Satellite C655 troubles

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iceMan
Desconectado
Joined: 10/22/2010

I have a Toshiba Satellite C655 laptop and everything is mostly working fine except I only see one of my two cores. The computer has a T4500 dual core processor. I have the grub configured with:
acpi=off
If i don't do this the computer does not shut down properly and the wireless card in not recognized. If i use the following line in my grub instead I see both cores and the wireless card works, but the computer does not shutdown properly
pci=noacpi
Any thoughts on how to get the best of both worlds?

iceMan
Desconectado
Joined: 10/22/2010

UPDATE:
The best I could do is replace
acpi=off
with
acpi=ht
Which gives me both cores and wireless, but lets me shutdown and restart just the same as when acpi=off which is almost normal.