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We have had similar reports, where the Intel® SSD 750 Series is not detected properly after restarting the system. It seems that some motherboards have specific requiremes to work properly with the NVMe* drives, the reason for this behavior may vary so we strongly advise you to check with the Computer Manufacturer Support for recommendations about this matter.
Here are some recommendations we can provided based on the experience from other users:
- Check the following document to review example configurations, try applying one similar to the one of your motherboard: Intel® High Performance Solid-State Drives — Booting an NVMe* PCI Express* Solid State Drive
- Contact the motherboard manufacturer and obtain the most recent BIOS for your PC.
- If you use Windows®, use Intel® SSD toolbox, version 3.3.2 and update the SSD to the most recent firmware.
- Try connecting the SSD to a PCIe* 3.0 x4 slot if available.