Are you able to remain booted into Windows 7 as it wasn't clear from your first post?
If so install and run a full scan with Malwarebytes,
in Safe Mode if necessary.
Then post back a screenshot of your maximized Disk Mgmt drive map with listings, using Snipping Tool in Start Menu so we can see your config and which partition is Active before running Startup Repair - Run 3 Separate Times
to fully sort and if necessary repair anything with your boot.
There are other Troubleshooting Steps for Windows 7
here if you can stay booted.
If not start with Step 1 and work through Troubleshooting Windows 7 Failure to Boot