|"says drivers 0 not found"|
Actually it probably says "Drive", not Drivers.
This typically means the hard drive has either become disconnected or it has failed and you need a new hard drive.
First check inside the system box to make sure the two cables which plug into the back of the drive are firmly attached, and that the SATA cable is firmly plugged into the motherboard's SATA port.
If all cables are properly connected and still you get the same boot error, the hard drive has failed and needs replacing with a new one.