... 77 4 77 5monitorschanging screen resolution, 78 2 78 4CRT, 24 5, 77 6LCD, 2 37, 77 6 77 7multiple, 36, 78 2 78 4overview, 22 , 77 6 77 7selecting screen resolution, 77 8 78 2 video cards, 77 7 77 8 79 4Installing New ... Monitor, 2 07 20 8Remote Assistanceconnecting to, 2 17 22 1interaction with, 21 6limiting invitations, 22 1 22 2overview, 21 6troubleshooting, 22 2Web, 22 2 22 3 Windows Help and Supportcategories of, 20 9 21 0index, ... Printer 823 Windows 7 All- in- One For Dummies 836hardware (continued)mousealternatives to, 78 7 78 8controls, 83–84, 84–85, 85–86overview, 25 , 78 7 78 8pointers, 23 5 2 37 overview, 12 13, 77 3printers,...