Someone replied complaining that the subject line wasn't in perfect English, so I fixed the minor typo + capitalised "My Computer" to make it clearer, and deleted the message as it no longer applied.
I suspect this thread is going to turn into spaghetti that is difficult to follow, but let's see if we can get at least some of the questions out of the way quickly. If not I may split them into separate threads.
- Did you mean to say the harddrives display on the left? They're on the right in the screenshot.
Either way, you may want to group by Type and not Filesystem.
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That's just how grouping works with Tiles mode set to Vertical Layout.
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I think there are registry settings which can hide things, although the exact details will depend on the type of drive.
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There are separate options for folder tree and the file display. The option you want here is under Preferences / Folders / Virtual Folders. If the drive still shows up even then then it may not be reporting its empty/non-empty status properly. (Fully exiting Opus and then re-launching may fix that, for drives which report incorrect status just after boot, which we're looking into handling better in the future.)