Windows 7: no available partition

Kalispera, sugnwmi gia ta greeklish, apla den exw prospathisei na brw tin allagi glwssas sat linux.

Prin apo liges imeres apofasisa na kanw install me dual boot to backtrack 5r3 mazi me ta windows 7. I egkatastasi itan epituxis(Backtrack 5) einai to twrino mou leitourgiko, alla to thema einai oti katalathos ekana overwrite to backtrack se ena diamerisma(partition) pou perieixe kapoioes plirofories twn windows me apotelesma na diagraftoun. To provlima omws den einai auto, alla to oti otan bazw to bootable usb gia na ta egkatastisw stin epilogi twn diamerismatwn den mou dinei kamia epilogi. exete kamia idea pou tha mporouse na voithisei?Zitaw kai pali sugnwmi gia ta greeklish