Replacing the Realtek wifi card with an Intel one

Hey everyone,
I am trying to replace the poor performing realtek wifi module with an Intel Centrino one on my T420.
I purchased an "Intel Centrino Advanced-N 6205"  which is one of the chips the T420 comes with.
Apparently my chip is not whitelisted, as I could not boot with it plugged in.
Lenovo support was unable to tell me where to get a Lenovo branded chip.
Can anyone help me out?
Thanks in advance!
Solved!
Go to Solution.

Hello and welcome,
As you've discovered, wifi cards have to be the correct model (Intel xyz) and have a Lenovo FRU number.
I can't link to the T420 Hardware Maintenance Manual at the moment - support is undergoing maintenance
Here are the Intel models and FRUs from my local T420 HMM:
Wireless-N 1000                       60Y3241
Advanced-N 6205 (2x2 AGN)             60Y3253
Ultimate-N 6300                       60Y3233
Advanced-N + WiMAX 6250, WW SKU       60Y3195
Advanced-N + WiMAX 6250, Russia SKU   60Y3209
Hopefully that helps your search.
Z.
The large print: please read the Community Participation Rules before posting. Include as much information as possible: model, machine type, operating system, and a descriptive subject line. Do not include personal information: serial number, telephone number, email address, etc.  The fine print: I do not work for, nor do I speak for Lenovo. Unsolicited private messages will be ignored. ... GeezBlog
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