How to fix no boot device available error on PC or Laptop

Solution 1 – Run Automatic repair

1. Place the Windows 8 or Windows 10 DVD and reboot the Windows operating system.
   Note: If you can’t boot from the Windows DVD then you will have to go in the BIOS options of your device and be sure you have the option to boot from the CD/DVD selected and enabled.
2. After your system boots you’ll get to a Windows setup page. Click the Next button to proceed.
3. Left click or tap on the Repair your computer option in the next window.
4. Now choose Troubleshoot > Advanced options button > Automatic repair button.
5. Select the Windows 8 or Windows 10 operating system you wish to repair.
6. Let the automatic repair process run and after it is finished reboot again without the Windows 8 or Windows 10 DVD and check if you still get the No boot device availablemessage.

Fix 2. Check boot order and reset BIOS settings to default

To ensure that you boot from right bootable hard drive, you can press certain key to enter BIOS interface while restarting to check boot order. If the disk that you boot computer from is not the right one, press “+” or “-” to set the bootable hard drive as the first in boot order. After that, save changes and restart computer to see whether the error disappears. If the error still exists, try to reset BIOS to default settings by steps given below:

1. Turn off your computer and wait for a while.

2. Restart the computer and press certain key to enter BIOS Setup menu.Different Keys Need To Click Like F12, F11, F9, F2…

3. On the BISO Setup interface, press certain key to select and load the BIOS Setup Default settings.

4. Save changes exit and follow the prompt to restart computer.

PS.: If you are unsure about the key to enter BIOS, you can refer to the user manual of your computer.

 3. Run Bootrec commands with Windows installation disc

If Startup Repair cannot solve the error, you can try to run Bootrec commands to fix MBR and boot sector within the following steps:

1. Boot computer from Windows installation disc and choose “Command Prompt” in the System Recovery Options window.

2. In Command Prompt window, input command lines below and press Enter after each.

• bootrec /fixmbr
• bootrec /fixboot
• bootrec /scanos
• bootrec /rebuildbcd

3. Exit from Command Prompt interface and restart your computer.

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