Repair & Trouble shooting (Sadiq&#039;s system booting problem, Poonam&#039;s system hanging problem, JMC computer starting problem, Sonali&#039;s laptop excel application was not working, Illustrator system wacom pad not working, Windy&#039;s system not starting , there was problem of paper jam in canon printer, internet was not working in Raghavan sir&#039;s laptop and in cdp floor, all checked and then repaired  and checked CCTV camer it was not working, hanging problem was in accurate computer)