Solved How do I make a Win7 hard drive NOT bootable?

I was able to reassign 'E' to the correct partition. I'm am currently zeroing the 3 partitions, looks like it will take awhile. I would still need to reformat after this, right? I would prefer one big partition on the entire disk unless there is a disadvantage to that.
 

My Computer My Computer

At a glance

Win7-64 (Pro)Intel i7-2600K (3.40 GHz)16 GbNVIDIA Quadro 4000
OS
Win7-64 (Pro)
CPU
Intel i7-2600K (3.40 GHz)
Motherboard
Intel Z77GA70K
Memory
16 Gb
Graphics Card(s)
NVIDIA Quadro 4000
Sound Card
Focusrite Saffire Pro40
Looks like I'm all set. Reformatted and everything looks normal.
Thanks for everyone's help!
 

My Computer My Computer

At a glance

Win7-64 (Pro)Intel i7-2600K (3.40 GHz)16 GbNVIDIA Quadro 4000
OS
Win7-64 (Pro)
CPU
Intel i7-2600K (3.40 GHz)
Motherboard
Intel Z77GA70K
Memory
16 Gb
Graphics Card(s)
NVIDIA Quadro 4000
Sound Card
Focusrite Saffire Pro40
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