Wrong cory,

  • Installed on your PC? - Sucess
  • Installed on Friends PC? - Success.
  • Took out your hard drive and placed on your friends system? - Success

After the complete installation not working in my system, when i take out the Hd and listen carefully I DONT RE-INSTALL ON MY FRIEND'S PC. I just inserd it as master Hd and let it boot up, works fine there the 7 boots just fine and one more thing now i installed xp it boots up fine in my board

I dont know how to flash BIOS could you guide me through that