Hello,
my dell vostro1510,screen is lock and onebutton is blinking in blue light at the top.i tryed evrything ,pressing menu button,fuction key etc.plz tell me the exact way to unlock my screen
What do you mean your screen is locked? It shows "computer is locked" or is it blank? Is it in sleep mode? Did you try the power button? You can hold in the power button for a few seconds and it should shut off the computer totally if just hitting it does not wake it up.