# Data Disks Are Not Displayed After a Windows ECS Is Restored

#### Symptom

When a Windows ECS is restored, the data disks are not displayed.

#### Possible Cause

Due to the limitations of Windows operating systems, data disks are in offline mode after an ECS is stored.

#### Solution

1. On the Windows desktop, right-click the My Computer icon.
2. Choose Manage from the shortcut menu. The Computer Management page is displayed.
3. In the navigation tree, choose Storage > Disk Management.

   Data disks are in the offline state, as shown in Figure 1.

   Figure 1 Data disks in the offline state
4. Right-click a data disk in the offline state and choose Online, as shown in Figure 2.

   Figure 2 Setting a data disk to be online

   After the data disk status changes to Online, the data disk will be displayed in the disk list, as shown in Figure 3.

   In addition, the data disk will be properly displayed on the ECS.

   Figure 3 Viewing online data disks

Parent topic: Troubleshooting Cases