The problem you described can be caused by either a corrupted operating system or a hardware issue with the SSD or mainboard.
- Press and hold the Power button for 30 seconds, then release.
Wait a moment, then press and hold both the Power button and Volume Up button together for 15 seconds. Release both buttons and wait 10 seconds.
Finally, press the Power button once to check if the device starts up normally.
- Hold Volume Up + Power until the UEFI screen appears. If the SSD isn't detected here, this indicates a hardware or storage issue.
- Download Surface Recovery Image Download in another system and try to repair.
- Microsoft related article: