Need UEFI Boot Device
You normally cannot install UEFI from a DVD/CD-ROM drive or with the Windows DVD. If you Google around you will find how to make a special Windows UEFI install USB thumb drive. Set your BIOS to only UEFI. Unless you see a boot device with name starting "UEFI" you are...
I have a i5-3570K and CM Hyper 212 as well. Which CPU temperature? If I run CoreTemp I get 31C idle and 88C max at 4.12 GHz full load. Well under the max Tj of 105C. This is using IntelBurn V2 at very high stress level. If run the ASUS AI Suite utility it reports a much lower CPU temp.
The best way is to boot to DOS and use the AFxxxU.exe utility from the ASUS site. If you have floppy make a boot disk. I like to use a NTFS4DOS boot CD and run off the C: hard drive.
You can fix with SPIPGM2.EXE
I had bad flash on my ASUS P5B motherboard. Like an idiot I tried to use ASUS Update in Windows and it went bad. I was able to fix by loading the BIOS through the motherboard's SPI connector. I just made a video showing how to fix. I uploaded SPIPGM2.exe to files...