My new digital camara

when I turn my camara on the lens trys to come out and focus but then it makes a silly noise and turns its self off. It will let me view the pictures I have saved in my memory card though

i have a sony cyber shot 10.1 camara the lens will not come out and let me take pictures it makes a noise then tells me to shut off the camara i can view pictures that i have already taken but am unable to take any please help