what version of windows 10 youre using?
the latest one has removed homegroup.
go to 192.168.0.100 make sure that youre sharing D.
right click D folder -> properties -> sharing -> advanced sharing -> check "share this folder" -> click permissions -> give everyone full control.
so,
your printer plugged to desktop which is running fine, but you cant access the printer through network (wireless/wired) from your laptop?
is that right?
go to:
setting -> system -> power & sleep -> additional power setting -> change plan setting -> change advanced power setting -> processor power management -> set maximum processor state to 50% or less -> in system cooling policy set it to passive