my macbookpro 2013 is showing a flashing question mark sign! I tried to reboot it by pressing command R keys bt it is of no help instead of showing disk utilities it starts showing internet recovery which is of no help!

I would recommend that you have a technician look at your Mac. There is probably a problem with the hard drive or the operating system that is installed on it.

Howard

I can help you a little bit...that flashing question mark means it can't find a valid hard drive to boot up from. if you hold down the option key on boot up, it'll show you all potentially bootable drives (which doesn't help you much, I'm sure), so....press cloverleaf and R to get to the recovery partition on bootup, not option, Cloverleaf and R which would get you Internet Recovery. if you have managed to boot up the recovery partition, go to OS X tools and run disk utility

if that doesn't work, your hard drive might be toast, sad to say. I hope I'm wrong on this one, though......'

JB