Here is a copy paste of the last fragments of terminal output of the sdk manager.
23:30:47 INFO: Flash Jetson TX2 - flash: fi
23:30:47 INFO: Flash Jetson TX2 - flash: sleep 20
23:30:47 INFO: Flash Jetson TX2 - flash: **********************
23:30:47 INFO: Flash Jetson TX2 - flash: exec_command: /tmp/tmp_NV_L4T_FLASH_TX2_WITH_OS_IMAGE_COMP.sh
23:30:47 INFO: Flash Jetson TX2 - flash: sudo ./nvautoflash.sh
23:30:47 INFO: Flash Jetson TX2 - flash: *** Checking ONLINE mode … OK.
23:30:47 INFO: Flash Jetson TX2 - flash: *** Checking target board connection … 1 connections found.
23:30:47 INFO: Flash Jetson TX2 - flash: *** Finding configuration … jetson-tx2-devkit found.
23:30:47 INFO: Flash Jetson TX2 - flash: *** Finding boot device … Boot device mmcblk0p1 found.
23:30:47 INFO: Flash Jetson TX2 - flash: /home/srinath/nvidia/nvidia_sdk/JetPack_4.5.1_Linux_JETSON_TX2/Linux_for_Tegra/flash.sh jetson-tx2-devkit mmcblk0p1
23:30:47 INFO: Flash Jetson TX2 - flash: ###############################################################################
23:30:47 INFO: Flash Jetson TX2 - flash: # L4T BSP Information:
23:30:47 INFO: Flash Jetson TX2 - flash: # R32 , REVISION: 5.1
23:30:47 INFO: Flash Jetson TX2 - flash: ###############################################################################
23:30:52 INFO: Flash Jetson TX2 - flash: Error: probing the target board failed.
23:30:52 INFO: Flash Jetson TX2 - flash: Make sure the target board is connected through
23:30:52 INFO: Flash Jetson TX2 - flash: USB port and is in recovery mode.
23:30:52 INFO: Flash Jetson TX2 - flash: *** ERROR: flashing failed.
23:30:52 INFO: Flash Jetson TX2 - flash: [ Component Install Finished with Error ]
23:30:53 INFO: Flash Jetson TX2 - flash: [host] [ 12.00 KB used. Disk Avail: 663.47 GB ]
23:30:53 INFO: Flash Jetson TX2 - flash: [ NV_L4T_FLASH_TX2_WITH_OS_IMAGE_COMP Install took 6s ]
23:30:53 ERROR: Flash Jetson TX2 - flash: [error]: : [exec_command]: /bin/bash -c /tmp/tmp_NV_L4T_FLASH_TX2_WITH_OS_IMAGE_COMP.sh; [error]:
23:30:53 ERROR: Flash Jetson TX2 - flash: command terminated with error
23:30:53 SUMMARY: Flash Jetson TX2 - flash: First Error: Installation failed.
23:30:53 SUMMARY: NVIDIA Container Runtime with Docker integration (Beta) - target: Depends on failed component
23:30:53 SUMMARY: Multimedia API - target: Depends on failed component
23:30:53 SUMMARY: TensorRT on Target - target: Depends on failed component
23:30:53 SUMMARY: VisionWorks on Target - target: Depends on failed component
23:30:53 SUMMARY: VPI on Target - target: Depends on failed component
23:30:53 SUMMARY: CUDA Toolkit for L4T - target: Depends on failed component
23:30:53 SUMMARY: cuDNN on Target - target: Depends on failed component
23:30:53 SUMMARY: OpenCV on Target - target: Depends on failed component
23:30:53 SUMMARY: NVIDIA Nsight Systems - target: Depends on failed component
23:30:53 SUMMARY: DateTime Target Setup - target: Depends on failed component
23:30:53 SUMMARY: Device Mode Host Setup in Target SDK - target: Depends on failed component