when i switch on the power switch turns red then turns off the fans go on then switch of i can open the disk draw then it switches off i removed the case which took about 4 hours to figure out i swapped the battery changed the power lead and removed a ball of fluff the size of loaf of bread can some one please help it has run out of warrenty and i cant afford to take it to the tech guys who want £60 to tell me what is wrong with it thanks jason