NVME SSD drive not detected on startup or reboot on Precision 15 5000 (5510) or XPS 15 9550

The M.2 NVMe SSD hard drive may not be detected on startup or reboot on Precision 15 5000 (5510) or XPS 15 9550 laptops. Follow the solution steps outlined in this article to resolve the issue.

M.2 NVMe SSD not detected.

On Precision 15 5000 (5510) and XPS 15 9550 systems with M.2 Non-Volatile Memory Express (NVMe) M.2 Solid State Drives (SSDs), the SSD may fail to be detected in the Basic Input/Output System (BIOS) at start or after a reboot of the system. The following error may be presented (Figure 1):

• Hard Drive - Not installed

Figure 1: Precision 5510 and XPS 9550 Hard Drive - Not Installed error

Install latest BIOS update.

Installation of the latest BIOS revision will resolve the issue:

NOTE: Please ensure Audio driver installed is v7628 or later before flashing the BIOS (Audio sound may have distortion)

• Precision 15 5000 (5510) Download link to the Dell Support Website Drivers and Downloads, BIOS section.
• XPS 15 9550 Download link to the Dell Support Website Drivers and Downloads, BIOS section.

NOTE: Always download the MOST CURRENT driver version. The downloads referenced were the current version when the article was published. Newer versions may be available.