Surface turns on and shows "Couldn't find a bootable operating system"
Check the Boot Configuration to try to fix this. On older devices, the Surface turns on and displays a drive icon with an X in the top right corner. When you turn on your Surface, it boots to UEFI (Unified Extensible Firmware Interface). If you see this, try the following steps for a possible solution. Check the configuration of your device:
"Boot failed" error message when you start a UEFI-enabled computer from ...
Fixes an issue in the Cdboot.efi, Cdboot_noprompt.efi, Efisys.bin, and Efisys_noprompt.bin files that causes a "Boot failed" error message. This issue occurs when you start a UEFI-enabled computer from the installation DVD of a 64-bit version of Windows 7 or Windows Server 2008 R2.
“We couldn’t update system reserved partition” error installing Windows ...
To upgrade your device, you'll need to free up 15MB of space on the SRP using the appropriate method below, and then try the upgrade again. If you're updating Windows 10, you need to free up 13MB. Press the Windows key + R. In the Run window that comes up, type diskmgmt.msc and press Enter.
Boot Surface from a USB device - Microsoft Support
For info about how to create a bootable USB drive for your Surface, see Creating and using a USB recovery drive for Surface. To download a recovery image for your Surface device, see Surface Recovery Image Download for next steps. Make this Surface start from a USB drive. For all Surface models.
Recovery Drive - Microsoft Support
Start your device from the USB drive that was created with Recovery Drive. The process to boot from a USB drive may vary by manufacturer, so refer to your device's manual if needed. Create a recovery drive to reinstall Windows in case you experience a major issue such as hardware failure.
Enable Virtualization on Windows - Microsoft Support
Learn how to enable virtualization through the UEFI (or BIOS) of your PC to run the Windows Subsystem for Android or Windows Subsystem for Linux.
A driver can't load on this device - Microsoft Support
Find out the steps you can take if you receive a message telling you a driver can't load on your device.
Reinstall Windows with the installation media - Microsoft Support
By booting from the installation media and selecting the appropriate recovery options, you can restore your system to a stable state without the need for a complete wipe. In cases where a fresh start is required, the installation media can be used for a new installation of Windows.
Update Your Security Processor (TPM) Firmware - Microsoft Support
Learn how to update your security processor or TPM firmware to protect Windows 10 and your device from attacks by malicious software.
Perform an offline system update | Xbox Support
Learn how to update your Xbox console offline.