akos.maroy posted a bug on launchpad for the 2nd Gen Envy 15 users who can't shutdown or suspend their system:
https://bugs.launchpad.net/ubuntu/+s...ux/+bug/557072

If you suffer from this bug, please say so on the launchpad bug report.

@akos.maroy
Do you mind editing your first post to put a link to your bug report?