[Solved] No Bootable Device Insert Boot Disk and Press Any Key Error

Problem: Unable to bootup laptop, show “No Bootable Device — Insert Boot Disk and Press Any Key” error.

Content Summary

Solution 1: Change the Boot Mode to UEFI
Solution 2: Take Out CMOS battery to reset settings to factory defaults
Solution 3: Reset the Boot Manager via Command Prompt

Solution 1: Change the Boot Mode to UEFI

Step 1: Shut down computer.

Step 2: Start computer and enter BIOS by pressing BIOS key (F1, F2, Del, Esc and F10) while the system boots.

Step 3: Locate Boot Mode option and change its value to UEFI.

Step 4: Exit and choose to Exit Saving Changes.

Solution 2: Take Out CMOS battery to reset settings to factory defaults

Solution 3: Reset the Boot Manager via Command Prompt

Step 1: Download MediaCreationTool.exe from Microsoft’s website.

Step 2: Open the downloaded file to start the installation.

Step 3: Tap Accept to agree on terms and conditions set by Microsoft.

Step 4: Select the Create installation media (USB flash drive, DVD, or ISO file) for another PC option from the initial screen.

Step 5: The language, architecture and edition of the bootable drive will be chosen based on computer’s settings, uncheck the Use the recommended options for this PC in order to select the correct settings for the PC which is encountering the error.

Step 6: Click Next and click on the USB drive or DVD option when prompted to choose between USB or DVD, depending on which device you want to use to store this image on.

Step 7: Click Next and choose the required drive from the list which will show the storage media connected to computer.

Step 8: Click Next and the Media Creation Tool will proceed to download the files necessary to install create the installation device.

Step 9: Insert the installation drive you own and boot computer.
For Windows XP, Vista, 7: Windows Setup should open for you to enter preferred language, time and date settings. Then choose Repair your computer option at the bottom of the window. Keep the initial radio button selected when prompted with Use recovery tools or Restore your computer and click on the Next option. Choose Command Prompt when prompted with the Choose a recovery tool selection.
For Windows 8, 8.1, 10: Choose your keyboard layout window after that Choose an option screen will appear so navigate to Troubleshoot > Advanced Options > Command Prompt.

Step 10: Enter command bootrec.exe /FixMbr

Step 11: Boot into computer without the recovery drive and check to see if the error still persists.