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欢迎访问Roland ProAV中文网站 - 支持 - - M-300: SYMPTOM: Unable to Update the Operating System
M-300: SYMPTOM: Unable to Update the Operating System
The most common reasons an update is unsuccessful are:
- The downloaded update file has not been extracted (unzipped).
- A folder was transferred to the USB memory and the M-300.PRG update file itself.
- The M-300.PRG update file was not place in the root directory of the USB memory.
The following article guides through correctly extracting and placing the file into the root directory:
https://www.rolandus.com/proav/knowledge_base/115004850666
If the problem continues:
