Turn on your Mac, then immediately press and hold the D key on your keyboard. Keep holding until you see a screen asking you to choose your language. When Apple Diagnostics knows your language, it displays a progress bar indicating that it's checking your Mac: Checking your Mac takes 2 or 3 minutes. If any issues are found, Apple Diagnostics suggests solutions and provides reference codes. Note the reference codes before continuing. Choose from these options: To repeat the test, click âRun the test againâ or press Command (â)-R.
Freebase(0.00 / 0 votes)Rate this definition: Peer pressure. Peer pressure is influence that a peer group, observers or individual exerts that encourages others to change their attitudes, values, or behaviors to conform to group norms.
What is Peer Pressure? Peers are people who are part of the same social group, so the term peer pressure means the influence that peers can have on each other. Although peer pressure does not necessarily have to be negative, the term pressure implies that the process influences people to do things that may be resistant to, or might not otherwise choose to do.