Not able to view screen in drive pegasus

Please provide the following info (check/uncheck the boxes after creating this topic):
Software Version
DRIVE OS Linux 5.2.6
DRIVE OS Linux 5.2.6 and DriveWorks 4.0
DRIVE OS Linux 5.2.0
DRIVE OS Linux 5.2.0 and DriveWorks 3.5
NVIDIA DRIVE™ Software 10.0 (Linux)
NVIDIA DRIVE™ Software 9.0 (Linux)
other DRIVE OS version
other

Target Operating System
Linux
QNX
other

Hardware Platform
NVIDIA DRIVE™ AGX Xavier DevKit (E3550)
NVIDIA DRIVE™ AGX Pegasus DevKit (E3550)
other

SDK Manager Version
1.9.1.10844
other

Host Machine Version
native Ubuntu 18.04
other

I have tried these command using aurix console @SivaRamaKrishnaNV
https://forums.developer.nvidia.com/t/re-host-os-requirement-for-flashing-drive-pegasus/261471/2?u=mand0513

But still I’m not able to see the screen.
I’m able to login into tegra-ubuntu login screen using minicom and enter
With the following command, I’m able to see its Drive O.S version as 5.2.6
$ cat /etc/nvidia/version-ubuntu-rootfs.txt

Can you help me with fixing my screen. I installed GUI and reconfigure to lightdm and GDM3 but the screen still doesnt show up. @VickNV
and when I try to reflash it says OSS and NV packages error.

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