[REQUEST] Lenovo Thinkpad T440p (GLETxxWW) Whitelist Removal

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[REQUEST] Lenovo Thinkpad T440p (GLETxxWW) Whitelist Removal

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Joined: Nov 2018
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atw58

Junior Member

#366

01-17-2020, 03:02 PM (This post was last modified: 01-17-2020, 03:04 PM by atw58.)

Hi folks,

I'm confused with removing the whitelist restriction on T440p. Some posts indicate bios ver 2.36 has the whitelist removed and downgrading will allow other wifi cards. I've tried this and get the following bios error message using a DW1820A.

"1802: Unauthorized network card is plugged in - Power off and remove the network card. (14E4/43A3/1028/0023)
1802: Unauthorized network card is plugged in - Power off and remove the network card. (0A5C/6412)"

Is this downgrade option a myth or only works in special circumstances. Just looking for the least painful method to add a compatible hackintosh card.