Shut down issues

[amd 64 x2 overclocked]

Hello i have reflashed my bios and now it just hangs on shut down, it probably doesn't support acpi? is there any way around this.

[CapnGimp]

flash it back to the old one.

[amd 64 x2 overclocked]

Why would I do that? the whole reason behind updating the bios is just that. I installed a new cpu and i had to reflash.