Former basketball player Kobe Bryant and four others have died in a helicopter crash in California Kobe Bryant: Retired NBA legend killed in helicopter crash

Hi i have a dell latitude E6510 and every time i reboot the laptop it shuts down and wont reboot ,i have to press power button to start up again . i have tried the power options but still the same , does anyone have any ideas please ps running win7 64bit never had this prob. before thanx again