I only showed you a very small piece of the Sentinel report from the "top" section. The "bottom section" didn't really show anything anything useful either. The report is very much cluttered with...

First of all, I did finally try the trial version of Hard Disk Sentinel. It could NOT provide any useful information about my Storage Spaces drives. All I got was a bunch of "question marks":...

<< an external 5Tb Seagate USB 3 hard drive ...
do you not have access to that drive, or is it dead too? >>

Yes, I do have complete access to that drive but, I don't believe there is any way to...

<< I guess you don't have a backup of the data on those disks. >>
Unfortunately, good guess. Actually, that's not quite true. I ran daily complete automatic backups on all of my computers connected...

Thanks for the reply, even though it doesn't help me a whole lot.

<< What resiliency option did you choose? >>
resiliency = two-way mirror

Both drives in the Storage Space using the 3Tb WDC...

Windows 10 Pro version 21H2.

The power supply in my Windows Server 2012 R2 Essentials Home domain controller died about three weeks ago. After adding a new modular power supply, my troubles began....

I hate to disagree with you but the "Media Creation Tool" does NOT run fine on every system... No matter how long you wait (is 12 hours long enough?). It would not run at all on two of my computers...

Thanks for the reply. I had already tried using "msconfig" to disable all of my startup programs but did not think of disabling all of the non-Microsoft services as you suggested. However, before...

The Media Creation Tool will NOT run at all on my Windows 7 Ultimate desktop and my Lenovo Yoga 2 Pro with Windows 8.1. When I try to run it, nothing happens after clicking the message that allows it...