Hey there, @manpreet66!
I'm sorry to hear about your issues with the WD Green HDD, however, if you can still access the data on the drive - back it up somewhere else immediately!
Chkdsk does a completely different testing on the drive when compared to the brand-specific diagnostic tool (WD Data LifeGuard or any other HDD diagnostics utility). CheckDisk is mainly concerned with the integrity of the file system data structure on the drive, whereas our DLG tool runs various hardware-specific tests that ensure that the HDD is healthy.
Basically, if there was something wrong with the directory or a corrupted system files, then CHKDSK would have indicated an error and attempted to fix it. (Depending on the command you ran in CMD prompt) However, if the WD Green HDD is going back, then DLG is definitely the source you should trust at this point. A healthy WD hard drive should pass without any errors both the QUICK and the EXTENDED tests.
Make sure you
check the warranty on your WD drive. IF it's still covered, you should be able to RMA it and get a replacement from our
Customer Support.
Good luck!
SuperSoph_WD