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Power-saving energy plan issue, savings not work, cant find C-state option in bios..s.1150

HP Recommended
Microsoft Windows 10 (64-bit)

Hello all,

I have some issue with few HP desktop PC on s.1150...Power saving option in Windows does not work, no c-state enable/disable in bios. All power-saving options in the BIOS are enabled, and the PC does not reduce power consumption with idle when the power saving is turned on in Windows10/8.1.... C-state is always C2, does not change to C3/C6 etc. On other Dell with the same hardware everything working fine... when I switch energy saving power plan PC get 12W from 20W when is balanced mode power plan turned on, with HP always when idle get about 20-22W. Do you have any idea how to switch, force other C-state like C3/C6 and enable power saving with other C state than C2?


Many thanks

& BR Marek

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