The “no bootable device found” error can occur when a computer is unable to locate the operating system or bootloader on the hard drive or other bootable media. There are several possible causes for this error, including:
Corrupted boot sector or bootloader: The boot sector and bootloader are essential for the computer to start up and load the operating system. If these files become corrupt, the computer may be unable to locate them and will display the “no bootable device found” error.
Incorrect boot order: The computer’s BIOS or UEFI settings may be set to boot from a device that is not present or is not bootable. This can cause the “no bootable device found” error to appear.
Damaged or disconnected hard drive: If the hard drive is damaged or disconnected, the computer may be unable to access the operating system and will display the “no bootable device found” error.
To troubleshoot and resolve the “no bootable device found” error, you can try the following steps:
Check the boot order in the BIOS or UEFI settings: Make sure that the computer is set to boot from the correct device, such as the hard drive or a bootable USB drive.
Check the hard drive and connections: Make sure that the hard drive is properly connected and functioning. You may need to use a diagnostic tool to check the health of the hard drive.
Rebuild the boot sector or bootloader: You can use a bootable USB or DVD to boot into a repair environment and rebuild the boot sector or bootloader.
Replace the hard drive: If the hard drive is damaged or faulty, you may need to replace it in order to resolve the “no bootable device found” error.
It is also a good idea to create a bootable USB or DVD with a system repair environment in case you encounter this error in the future. This can help you troubleshoot and resolve the issue more quickly.