I had enabled the UEFI and AHCI in my system bios under firmware. My system is equipped with Intel DP55WB motherboard and I want to install Windows 7 Pro 64 bit operating system in that. I got a manual for this which states that it is necessary to enable this two stuff before installing. But after full installation I found that the power management is not loaded up. Lots of things are also not shown in cpuz. What does this UEFI stands for. Is it some kind of driver. What if I disable this.
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