Note that someone has to be present at your computer to generate and give you the access code. If the things are other way around and it’s you who wants to access a remote machine (this could be your own machine at home that you want to access from your office), you can do it by using the Give Support option in the remote desktop tool. Remotely Access a Computer With Chrome Remote Desktop If you want to cancel the remote assistance procedure, click on the Cancel button. Do note that the code automatically expires in 5 minutes and then a new code will be generated.