After the laptops resume from sleep mode, the laptop's on screen display (Volume and brightness indicators) are not working. However if laptop has been rebooted, it works fine.
Ensure you have done the following.
If problem still persist, try disabling any Antivirus / Firewall software running in the background then try resuming the laptop and see if problem still persist. If by disabling the Antivirus / Firewall helps solve the issue, do add the TPONSCR.EXE file into the exception list of the Antivirus.
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