- See if you have the latest bios update
- Download and install the latest Intel Rapid Storage driver provided by your mainboard manufacturer
- Go to the OCZ Homepage and download the RD400 driver
- Open the Windows ‘Device Manager’, go to ‘Storage Controllers’
- Right click the ‘Standard NVM Express Controller’ and choose ‘Update Driver Software’, then ‘Browse my computer for driver software (locate and install driver software manually)’
Choose the ‘Let me pick from a list of device drivers on my computer’.
- Uncheck the ‘Show compatible hardware’ box to show the manufacturer list.
From the manufacturer list you need choose ‘Toshiba’ and from the models select ‘RD400’
- Click the ‘Next’ button, close the window and restart your computer.
Optionally you can update the firmware of the XG4:
Consider that it is not my fault if you are loosing any data or if you are destroying your SSD drive!
- Download or use the Google search: xg4 dell firmware
- Double click the executeable
- Select the checkbox next to your XG4 from the HDD list
- Update and restart your Computer
The SSD Utility of OCZ is also working with that driver. Here is a link to download it.
Here are my test results: