I wish I can have a new Laptop or Desktops!!!!

Recently my laptop is damn slow.. I also don't know why it slow like that.. Even I formatted it again and again, but still run very slow.. Is it the time I change another one??

but my father sure scold me one.. Can anyone tell me what to do??

If want buy then I should buy laptop or desktop??? which brand??? which model???

Haiz... have to go back work for the 2 months holiday on May until July.. work hard for my new laptop or desktop... T.T