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    Option gtm671w

    Discussion in 'Lenovo' started by Unit Igor, Jan 30, 2014.

  1. Unit Igor

    Unit Igor Notebook Consultant

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    Hey guys
    Even if my notebook is not Lenovo i post this thread here because Lenovo owners have more experience with this matter.
    So I installed Option gtm671W in my NP900X3C and also installed all drivers without problem.I dont have any yellow warning in device manager.I can see 3g and wifi.Wifi connection is great.
    Only and the biggest problem i have is:Windows keep telling me to "Insert SIM card" which of course i already insert in USIM SIM card slot.
    I tried Windows 7 and Windows 8 but its same thing ,Windows keep telling me i need to insert Sim Card.
    Does somebody have suggestions what i can try?
    Thank you