Well...it was a definite PITA...just to tighten the antenna connections. I have the be quiet! Dark Base Pro 900 Rev.2 case. I had to remove the video card, the PSU shroud, the AIO cooler/radiator, the rear 140mm fan, all the case cables, fan cables, etc...then remove the board. I left the CPU AIO pump in place,, just worked with the limited amount of room that gave me. 4 screws to remove the IO shield and heat sink...tightened the antenna connections, replaced those screws, reinstalled the motherboard...then, because I had it all apart, I re-did the fan connections and ARGB cables...as I mentioned above, the cables from the Arctic Cooling ARGB fans were too short to reach the two "JRAINBOW 1 & 2" connections on the bottom left of the board, (was able to plug in the rear 140mm fan into one) so I ordered a single ARGB extension cable from Amazon...got next day service.
Those fricken fan and ARGB cables were a PITA. l ended up making "tags" to ID each fan and ARGB cable, re-routed a few things...finally got it all back together...and it WORKS!
<phew!>