To uninstall Linux Mint from a Windows 7 dual boot is very simple using EasyBCD program.
1. You’ll need to download and install EasyBCD.
2. Once installed run the program and click on BCD deployment from the left menu.
3. Make sure under MBR Configuration that the radio button for the appropriate Operating system is checked.
4. Then click on Write MBR. when finished close the program and re-claim your partitions.