So, after I decided I liked the Windows Shake, I tried the Windows Peek. It is another feature of Windows 7 that lets all windows go transparent so you can peek at the background. Well, I had broken that too.

Again, back to Control panel, System Performance Information and Tools, then Adjust Visual Effects (Same as done when I fixed Shake) .

Then I narrowed it down to these settings need to be enabled for Peek:

Performance Options Windows Peek

Here are examples of what it looks like when enabled:

Normal Screen

Windows Peek Normal Screen

Windows Peek Enabled

Windows Peek Enabled Screen