Windows 10: What could be going on with these "external" HDDs and how can I access them?

HiI have the following HDD drives see screenshots:HDD 1 HGST used to be the drive in an old Samsung notebook that I no longer have, but has personal files I had before on 4 partitions. With the adapter shown, I have used it to connect it to a different notebooks over time and could use it as an external drive. A while back, something happened to the Windows partition, which made me have to format it, but the data on the 3 other partitions is intact. About 2 weeks ago, I decided to insert it into a different notebook to see if it is still fine and was able to install Windows 10 without a h

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Unable to Access External HDD

Hi,

Have you tried all usb ports on your surface pro 4? If yes then I highly suggest you to try these steps from this link: Fix
The Parameter Is Incorrect on External Hard Drive. Skip the reset part and make a backup of your HDD to one of your other PC's incase it gets formatted in any way. Try to go through the troubleshooting steps one by one and see which one works.

Please reply if the issue still remains so that I can help you with solving it .

 

No access to external HDD

Just over a week ago I posted the below problem of inability to access my external HDD. I had one response from someone who asked me to send a mailshot of my Disk Management. This failed on my first attempt but was successful on the second. Despite
sending him/her a reminder I have heard nothing further. CAN SOMEONE PLEASE SEND A POSSIBLE SOLUTION AS I CANNOT DO ANY BACKUPS!

I have Windows 10 Pro Version 1903 and use Macrium Reflect for my scheduled backups

to an external HDD housed in a caddy. Recently the backups have failed four times

due to an error "the semaphore timeout period has expired". Despite trying various

suggestions to fix from Google - no luck! Now I have no access to my external HDD

as the drive cannot be seen in ‎File Explorer. Your help for a fix will be greatly

appreciated.

 

Unable to access external HDD

I have Windows 10 Pro Version 1903 and use Macrium Reflect for my scheduled backups

to an external HDD housed in a caddy. Recently the backups have failed four times

due to an error "the semaphore timeout period has expired". Despite trying various

suggestions to fix from Google - no luck! Now I have no access to my external HDD

as the drive cannot be seen in ‎File Explorer. Your help for a fix will be greatly

appreciated. Regards