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Question

 

I have a T400 with intel 5100 wifi card and now I want to install mac os on my laptop.

problem is that mac os does not detect the 5100 series of wifi card and I want to know whether it is possible to replace the current 5100 model with a older series?

 

 

Answer

One  recommendation would be to visit the Lenovo support site and look up the part list for your particular system (in this case a T400) and review the list wifi cards listed as applicable. 

 

Lenovo restricts the wireless cards to Lenovo branded units certified to work with the machine. This is done through a whitelist in the system BIOS.  Based on BIOS (version 3.14-1.06) T500/W500 BIOS and contained the following whitelist table.

 

 Intel Corporation PRO/Wireless 5350 AGN [Echo Peak] Network Connection

 Intel Corporation WiMAX/WiFi Link 5150

 Intel Corporation Ultimate N WiFi Link 5300

 Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection

 Atheros AR5007EG

 Realtek RTL8191SEvB

 Intel Corporation Centrino Wireless-N 1000

 

Your T400 is from the same lineup and probably has the same list. Remember, you'll need to purchase a Lenovo branded unit.

 

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