Some output.
---------------------------------------------------
Xfce power manager version 1.4.3
With policykit support
With network manager support
---------------------------------------------------
Can suspend: True
Can hibernate: False
Authorized to suspend: True
Authorized to hibernate: False
Authorized to shutdown: True
Has battery: True
Has brightness panel: True
Has power button: True
Has hibernate button: True
Has sleep button: True
Has LID: True
I had the same error with a laptop.
Some output. ------- ------- ------- ------- ------- ------- -- ------- ------- ------- ------- ------- ------- --
-------
Xfce power manager version 1.4.3
With policykit support
With network manager support
-------
Can suspend: True
Can hibernate: False
Authorized to suspend: True
Authorized to hibernate: False
Authorized to shutdown: True
Has battery: True
Has brightness panel: True
Has power button: True
Has hibernate button: True
Has sleep button: True
Has LID: True