Computer problem. 1, When i turn on my computer it comes up to press F1?? please tell me how i can

Question

1, When i turn on my computer it comes up to press F1?? please tell me how i can fix it please.

2, i lost all my photo's? but they are still on the computer but they are cracked for some reason and i have not got any copy of them anywhere else so please help.

so i would be very greatful if you can help me with this