Portege R830-10R: No USB connection after recovery from sleep mode

Good day!
I've been experiencing the following problem on my Portege R830-10R for a long time.
Quite frequently, when it recovers after sleep mode it loses ability to recognize connected USB devices and built-in 3G modem does not work as well.
After some time, like 10-15 minutes of working (or never), the problem becomes solved by itself, but normally it is not the case.
If I try to send the laptop to hibernate or sleep mode again, while this problem is active, lets say, it does not hibernate and hangs on a half way with a black screen - so I have to shut it down manually and then start again.
Normally, the only way to resolve the problem is to restart it, but the issue comes back after next sleep mode.
Has anyone had something like that? Any solution available?

> {quote:title=Paolo30 wrote:}{quote}
> It would be interesting to know, if the same problem could be replicated after the notebook has been recovered.
> I mean you that you should run an system recovery (Toshiba recovery disk or HDD recovery).
> Straight after the system has been recovered, test if USB ports would functions after waking up from sleep mode.
I agree that it may resolve the issue, I tend to see the root of the problem inside the software part.
However, I was curious to know whether it was possible to treat it without recovery - I have a lot of software installed and complete recovery of the laptop to the state as it is now may take several days.
Anyway, great thanks for your help!

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