Insert the Windows installation DVD into your computer and boot from it. So if it is set as inactive by mistake, the 'no boot device found' issue will be triggered. It needs to be set as active for an OS boot success. The partition where the operating system is installed is called as primary partition. And move your system hard drive to the top of the boot order list. Access the 'Boot' tab using the right arrow keys on your keyboard. Restart your computer and press a specific key (Del, F2, F10…) to enter BIOS setup. So make sure your system hard drive is in the first place of the boot order. Check boot orderĪn incorrect boot order could mislead your computer to boot from an unbootable hard drive, then the 'no bootable device found' will occur. If this does not work for your situation, proceed to the next method. That can help check whether the BIOS did not detect the system hard drive due to loose connection and led to 'no bootable device' issue.

Remove and connect back all hardware componentsĪt first, you can completely power off your computer, remove all hardware devices, then put them back all properly. Remove and connect back all hardware components Now, you can try the below-listed methods to check if the 'no bootable device found' problem can be fixed. How to fix no bootable device on Windows 11/10/8/7? ▶Computer's boot hard disk MBR sector is damaged.

▶ Internal hard disk is corrupted due to disk errors/bad sectors. Here are some major reasons you can take a look at. How to fix no bootable device issue properly on Windows computer? First, let's find out the possible causes of this problem. It means BIOS cannot find or locate the boot device or the boot files on the boot device are not incorrect. The “no bootable device found” error is actually reported by BIOS. BIOS is a program in computers used to load the operating system and execute the boot operation. What does it mean by 'no bootable device'?Ī bootable device is a kind of storage hardware, such as hard drive, USB flash drive floppy disk drive, DVD, CD-ROM drive, which contains necessary boot files and drivers for loading the operating system.

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