No display after flasing DriveOS 5.2.6

[khkim]

Please provide the following info (check/uncheck the boxes after creating this topic):
Software Version
[O] 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
[O] NVIDIA DRIVE™ Software 10.0 (Linux)
NVIDIA DRIVE™ Software 9.0 (Linux)
other DRIVE OS version
other

Target Operating System
[O] Linux
QNX
other

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

SDK Manager Version
[O] 1.7.0.8846
other

Host Machine Version
[O] native Ubuntu 18.04
other

today, i did flash DriveOS 5.2.6.0 from DriveSoftware10.0
In SDK Manger, INSTALLATION COMPLETED SUCCESSFULLY and no error or failure report.
but, Target board has no display, it just black screen
the monitor is not a problem because before flashing in DriveSoftware10.0, it worked
I am unable to do any work right now.
how can i fix it?
below, is my log file
sdkm-2021-10-26-02-09-17.log (179.1 KB)

[VickNV]

Hi, @khkim
Please refer to the below section in the installation guide. Thanks.
https://docs.nvidia.com/drive/drive-os-5.2.6.0L/drive-qsg-dz/install-with-sdkm-drive/index.html#finalize-system

[khkim]

@VickNV

thanks! with putty i can access the xavier and install ubuntu desktop it worked!
but some problem here,
/dev/ttyUSB6(Xavier B) is run clearly
but, /dev/ttyUSB2(Xavier A) is run poorly like very slow computer.
in putty terminal, my some keyboard input is ignored so it is not easy to typing all command.
could you help me about this?

[VickNV]

Please create another topic for this. Thanks.