Question Intermittent sound issues on Toshiba 4K when playing files off USB

[divv]

Hi I have a Toshiba 43UL3B63DG, less than 3 months old. In the last few days I have started watching files on USB flash drives.
Today I have a problem that I will try to play a file and there will be no sound.
Completely switching off and on "fixes" the issue, but only that time, the next file I play I have the same issue.
To be clear, the files do have sound, and I will succeed in hearing it if I go through this rigmarole, but it is very annoying to have to keep resetting the TV in this way for each new file.
I have checked for updates and the system tells me there is no update available.
Suggestions please?

 

[hang-the-9]

Recode the files to a different format see if that helps. With full updates on the TV not much to be done. You can maybe try another USB stick brand, try the files on another similar TV.

 

[divv]

Hi hang-the-9, thanks for the response.
This issue applied across all the files on multiple sticks, regardless of the format they were coded.
And as I posted, the files DO play in their current format, and using the current sticks, if I do the reset the TV "workaround".

Oh, and yesterday it wouldn't even pick reproduce sound from a stream from my PC. (But would give sound from the TV box supplied by the ISP, and from the built-in Netflix, so the speakers themselves are working.)

But I hear you, if there is no FW update there may not be much I can do.

If this persists I may have to try return the TV.