@ndi and @anapospastos:
As I said before, you must do the deinstallation of kernel-power as described in the link I provided before you can reinstall the kernel-power packages. Or, IOW, reinstalling the kernel-power stuff will fail unless deinstallation is done first. I can't be much clearer than that.

To check what kernel is actually running, open a terminal (no need to become root) and type:
uname -r
Hit enter. It will probably return:
2.6.28.10-omap1
...which means you are running the stock kernel. If the power37 kernel is running it will say:
2.6.28.10power37-omap1
If you want more details, use uname -rv ('v' for verbose).

And don't forget reinstall 'kernel-power settings' also or 'kernel-config' commands will not work. If you had custom profiles that you saved those will not be touched by either the RP1.3 upgrade or kernel deinstallation. So when you get the kernel-power stuff reinstalled successfully you can use them just as before.