Apple continues to sell the CRT-based eMac, and there are literally millions of CRT-based iMac models still in use today. Therefore, it's important to familiarize yourself with these computers and their service issues.
Users control Apple displays through physical controls as well as Display preferences. These controls often provide different ways of adjusting the same thing, such as brightness.
To access the physical controls, simply check the front panel of the display itself, or consult the display's user's manual if you can't locate the controls by sight.
Different Apple displays have different ...