Symptoms

You experience the following symptoms on some Surface devices that have the 1TB drive configuration:

  • Diskpart shows two 512 GB drives instead of a single 1 TB drive.

  • Windows Explorer shows two 512 GB drives instead of single 1 TB drive.

  • A bare metal recovery (BMR) image states "There was a problem recovering your PC" or reports other errors when you try to restore the BMR image.

Surface devices that are impacted by this issue:

  • Surface Pro (5th gen) 1TB drive configuration

  • Surface Laptop (1st Gen) 1TB drive configuration

  • Surface Pro 6 1TB drive configuration

  • Surface Laptop 2 1TB drive configuration

The following Surface Devices with 1TB drive configuration use a single SSD and are not impacted by this issue

  • Surface Pro 4

  • Surface Book

  • Surface Book 2

  • Surface Studio 2

  • Surface Pro 7

  • Surface Laptop 3

Cause

This issue occurs because some Surface Devices with 1TB drive configuration use Storage Spaces technology to combine two 512-GB drives into a single drive.  If you use older deployment or disk configuration tools that do not support the storage spaces it can break a single storage-space drive into two separate drives.

 

Resolution

To resolve this issue, follow these steps:
 

  1. Download version 3.2.43 or a later version of the Surface Data Eraser tool.

  2. Create a Surface Data Eraser drive, and then start the device from that drive.

The Surface Data Eraser tool rejoins the two drives into a single storage-spaces drive. The BMR image can be downloaded and installed, or a custom image can be deployed. 

Note The image and deployment tools that are used must be based on the Windows 10, version 1703 (Spring Creators) update or a later Windows 10 update.  

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