If you do have another drive that can boot Windows 7, you can use the Disk Management tool to build a new system partition on your existing SATA drive. You have to shrink the existing partition, and create a new partition. Then you can copy the boot files to the new partition using bcdboot.
An APU is an auxiliary power unit. On-board APUs are small jet turboshaft engines that are started to provide electrical and hydraulic power to the aircraft when needed during periods when the engines aren't running. Some aircraft are designed...
The term APU stands for Accelerated Processing Unit. At the moment, this is a term that only AMD is using for its products. Intelâs recently released update to its processors also qualifies as an APU; Intel simply seems unwilling to use the definition.