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The operating system can see this condition: on Linux it is reported as “hard blocked” by rfkill. But there might be a catch: the WWAN slot’s “disable radio” signal could be active, so that the card will refuse from using the radio. A neighboring WWAN slot is allowed to hold such a card.

On models with multiple MiniPCI (express) slots, the BIOS checks only the “WiFi-slot” for unauthorized WiFi cards. One source suggest that one more value should be modified:Īlthough it might not be necessary. The value of the first register inside the memory of the PCI card should be modified to read: Further modifications were needed to eliminate the 1802 error. However, this doesn't work on my Thinkpad X40. Instructions on how to unbrand an HP lt4132 (HP-rebranded Huawei ME906s WWAN module, compatible with some X1 Yoga and X1 Carbon models) can be found hereĪccording to the information found from the links above the authors suggest a change in the network card memory (ethtool -E ethX magic 0x2200 offset 0x8 value 0x12). The second one is much simpler because it provides an already patched and compiled ipw2200 driver required to do the job.

Instruction for intel 2200/2915 cards are here or here or here (in German). It also has links on how to edit the PCI-ID on Intel Pro Wireless cards. This page is for Atheros-based cards and HP notebooks, but it applies to Thinkpads as well. The instructions are here (link down, 4 - mirror here, second mirror here). No problem with newer laptops with different BIOS the only reqirement is to find an ID that is already listed in the BIOS, which can be easily achieved if the community maintaina a compatibility table.Future BIOS updates will not create any problems.You'll risk the wireless card instead of the motherboard.This does not make the wireless card work, but it may allow you to boot the computer normally.Ī safer and better method than modifying the BIOS is modifying the PCI-ID of the wlan card to match the authorized one: Press F1 to enter the BIOS and deactivate the WLAN card, then attempt to boot with the card disabled. It may be possible to use the computer with the unauthorized card deactivated (but not removed). Any of the following solutions should suffice to make the wireless card useable.