T61: Updated Power Management from 3.11a to 3.12, lost switchable graphics?

With 3.11a installed, I could select between energy saving or high performance with the battery meter on the taskbar. I just updated and now the option is no longer there. What happened?
T61 6459-CTO, Intel C2D (Merom) T7500 @ 2.2GHz, 4GB DDR2, Win7x64Pro

Hi,
I'm a bit confused. So your system does not support Switchable graphics but you want to use it.
Sorry really not sure about this.
I have a T400 with Vista for testing and I can see this option in BIOS and also in OS. So this is the propper work.
For your situation I'm really not sure, what you mean exactly.
I would appreciate a description, if possible. 
Sorry , but I just don't get it, what you are looking for
Cheers

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