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How to troubleshoot someone else’s computer remotely
These four free tools can let you play IT support.
To save you from an endless series of “What’s on-screen now?” and “Which options can you see?” questions, you can set up a remote connection to the computer you’re trying to troubleshoot so that you’re virtually in front of it yourself. If you’re on a Mac, you have the option of paying $80 for the official, pro-level Apple Remote Desktop application — or you can use the simpler screen sharing feature that’s built into the Messages app. Using the menus up at the top of the window, you can change settings for display quality and scaling, access features like a whiteboard, and transfer files between the two computers.
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