Hi i bought a computer from a manufactor called tiny. Its worked fine for about a year but when i went to clean it out i unpluged a hard drive, i pluged it back in shut the case, then when i booted up it was saying i need to register windows. So i registered it. Now my computers cpu fan sounds like its spining at full rpm all the time. So i tryed to use a restore disk i got with my computer but it says this software is licenced to your computer, unable to deturm bios lock. How can i change my bios back so i can restore my computer. And what would be making the cpu fan spinning so fast?. Thanks in advance if you can help me.