I replaced the HDD with an SSD on my Dell Optiplex 745.
Every 3 hours or so (it seems), the PC crashes, and reboots, and during reboot, it says there is no SATA device found.
If I press CTRL+ALT+Del, I get the same message, but if I shut down, and power back up, the SSD is detected, and Windows will boot.
There is nothing in the event viewer. This only started happening after I changed to an SSD.
The SSD is a Samsung 850 EVO 250GB.