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							- # Troubleshooting 1.0-b
 
- :toc: macro
 
- NOTE: If your BlueSCSI was shipped after April 3rd, 2021 please refer to the 1.0-c troubleshooting guide.
 
- ## Green LED Flashes on and off
 
- This indicates BlueSCSI could not find any files on the SD card or communicate with the SD card.
 
- Ensure your files are named properly (case sensitive) following the naming convetion in the readme.
 
- If you recived a kit - verify all connections and that the outside of the SD holder is grounded.
 
- ## LOG.txt is empty
 
- This indicates the BlueSCSI could communicate with the SD Card but found no files. Check your naming convention.
 
- ## Slow performance
 
- Ensure you are using a good SD card. SD card quality can vary widely. 
 
- Format your card as ExFat - users have seen quite a jump in performance.
 
- ## (Kit Only) Verify you are not using a fake
 
- https://github.com/keirf/Greaseweazle/wiki/STM32-Fakes[How to tell if your STM32 is fake]
 
 
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