> Source: [sk128272](https://support.checkpoint.com/results/sk/sk128272)

# sk128272 - Stuck in "Loading operating system" after FDE installation on, or in-place OS upgrade to Windows 10 Version 1803 with  FDE, on some Dell machines

| Property | Value |
|----------|-------|
| Solution ID | sk128272 |
| Date Created | 2018-06-10 |
| Last Modified | 2023-12-25 |
| Technical Level | Advanced |
| Products | Endpoint Security |
| Versions | Cloud, E89.X, E88.X |
| Platform | Intel/PC |

## Symptoms

- * Stuck in "Loading operating system..." after Pre-boot authentication, after installing FDE on Windows 10 Version 1803 on Dell models E5470/E6440/E7440/E7470, and similar, that are configured to use BIOS and have "System Configuration" -\> "SATA Operation" set to "RAID On" (also called Intel Rapid Recover Technology).
* Stuck in "Loading operating system..." after Pre-boot authentication after performing an in place OS upgrade to Windows 10 Version 1803 with FDE installed on Dell models E5470/E6440/E7440/E7470, and similar, that are configured to use BIOS and have "System Configuration" -\> "SATA Operation" set to "RAID On" (also called Intel Rapid Recover Technology).

## Solution

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