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Apple Mac Pro User Manual: Problems With Your Display

Apple computer user's guide mac pro computer.
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 Check the AirPort signal level. You may have up to four bars in the AirPort status icon
in the menu bar.
 For more information, see the instructions that came with the wireless device or
search for "AirPort" in Mac Help.

Problems with Your Display

WARNING:
If you have a problem with your Apple display and nothing in this manual
solves it, contact an Apple Authorized Service Provider or Apple for assistance. If you
attempt to repair the display yourself, any damage you may cause to the display will
not be covered by the limited warranty on your display. Contact an Apple Authorized
Reseller or Apple Authorized Service Provider for additional information about this or
any other warranty question.
No image appears on the screen.
 Make sure the display and computer are turned on.
 Make sure the cables are connected properly to your computer and the display.
 If your graphics card has an internal power cable, make sure its connected to the card
and the logic board.
 Make sure your computer is not in sleep. Press the power button or any key to see if
the computer wakes.
 Make sure the display brightness and contrast are set properly. Some displays have
brightness and contrast controls on or under their front edge.
58
Chapter 4
Troubleshooting

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Mac pro (8-core

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