2006/02/26/thinkpad-1802-error-fix/

Posted on May 27, 2009

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SOURCE: IBM ThinkPad T40 2373 PC

GO INTO CONTOL PANAL CLICK ON NETWORKING AND LOOK FOR ANY YELLOW TRIANGLES OR RED CHECK MARKS THAN CLICK ON THAT DEVICE AND SEE IF WINDOWS CAN RESOLVE IT

CANDYMANGANDY

Posted on Jan 29, 2009

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Posted on Jan 02, 2017

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1 Answer

My laptop wont boot up. it only goes to the IBM screen and on the top it says error 1805 turn off and remove pci card. and if i go intothe diagnostic boot it says internal pci card shadowed and also says...


The POST error code 1805 for the ThinkPad is as follows :-
1805
Unauthorized Wireless USB card is plugged in—Power off and remove the Wireless USB card.
  1. Remove the Wireless USB card that you installed.
  2. System board.
Please click on this link for further POST error codes and explainations
http://www-307.ibm.com/pc/support/site.wss/document.do?sitestyle=ibm&lndocid=MIGR-42321&velxr-layout=print

Jul 03, 2010 | IBM ThinkPad T30 2366 Notebook

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Error 1802 unauthorized network card is plugged in t 40


http://www.thinkwiki.org/wiki/Problem_with_unauthorized_MiniPCI_network_card

Nov 13, 2009 | IBM ThinkPad T40 2373 Notebook

1 Answer

1802; error when i start thinpad t40


Sounds like a non-IBM network card is installed. Remove the card and reboot your laptop.

Jun 12, 2009 | IBM ThinkPad T40 2373 Notebook

1 Answer

System will not boot up.


Thinkpads have readable "FRU" (Field Replaceable Unit) numbers storedon various components, and at boot up time, for those internal devices(fortunately excluding drive, memory, etc) if they do not "respondcorrectly" saying they are a valid IBM part, they will give this 1802error.

It could be that the referenced device has failed, and thus seems to be there but not responding; it could need reseating;

The Lenovo site should be able to help you with a service guide to remove the card and see if that works.

there is also a "hack" to change the bios of machine - I think "prior to T43" to delete the 1802 check:
http://www.command-tab.com/2006/02/26/thinkpad-1802-error-fix/

Be aware any "hack" can disable the machine completely!

If it does turn out to be the mini PCI network card, you can tryremoving it and going with USB (did 600s' HAVE usb? I can't remembermine any more) or try to find a "genuine" IBM replacement on eBay orITxchange.com

May 30, 2009 | IBM ThinkPad 600E 2645 Notebook

2 Answers

Thinkpad T30 Error 1802 from Verizon modem..Now won't boot past error message even without modem plugged in. Help


The 1802 error is ussually caused by an "unsupported" wireless card being installed. check out this site for a fix that has worked for me on a couple Thinkpads (including the one I'm writing this message on) to allow unsopported wifi cards to work.

http://www.command-tab.com/2006/02/26/thinkpad-1802-error-fix/

Mar 12, 2009 | IBM Thinkpad T30 Notebook

1 Answer

IBM ThinkPad T40 2373 PC Notebook error 1802: unauthorized netword card isplugged in my laptop cannot boot because of this probs


GO INTO CONTOL PANAL CLICK ON NETWORKING AND LOOK FOR ANY YELLOW TRIANGLES OR RED CHECK MARKS THAN CLICK ON THAT DEVICE AND SEE IF WINDOWS CAN RESOLVE IT

CANDYMANGANDY

Jan 26, 2009 | IBM ThinkPad T40 2373 Notebook

3 Answers

IBM R40 2722 1802 Error Message


This is due to the fact that IBM laptops have a list of accepted devices, and the pci card is not recognised in the list. On IBM - Amilo, Mini PCI card slot is usually at the back of computer. Locate and remove Mini PCI wireless card, you will not have integrated wireless after this.
Other solution is to find the option to disable mini PCI in bios settings.
Here is how mini pci wireless card looks like:

dbec5fe.jpg

May 28, 2008 | IBM ThinkPad R40 2722 Notebook

1 Answer

Error Message on boot


Hi,
IBM requires using a "branded" network adapter, meaning one that has IBM's name on it, no matter if it's broadcom,etc. There is a couple of workarounds for this problem which would enable you to use whatever wireless adapter you wish. I would google IBM R40, and error 1802 and you'll find the application you need. Unfortunately, I'm not able to offer it to you here.
Good luck

Dec 02, 2007 | IBM ThinkPad R40 2897 Notebook

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