I have two old units : MZ-R55 and MZ-R35 . My brother doesn't use its MZ-R30 anymore so he will get it to me one of these days. I like these old units, they are buil like a tank and are more like micro-decks that portable units for me.
For all us, it has taken years to know well the MD market. Mostly members know a lot better about Sony than other brands. Everything begin with minidisc.org - specially the equipment browser - then all the topics that are pinned in this forum. I suppose that some MD forums like the MD Facebook page (I am not a Facebook member) can bring many more answers. Every country has also a little community with sometimes his own forums and blogs.
That just remind me that I need to do it on my desktop. depending on Windows 8 editions (I have the basic edition), the procedure is not exactly the same. i find the disable option in PC Settings / Update & Recovery / Recovery / Advanced Setup / Restart Now