Download Technostar Rio Smart Rar Site
Use a tool like 7-Zip or WinRAR to extract the contents.
Sites like Soft4Led or FirmwareFile often host these RAR archives for specific board chipsets. 2. How to handle the .rar file Download TECHNOSTAR RIO SMART rar
To help you "make a paper" (which I'm assuming means a guide or report on how to handle this file), 1. Where to find the download Use a tool like 7-Zip or WinRAR to extract the contents
What are you trying to fix (e.g., stuck on logo, black screen)? stuck on logo