Some time ago, we were worried about the quality problem of the three-year warranty of the solid state disk purchased from JD's self support, but JD's self support refused to provide the warranty after two-and-a-half years of quality problems. The reason is that two years ago, JD purchased the Lexa NM610 1TB version of solid state disk from JD, and JD provided after-sales service, with a three-year warranty period. In July, the SSD, which had been used slightly for two and a half years, lost its disk. What is the disk dropping phenomenon? To put it simply, the drive letter ……