Sorry for three posts in a row...but are you familiar with booting to a Macrium rescue disc and running the repair boot options? I use that many times when there is a messed up MBR or when cloning a drive to a new drive and the clone won't boot.
My Computer
At a glance
Win 7 Home Premium x64AMD Phenom II X4 955 Black Edition Deneb Quad...20GB G.SKILL Ripjaws DDR3 1600 (PC3 12800)SAPPHIRE Radeon HD 5750 (1GB)
Computer type
PC/Desktop
Computer Manufacturer/Model Number
Specced Out
OS
Win 7 Home Premium x64
CPU
AMD Phenom II X4 955 Black Edition Deneb Quad-Core 3.2GHz
Motherboard
ASUSTeK Computer INC. M4A77TD
Memory
20GB G.SKILL Ripjaws DDR3 1600 (PC3 12800)
Graphics Card(s)
SAPPHIRE Radeon HD 5750 (1GB)
Sound Card
Sound Blaster Audigy
Monitor(s) Displays
Dual Monitors
Hard Drives
128GB OCZ Vertex 3 SSD
1TB Hitachi HDS721010CLA332
1TB Western Digital WD1001FALS
3TB Toshiba DT01ACA300
3x1TB External Seagate