(Or use Diskgenius usb bootable edition)Ģ, Check how many active partitions are there on the disks. You can take your disk out and insert in on another computer. This may happen due to your using of Disk Management or other disk mange software to adjust the disk partitions before the error happens, the problem may exist on your hard disk.ġ. If there is more than 1 active partition that boots the system, then Windows does not know which one to boot. Fix no boot device available error due to active partition error. Wait for a while, after this process, restart your computer. Step3: click “click Automatic Repair or Startup Repair” in the advanced options. Step2: click “Troubleshoot”, and enter “Advanced options”. Click the “Repair your computer” on the left corner of computer screen. Step1: Insert the Widows 10 bootable installation DVD. The second tool you can try is Troubleshoot.

3.Fix “no boot device” error with Troubleshoot Step2: Make sure the “SATA-0”, “SATA-1”, “SATA-2” all on, if there are off, computer cannot find the boot drive. 2.Fix no boot device available by resetting the BIOS configuration when “no boot device available”happens, it often means you set a wrong boot disk. Generally, your computer will operate well beyond any of your expectations. Highlight 'Hard Disk Boot Priority' area simply check or reset your bootable hard disk on top of the boot device list. Click 'BIOS Setup Utility' option bar and select 'Advanced BIOS Features'. Step 1: Turn on your computer and press 'F2' button to switch to BIOS mode. Check or reset the boot order on your PC.įirst, you can check or reset the boot order on your computer system, steps are as follows: How to fix no boot device available error 1. How to fix Computer No Boot Device Available Error Problem?

Causes of Computer No Boot Device Available Error.

What happened when your computer says No Boot Device Available?.

Run antivirus software or format your hard disk to clear the virus.

Check or restore MBR sector from your boot hard disk.

Check, Repair or Reinstall Computer Operating System.

Fix no boot device available error due to active partition error(tested).

Fix “no boot device” error with Troubleshoot.

Fix no boot device available by resetting the BIOS configuration.

Check or reset the boot order on your PC.

How to fix Computer No Boot Device Available Error Problem?.

What does fatal error mean on computer