this post was submitted on 22 Sep 2023
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My friend has a wifi 4 card in his Thinkpad and recommended to upgrade. Now you say there are difficulties in the Upgrade process, so I wanted to ask since you seem to have knowledge about it: What do I have to look for?
in my case, the BIOS had a whitelist for pci devices and only OEM WiFi cards were on the whitelist. I was able to find a tool that tricked the BIOS into not caring that newer card wasn't listed.
for you I'd say, check to see if there is a whitelist for your model TP and then reassess if upgrading is feasible.