No screen visible after DRIVE AGX reflashing

Please provide the following info (check/uncheck the boxes after creating this topic):
Software Version
DRIVE OS Linux 5.2.6
[V] 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

Target Operating System
[V] Linux

Hardware Platform
[V] NVIDIA DRIVE™ AGX Xavier DevKit (E3550)
NVIDIA DRIVE™ AGX Pegasus DevKit (E3550)

SDK Manager Version
other ( )

Host Machine Version
[V] native Ubuntu 18.04

No HDMI signal from target, after reflashing, and installing ubuntu on target using instructions from

section “Installing GUI on the Target”.

Attached is a log from the target:
putty_log.log (85.9 KB)

Problem 1:
The log says

Failed to update the Marvell switch firmware.. Script exited with 1

Problem 2:
No HDMI signal from target

Any ideas?

Documentations in link:

says “Choose default display-manager between gdm3 or lightdm: Choose gdm3 and press enter.”
I now chose lightdm and hdmi works.
Consider updating documentation.

Dear @Sunny127,
Thank you for sharing your feedback. It is helpful to others in the community

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