I found a mouse in vb6.0 by use of installation redhat7 always need to switch, then installed guestaddition. Although iso without switching, but the mouse is very insensitive, often cannot right choice, also can't drag terminal window, when there are two terminals conditions, unable to select the first terminals, and unlike the previous version, the mouse show black, under the laptop to the virtual machine display is very big and not harmonious? Excuse me how to work out