Your aspect ratio is: 16 : 9

Nuclear Network Reset

C:\>
ipconfig /flushdns
nbtstat -R
nbtstat -RR
netsh int reset all
netsh int ipv4 reset
netsh int ipv6 reset
netsh winsock reset
shutdown /r /f /t 1

S1P1 - S1
S1P2 - S2
S1P3 - S3
S1P4 - S4
S1PU - Empty
S2P1 - S5
S2P2 - ?
S2P3 - Empty
S2P4 - Fan
S2PU - Empty

sudo nano /etc/default/grub
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video=hyperv_fb:1920x1080"
GRUB_CMDLINE_LINUX="quiet splash video=hyperv_fb:1920x1080"
Run sudo update-grub.
Shut down the VM.
Start the VM again.