Booting time even after removing VB

[ejc]

Hello, I have installed (with some help from IT friends) linux lite on an eeebox 1501b and I think the system looks excellent and for what I have tested it is smoother (with pdf and browsing) than Lubuntu 18 on the same machine. BUT, I have only 2 Go RAM and have noticed that it takes about 3 minutes to boot. The boot order is correct (HD first), I have applied to recommendation regarding the removal of Virtualbox and saw no difference. I have tried to change the driver from the generic one to the proprietary one (NVIDIA) but same problem, no difference. Apart from the booting time everything is normally fast.

Thanks for any help! please no-geek here, if explanations are given, make it very detailed!

ejc