Hi, we are sorry to hear that you’re experiencing trouble with your hard drive. You have a few options here as far as how to proceed. If you don't want to format the drive, as you've mentioned, and your goal is to preserve the data on the drive, your options are as follows: Try the drive with a different cable, try the drive on a different port, and try the drive on a different computer. Then, if that doesn't work: Run Do It Yourself software on the computer (there's some really good free 3rd party software out there for this, you'd just have to research recovery software and see what people are saying works) note: this should only be done as long as the drive is not clicking, and lastly, if these options are not working, you can...