oliverpowell wrote:Try replacing the connective media or hard drive jack you're trying to connect as i strongly suspect that any of them has been damaged. Your drive won't be readable unless the steps said earlier has been followed.
I'm also afraid that due to frequent improper ejection (removal) of the drive may leads to damaged file system (such as RAW hard drives) or permanent failure due to which, the drive becomes invisible from the BIOS itself.
I'd better recommend you to seek professional service to evaluate the drive (even if you have highly equipped enthronement) as professional services knows the right way to do it which you might take over months to learn.
Hope it helps!!
Dear Oliver,
Thank you for your suggestion. Just so I am clear, by "connective media or hard drive jack" do you mean the USB/SATA cables and connection ports that are being used to interface the hard drive with the computer? If so, one of the first troubleshooting steps that was attempted was to change the USB ports and cables (as well as the computer the disk was connected to) while the hard drive was still in the external caddy. Then, when that did not help, the hard drive was removed from the external caddy and connected internally in two different desktop PCs using an SATA connection. Note that neither of these desktops were the lab computer that was involved with initial failure. Multiple SATA cables and ports were tested on one of the desktop computers, including those known to be working with other hard drives, in order to ensure that they weren't at fault for the lack of hard disk detection in the BIOS. Unfortunately, the hard drive was not detected in any of the configurations tested.
I agree that the way the drive failed gradually and with intermittent connectivity that seemed to be correlated with its physical orientation made it seem like it could be some sort of cable/connector failure, but the aforementioned tests do not indicate that this is the only issue at least. Unless it has to do with the SATA interface built into the hard drive itself, but I am not sure what I could do about that anyhow.
If I am misunderstanding what you are referring to or there is something that I have overlooked in my testing, could you please explain with a little bit more detail?
Ultimately, I fear that you are correct that professional service would be much better than my own amateurish attempts. The problem here, as is often the case, is a matter of cost and whether it is worthwhile. However, perhaps it is worth at least getting a diagnostic done in case I am overestimating the expense.
Do you, or any other forum members, have any suggestions for reputable hard drive recovery professionals located in Canada (preferably in Ontario or Quebec)?