the system tray you can close open applications, without installing other applications that do this
I have a usb mause, but the system tray does not come out
I have to do to make uscure the system tray with mause?
thank you
System bar can be enabled/disabled with this update file from CS: http://www.mediafire.com/?smq92es16jycao3
File taken from here: http://forum.softpedia.com/topic/1056055-himedia-q10q5-pro-android-511-tv-box/page__st__306#entry20046516
Rename that zip file to update.zip, copy it to a USB flash drive, and boot the Q5/Q10 Pro with restore button pressed.
The update will toggle system bar on/off. So if it's off (as it is by default in recent firmwares) then it will toggle it on and if it's on it will toggle it off.