Please post back a screenshot of your maximized Disk Management drive map and listings:
1. Type Disk Management in Start Search box.
2. Open Disk Mgmt. window and maximize it.
3. Type Snipping Tool in Start Search box.
4. Open Snipping Tool, choose Rectangular Snip, draw a box around full map and all listings.
5, Save Snip, attach using paper clip in Reply Box.
Tell us what is on each partition.
It's possible the backup crapware added a boot item for a backup capsule. Comb through Control Panel>Programs and Features closely to Uninstall any software you don't use or didn't intend to install. Remove any boot listings using the methods given in the last two posts.