I shut down my computer whenever it is not in use. A computer with a SSD boots and it is ready in less than 30 sec
I don't see any reason to let it on while not in use and I can list many reasons...

If I understood well, you leave the backup HDD always connected to the computer.
That isn't a good practice.
If you have a malware attract it will infect the computer and the backup

GerryPeters, one day all drives will fail.

Make periodic backups. That is the best action you can do to protect your data.

:thumbsup::roflmao2:

You probably moved the folder to some other folder
Windows search sometimes doesn't show what you're searching
Install Everything
On Everything insert a file name that was on the deleted folder....

As I suspected, drive 2 is Advanced Format to allow a MBR to be bigger than 2.2T.
Advanced Format was a workaround to be able to have drives bigger than 2.2T on systems (like Win XP) that wasn't...

The drive 2 must be a Advanced Format type
- It has an active partition, so it should be a MBR
- MBR has a 2.2 T limit unless it is Advanced Format

Open Disk manager.
View - Top - Disk list...

I see that you already removed the EFI and Recovery partition letters

As the drive 2 isn't boot able, lets remove the active flag

diskpart
select disk 2
select part 1
inactive
exit

The recovery environment is on the Recovery partition (as it should)
Could you please post a Disk manger image of all drives?

let's see if you have Win RE
Open a CMD window as administrator and type:
reagentc /info

Nothing wrong with md R:\Recovery\WindowsRE
Yes, I mistyped on #38 and #53 and I did recognized my mistake.

I have Minitool Ver 9.1 that can fix some drive issues that new versions don't.
Also have DiskGenius that is very, very good.

In fact the command md R:\Recovery\WindowsRE has created the directory (folder) under R

Yes, my mistake, sorry.

Under Win 10
- Download the USB Win 11 23h2 iso file using MCT
- Disconnect from the internet.
- Right click on the iso file and select mount.
- On the virtual drive...

Congratulations, you're doing great.
What version of win 10 you have, Home or pro?

Let's create a new Recovery partition on the unallocated space
diskpart
Sel disk 0
create par prim
format...

Next step:
- Boot from Win 10 USB installation drive
- delete partition 3 and 4
- Shrink C: in 450M

Boot from a Win 10 installation drive and at the Windows Setup screen, press Shift+F10...

Open a CMD window as administrator and type:
bcdboot C:\Windows /s W: /f UEFI

Sorry, it is C: not G:

Why partition 1 has no Letter?

Open a CMD window as administrator and type:
diskpart
select disk 0
select part 1
assign letter=w
exit
bcdboot C:\Windows /s W: /f UEFI

Next step
- Delete the System partition and create a new EFI partition on it.

Open a CMD window as administrator and type:
Diskpart
sel disk 0
sel part 1
del part override
create part EFI ...

Next step
- Delete the System partition and create a new EFI partition on it.

Open a CMD window as administrator and type:
Diskpart
sel disk 0
list part (it will list all partitions on disk 0)...

try to run as administrator on a CMD window
shutdown.exe /p

Boot from C: as UEFI

So my suggestion is to shutdown, set BIOS to boot as UEFI and boot from it.
Once booted, lets delete the System partition.

Did you created the Win 10 USB installation drive on it?

Why is drive 2 set as active? Did it once had Windows on it?