can you upgrade the wireless network card in dell latitude 6540 laptop

Hi Llarrythelizzard,

Your E6540 should be able to upgrade to an Intel 7260 card that can support WiDi. Here is a link to the card that should fit your system: http://dell.to/2dBsHzX

If you enter your Service Tag here: http://dell.to/2dBqODh

you can verify that this is the correct card. Also you can download drivers for the card and view the service manual here: http://dell.to/2dBrxEz

Please note that support for this might be limited since Intel has moved away from WiDi: http://dell.to/2dBt5OD;

If you purchase this card elsewhere, make sure it is the Dell version of the card. On a side note, while newer versions might work in this system it is highly recommended to stick with original configuration options unless you find another reliable source stating otherwise.

Best regards,

Brad 

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