Apple M9177LL User Guide - Page 8
Troubleshooting Your Display, Specifications - a a1081
UPC - 718908806999
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Troubleshooting Your Display Before taking any of these steps, make sure your computer is turned on, all the cables are connected properly to your computer and display, and your computer is not in sleep mode. The USB or FireWire ports on the back of the display are not working: • Verify that the display's USB and FireWire cables are firmly plugged in to the computer. The ports on the back of your display only work if these cables are attached to the computer. Part of the screen is dim or the screen does not have an image: It may take several minutes for the display to reach full operating brightness. • Make sure the display brightness controls are set properly. Use the brightness buttons on the side of the display or choose Apple (K) > System Preferences, and click Displays. • If a portion of the screen remains dim after the display has warmed up and the white LED on the front of the display is flashing a repeating pattern, contact an Apple Authorized Reseller or Service Provider. Specifications Displays • 20-inch Apple Cinema Display, model A1081 • Viewable: 20.1 inches • Resolution: 1680 x 1050 @ 60 hertz (Hz) • Weight: 13.90 lb. (6.30 kg) • 23-inch Apple Cinema HD Display, model A1082 • Viewable: 23.0 inches • Resolution: 1920 x 1200 @ 60 Hz • Weight: 14.90 lb. (6.75 kg) • 30-inch Apple Cinema HD Display, model A1083 • Viewable: 29.7 inches • Resolution: 2560 x 1600 @ 60 Hz • Weight: 27.15 lb. (12.31 kg) Interfaces The back of the display has: • Two USB ports • Two FireWire ports 8