Mike.
(i'm a pomme...lol....love australia.)
check out my pc tips sometime in pg tips section to save a ton of typing for me.

have you tried just hanging the pg content/drive off a usb port and doing a minimal install ?
works like a charm for me.
then i just have icons in win task bar i clik on to bring up bb or rb. both boot in a few secs.

i used to have all on c drive.
but now with fast usb and m.2 drives i'm getting practically blink of an eye generating of pg content in bb.

i know some comment about potential probs with usb but ive been doing this for several years with nary a hiccup. works very well for static pc installations.
also frees up my c drive.

hth/ymmv/merry x .

om

my songs....mixed for good earbuds...(fyi..my vocs on all songs..)
https://soundcloud.com/alfsongs
(90 songs created useing bb/rb)
(lots of tips of mine in pg tips forum.)