Computer help: windows vista activation

windows vista activation

Hello,Iwould like to thanks for all that message to send to me.I need your help.Ibuy a new laptop 2 months ago with preinstall VISTA HOME 32bit,PREMIUM,I forget to making activation.My laptop is HP COMPAQ-PRESARIO C Q60-160EV.I was trying many times to making a repair to a factory use,but nothing.Now asking to me to buy new vista because the product key of the bottom of the laptop is invalid,how can i fixed IT? ?I have't any cd-dvd to making a boot,and I am a newbie in vista.I try with the phone all the same ,i call MICROSOFT HELLAS AND THEY TOLD ME THE 1 MONTH PERIOD has expired and they did;t obligated to give me a key.Imaking many phone calls to HP HELLASand they told me If they found any key they send to me but not now because they haven't.What can i do ?Ican;t start -up vista but a month ago I could.