Last Updated: Dec 9th, 2025   

Author: Duc Bui

Overview   

GPU trays and other components often come slightly loose during transit

Here is a step by step and video to reseat the tray

Affected Systems: 

ASRock 6U8X-TURIN2 SYN H200

Symptoms

• GPU falling off the Bus
• GPU missing or not detected via nvidia-smi or lspci

Instructional Video 

Video attached in the below article

Step-by-step Instructions

Step 1: Verify GPUs

• Verify and note which GPUs are detected

nvidia-smi --query-gpu=index,bus_id,serial --format=csv

Step 2: Power Down System

• Power down and unplug power cable from system

Step 3: Re-seating GPU tray

• Unscrew both sides
• Pull out Bottom Tray
• Reinsert Tray
• Screw to secure

Step 3: Re-verify GPUs

• Plug in power cable and power up system
• Verify if all GPU are detected

nvidia-smi --query-gpu=index,bus_id,serial --format=csv

Prevention Tips

• Remember to always power down the system and ground yourself to prevent electrical issues
• Components tend to be loose during transit, re-seat helps secure connection

• PXL_20250819_160720238.TS~2.mp410 MB