New Post: GPU Acceleration questions

I can't get the gpu acceleration to work. Here's what I'm doing:

• Using the new beta version, just downloaded today
• Hardware acceleration is checked; log files show " --> Auto Enable Hardware Encoding : True"
• Edited profile to put Handbrake in first priority position
• Installed GPU supports OpenCL 1.2 - (AMD Radeon HD 7750)
  

I see no improvement in processing times, conversion still uses near 100% of all eight CPU cores, and I see no indication in the log files of gpu hardware usage.

Am I missing some hardware/software requirement or some configuration/setting?