802.11n wireless mode is disabled on ThinkPad X1 Carbon (Type 34xx) and ThinkPad Helix with Microsoft Windows 8



The 802.11n wireless mode is disabled on ThinkPad X1 Carbon (Type 34xx) and ThinkPad Helix with Microsoft Windows 8, therefore, the wireless card will not connect to 802.11n access points in 11n mode.  Connecting to an access point that does not support 11n is not affected.


Affected Configurations

The above symptom is associated with, but not limited to, the following systems:

  • ThinkPad

Affected systems:

  • X1 Carbon (Type 34xx)
  • Helix
  • X1 Helix
  • X1 Helix 3G

System is configured with:

  • Intel Centrino Advanced-N 6205S

Operating Systems

  • Microsoft Windows 8


Users are able to configure and use Wi-Fi.  However, the performance will be limited to 11a or 11g mode depending on the access point setting.



The user should enable the 802.11n wireless mode from Device Manager as shown below.


Lenovo, ThinkServer, ThinkCentre, ThinkStation, and ThinkPad are trademarks of the Lenovo Corporation in the United States, other countries, or both.

Microsoft, Windows, and the Windows logo are trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries.

If you are unable to find what you are looking for, please do try the following options:
1. Lenovo Assisted Search
2. Product usage and general troubleshooting tips
3. Lenovo Support Forum
4. Technical Support Call Centre

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Alias ID : SF13-T0071
Document ID : HT078048
Legacy Document ID : SF13-T0071
Last Updated :
Copyright © Lenovo 2013, all rights reserved
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