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Lenovo Power Management Driver for Windows 8.1 (32-bit, 64-bit) - ThinkPad

Operating System
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Lenovo Power Management Driver
1.5 MB
Windows 8.1 (32-bit)
Windows 8.1 (64-bit)
README for Lenovo Power Management Driver
34.7 KB
Windows 8.1 (32-bit)
Windows 8.1 (64-bit)

Note for ThinkPad X1 Carbon users:
This document supports X1 Carbon with the following Machine Type:

  • 3443, 3444, 3446, 3448, 3460, 3462, 3463
  • 20A7, 20A8
  • 20BS, 20BT
To find your X1 Carbon Type, please click here for more details.

With this package installed, Power Management Driver supports power management on Lenovo computers.

For Windows XP package, click here
For Windows Vista package, click here
For Windows 7 package, click here
For Windows 8 package, click here

Supported ThinkPad Systems
  • ThinkPad 8, 10
  • ThinkPad 11e (Machine types: 20D9, 20DA)
  • ThinkPad Helix (Machine types: 369x, 370x)
  • ThinkPad Helix (Machine types: 20CG, 20CH)
  • ThinkPad L430
  • ThinkPad L530
  • ThinkPad S1 Yoga
  • ThinkPad S3-S431
  • ThinkPad S5-S531
  • ThinkPad S430, S431
  • ThinkPad S531
  • ThinkPad T430, T430i, T430s, T430si, T430u, T431s, T440, T440p, T440s
  • ThinkPad T530, T530i, T540p, T550
  • ThinkPad Tablet 2
  • ThinkPad Twist S230u
  • ThinkPad W530, W540, W541, W541, W550s
  • ThinkPad X1 Carbon (Machine types: 34xx)
  • ThinkPad X1 Carbon (Machine types: 20A7, 20A8)
  • ThinkPad X1 Carbon (Machine types: 20BS, 20BT)
  • ThinkPad X120e, X131e
  • ThinkPad X230, X230i, X230 Tablet, X230i Tablet, X230s, X240, X240s, X250
  • ThinkPad Yoga 11e (Type 20D9, 20DA) , Yoga 15
Supported Operating Systems
  • Microsoft Windows 8.1 32-bit, 64-bit
Summary of Changes


  • [Important] Important update
  • (New) New function or enhancement
  • (Fix) Correction to existing function


  • (New) Specified the machine types (20D9, 20DA) for ThinkPad 11e,Yoga 11e.
  • (New) Added support for ThinkPad X250.
  • (New) Added support for ThinkPad T550,W541,W550s.
  • (New) Added support for ThinkPad X1 Carbon (Machine types: 20BS, 20BT).
  • (New) Added support for ThinkPad S5 Yoga 15.
  • (Fix) Fixed an issue where the following models failed to be booted after updating this software. 
    • ThinkPad X41 Tablet, X60 Tablet, X200 Tablet, X201 Tablet, X220 Tablet, X220i Tablet, X230 Tablet, X230i Tablet, ThinkPad Yoga 11e (Type 20D9, 20DA)
Additional Information

Please refer to the README file for the following:

  • Installation Instructions
  • Determining Which Version is Installed
  • Complete list of summary of changes
  • Known limitations (if any)


  • Alias ID: MIGR-4GXPEG
  • Document ID:DS032258
  • Last Updated :07 Apr 2015
  • (c) 2015 Lenovo