5 Put back the upper case removed in step 2 and tighten the srcews.
Note:
DS1517+ with M2D17 can only support M.2 SATA SSD. M.2 NVMe/AHCI PCIe SSD is not supported.
Replace System Fan
Your DiskStation will beep if either of the system fans is not working. Follow the steps below to replace the
malfunctioning fan with a good one.
To replace the system fan:
1 Shut down your DiskStation and disconnect all cables to prevent any possible damages.
2 Fans are numbered as follows:
3 Remove the 4 screws that secure the fan panel.
13 Chapter 2: Hardware Setup