this started popping up about a week ago. then after a few restarts my computer said repairing disk errors like a week ago then my computer was working normally. after a couple days the computer just went back to sayign reboot and select proper device. i need help on what to do. can you guys please help me. a lot of forums say "Change the boot order and list your computer’s HDD first" but i have NO idea what the means. im not a computer genius so excuse me if i said anything wrong i need help quick . thank you. my pc is DELL with windows 8 pre installed on it