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#21
To know more about it, you may look at here: Mobile Broadband : SAF Internal Dell Wireless 5560 (HSPA+) MiniCard SIM not included for Windows 7 (Kit) : Mobile Phones & Communications Devices - Accessories | Dell UK
Yes, you need it for wireless network connectivity. This is a place to look at for the driver: https://downloadcenter.intel.com/sea...dvanced-N+6205
Yes, it is the source of the BSOD. But I am not sure about the BIOS settings. All makes and models are somehow different in respect of BIOS settings.