No bootable device apppear in sccreen

Leonardo Disacula  you will get the No bootable device  message whenever your computer cannot find the OS. Most common issue would be a failed HDD or failed OS install. Enter the BIOS on your computer and see if it finds the HDD. If it does than the issue is most likely related to the OS. If it does not, it is possible that this is a HDD issue. Of course you can also use a LINUX distro either on CD or thumb drive as long as they are bootable. Once your computer boots into those you could try and “explore” to see if your HDD is still accessible. Ultimately I’d get ready to replace the HDD. Check something like this video for the How-to. Since we do not have a guide for your model consider documenting how your repair yours and create a guide for the rest of us https://www.ifixit.com/Guide/new