no boot device press any key to reboot

lbliss

Estimable
May 28, 2015
1
0
4,510
I have a black screen and it tells me no boot device and to press any key to reboot. But when I press any key, it tries to reboot and then goes back to the same black screen. What do I need to do? I have a dell computer and I just got it for Christmas.
 
Go into your bios, locate the sata configuration press enter and set it to AHCI mode
Go to the boot tab and set your hard drive to the first boot device (using the - or + keys)