booting into windows problem

[Yoloassswag]

i intalled yumi to my pc and i have a hard drive with 1tb storage on computer it says i have to disks so i guess ones a partition well i installed zeron with yumi to my disk where windows is not install (its just personal files) so i did that stayed on my pc a bit then i restarted my pc to go into linux all good then i restarted to go back into windows i went on the one where it says default and then it says boot: like is bios and then it woulden't boot into windows so i went back in to linux and it said all the windows files where there but i can't boot into windows
can any one help ?

 

[Chicano]

The Linux installation probably corrupted the Windows bootloader... use a Windows 7 install DVD/USB to perform a Startup Repair. Read the instructions in this guide.
http://pcsupport.about.com/od/toolsofthetrade/ss/windows-7-startup-repair.htm