Surface turns on and shows "Couldn't find a bootable operating system ...
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. Solution 1: Check the configuration. Solution 2: Force restart. Solution 3: Reset your Surface using a USB recovery drive. Solution 4: Request service.
Boot Surface from a USB device - Microsoft Support
Here's how to boot from a USB. Shut down your Surface. Insert the bootable USB drive into the USB port on your Surface. Press and hold the volume-down button on the Surface. While you're doing this, press and release the power button. The Microsoft or Surface logo appears on your screen.
KB5025885: How to manage the Windows Boot Manager revocations for ...
This article describes the protection against the publicly disclosed Secure Boot security feature bypass that uses the BlackLotus UEFI bootkit tracked by CVE-2023-24932, how to enable the mitigations, and guidance on bootable media.
Enable virtualization on Windows - Microsoft Support
Step one: Access the UEFI (or BIOS) Step two: Make changes in the UEFI (or BIOS) Step three: Turn on Virtual Machine Platform in Windows. 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.
Creating and using a USB recovery drive for Surface
Download and create a factory recovery image for your Surface. Before you begin. A recovery drive lets you reset your Surface to its factory settings and can help you troubleshoot and fix problems with your Surface device. Windows comes with a built-in tool to create a USB recovery drive.
Troubleshoot external storage detection on Xbox
How to detect your external storage device. To check whether your console detects your storage device: Press the Xbox button to open the guide. Select Profile & system > Settings > System > Storage devices. If you see your storage device listed, your console has detected it.
KB5028997: Instructions to manually resize your partition to install ...
Manually resize your partition by 250 MB. Open a Command Prompt window (cmd) as admin. To check the WinRE status, run reagentc /info. If the WinRE is installed, there should be a “Windows RE location” with a path to the WinRE directory. An example is, “Windows RE location: [file://%3f/GLOBALROOT/device/harddisk0/partition4/Recovery ...
Use Bootrec.exe in the Windows RE to troubleshoot startup issues
When you use the Recovery Environment (Windows RE) to troubleshoot startup issues, first try the Startup Repair option in the System Recovery Options dialog box. If this does not resolve the issue, or if you have to manually troubleshoot additional issues, use the Bootrec.exe tool.
“We couldn’t update system reserved partition” error installing Windows ...
When upgrading to, or updating, Windows 10, you might encounter the error “We couldn’t update system reserved partition”, error code 0xc1900104, or error code 0x800f0922. Cause. The System Reserved Partition (SRP) may be full.
KB5016061: Secure Boot DB and DBX variable update events
This event is logged when the Secure Boot DBX variable is updated successfully. The DBX variable is used to untrust Secure Boot components and is typically used to block vulnerable or malicious Secure Boot components such as boot managers and certificates used to sign boot managers.