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Are laptop network cards pretty much universal in compatibility? If not, how can you tell whether a specific card is compatible? I have an old computer with a functional network card and a newer computer with a broken one and I'm looking to replace it.

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Its not likely that you would be able to do it since the card might be soldered onto the motherboard. but the definitive way of knowing this is opening them up and seeing for your self. I would suggest that you buy a wifi dongle –  Shekhar Jul 8 '13 at 19:30
    
Many of the newer computers use a mini PCIE board in which case most likely would be compatible. However, you want to check and make sure that they are both using the same interface before getting out your wedge tools to 'make' them fit. –  kobaltz Jul 8 '13 at 19:49
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Only WLAN cards using Mini-PCIE/MiniPCI are exchangeable. LAN NICs are soldered to the motherboard and can not be removed. Please update your question as to which you are refering to. –  user555 Jul 8 '13 at 22:35

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