07-01-2016 09:13 PM
I use my X131e on a network NAS, so bandwidth for desktop expereince is very important. I upgraded the factory 2x2 a/b/g/n card with an Intel 7260HMW BT4.0 card (802.11AC). However at post it says 1802: unauthorized network card is plugged in, and it haults post with no way to continue. What gives? I love my X131e minus the fact it does not support .AC I even installed a 7200rpm 500GB/32MB HDD with my OS running off a SSD mini card.
07-02-2016 07:37 PM - edited 07-02-2016 07:38 PM
The situation hasn't changed from when you asked back in December. The BIOS whitelists wifi cards. They have to be a whitelisted model and have a matching Lenovo FRU number.
Goretsky gave you the list: https://forums.lenovo.com/t5/ThinkPad-X-Series-Laptops/802-11ac-WIFI-Card-131e/m-p/2236474/highlight...
Without a modified BIOS you're limited to that list.
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