Hi there elementary os users, admin, etc. I was installed elementary os 5.0 juno and dualboot it with windows 8.1. I installed it with manual partition and install grub bootloader for elementary os in /dev/sda while my windows boot loader is in /dev/sda2. But i tried install bootloader for elementary os in /dev/sda2 but its fail. Then the installation begin and done. I can boot into elementary os but when i boot into windows it's shows only black screen. Help me.