Pierre,

Pierre Neidhardt 写道：
> Since I've reconfigured my system some weeks ago, I've noticed a 
> change
> with my laptop: when the power cable is in, closing the lid no 
> longer
> suspends the machine.

Interesting that it ever did: according to the manual (and AFAIK) 
the default ‘handle-lid-switch-external-power’ action is ‘ignore’. 
Do you change it to ‘suspend’ in your system configuration?

Were/are you using some fancy desktop environment or power 
management scripts that might override the default?

Kind regards,

T G-R