I have 3 Western Digital external hard drives that are 2TB, and all over a period of a month are blank and show up in Disk Manager as only 1TB. I am thinking the onboard controller on these fail. Anybody else struck this, and … got a fix? SMART data is fine … ??
Welcome to the Community.
Does this happen with any computer you have tried?
Hi Trancer. Thanks for the response. Yes. Shows up on any computer. I have also tried many adapters as well. Just comes up as 1TB Raw and wanting to be formatted, which is understandable seeing as the drive size/partition info has changed.
cheers.
Have you tried a low-level format (Write zeros)? This will completely clean the drive’s sectors in case there’s something wrong with the RAW partition.
Additional information is available in the following link:
Tried that for the day. Windows re-registered the disk, through disk manager, but it still is showing up as only 931gb (1TB). I’m thinking it’s a lost cause. 
