Question laptop wont start

[osama diab]

Hi
so i got a HP pavilion 15 notebook laptop and when i turn it on my HDD indicator start flashing as usual and i can hear it spinning(if i move my ears close to it) when the hp logo show the indicator
turn off and i get a message asks me to insert a boot disk and press any key
a photo of what come on screen

 

[hang-the-9]

Go to your BIOS and make sure the drive is seen there. Check the drive mode, it should be set to AHCI for most systems.