John is attempting to use Handoff with his recently updated iPhone and Mac. It is not pairing successfully. He just added home networking equipment to improve signal range. What troubleshooting step should John try first?
Gary purchased a new USB 2.0 input device for his iMac (Late 2013). He installed the software that shipped with the device, but it does not seem to work. He has tried all of the USB ports on the back of the iMac, but the issue persists. Which of the following troubleshooting tools or techniques would help Gary isolate the issue?
Gretchen accidentally deleted a file on her MacBook Air while traveling. She backs up regularly to Time Machine, but did not backup while she was away. From which location would you recover the deleted file?