/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: AhmedSimsim https://cdn.slidesharecdn.com/profile-photo-AhmedSimsim-48x48.jpg?cb=1523418152 Troubleshooting all aspects of computer services including network, WI-FI, operating systems, MS-Office, Internet, Desktops, Laptops, Printers, Scanners, and other computer hardware and peripherals . Installation of operating systems and support. Installation of all programs and deal with it. Knowledge in retrieving lost data from your hard drive. Dealing with all the sites and data entry .