Start > Control Panel > Power Options (if not visible change view to Large Icons at top right) > Change Plan Settings (for whatever plan you want) > Change Advanced Power Settings > Change settings that are currently unavailable > Set USB selective suspend setting to Disabled under USB settings and then click OK to save the changes.
You may have to reboot.
Or this:
Make sure "wake by USB".... or something like that, is set to disable in BIOS.
I can't download your MB manual right now to see where it is.
you know what you can do, if nothing has worked for you, just flick the switch at the back of the case that is near the PSU, that'll cut the power altogether.
Start > Control Panel > Power Options (if not visible change view to Large Icons at top right) > Change Plan Settings (for whatever plan you want) > Change Advanced Power Settings > Change settings that are currently unavailable > Set USB selective suspend setting to Disabled under USB settings and then click OK to save the changes.
You may have to reboot.
Or this:
Make sure "wake by USB".... or something like that, is set to disable in BIOS.
I can't download your MB manual right now to see where it is.
Start > Control Panel > Power Options (if not visible change view to Large Icons at top right) > Change Plan Settings (for whatever plan you want) > Change Advanced Power Settings > Change settings that are currently unavailable > Set USB selective suspend setting to Disabled under USB settings and then click OK to save the changes.
You may have to reboot.
Or this:
Make sure "wake by USB".... or something like that, is set to disable in BIOS.
I can't download your MB manual right now to see where it is.