Okay i went to reformat my pc so i stuck in my windows 7 disk but when i click on my main harddrive it wont let me click next and it says windows cannot be installed to disk 1 partition 2 and says same for partition 1 aswell but partition 2 is were windows is installed and used as main harddrive so i click show details and it says... windows cannot be installed to this disk. The selected disk has an mbr partition table. On efi systems, windows can only be installed to gpt disk. And it says that for partition 1 aswell also if i click repair to try get back onto my pc it says "this version of system recovery option is not conpatible with the version of windows you are trying to repair. Try using a recovery disk that is compatible with this version of windowa" im using windows 7 and i put in the same winxows 7 disk :S so i cant even get back onto my computer like the desktop only bios and this :s what do i do