A listener seeks a compatible modem for the Optimum cable service in order to avoid monthly rental fees. Airplane drone maker DJI leaves development code in its software which makes it possible for drones to be hacked. A technician indavertently switches a client's email account, deleting all of their messages. We offer some suggestions to possibly recover deleted Outlook mail in Outlook 365. A listener asks for advice on changing out the battery in a Dell laptop. Which will charge a cell phone faster in a car: AC outlet inverter or cigarette lighter outlet? Will a recovery of a Windows 10 computer upgraded from Windows 8 restore to Windows 10? Plus, how to recover from a special kind of computer virus known as a "rootkit." Can you use a security camera without having to send your video to a "cloud" service as well?