Wireless LAN 11b/g/n driver is unable work on Lenovo Thinkpad T400 laptop with XP SP3 installed. This problem comes after the one user downgrade Vista to XP. Actually all of job seems working well since wiped out the preloaded Vista, loaded XP SP3 by himself, then downloaded and installed all drivers for XP. These all drivers are work properly on T400 laptop except the Network Controller for the Wireless LAN 11b/g/n Mini-PCI Express Adapter II”.

First thing you need to know before trying to find WLAN 11b/g/n driverfor XP SP3 is, seems that driver disappeared now, along with the older 11b/g option. So what you need to have is a brand new card for the Lenovo Thinkpad systems.

Here are the download links of ThinkPad 11b/g/n Wireless LAN Mini-PCI Express Adapter II
Download WLAN 11b/g/n for XP

Download WLAN 11b/g/n for Vista

In case you are using Access Connections on your ThinkPad T400, you need v5.30 or higher to support the new card, here are the download
links you can get:

Download driver for XP

Download driver for Vista

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This driver article has been posted on Sunday, June 21st, 2009 at 1:04 am and is categorized on Lenovo Laptop. You may follow any responses to this driver tutorial through the RSS 2.0 feed. You may leave a response, or trackback from your blog sites.