Dell 745 Manual

A SERVICE OF

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If the screen is difficult to read

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Check the diagnostic lights — See Diagnostic Lights.

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Checkthecardsetting— Enter system setup (see Entering System Setup) and ensure that Primary Video option is set correctly. Exit

system setup and restart your computer.

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Run the monitor self-test — Check the monitor documentation for more information.

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Checkthemonitorsettings— See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing

(degaussing) the monitor, and running the monitor self-test.

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Movethesubwooferawayfromthemonitor— Ifyourspeakersystemincludesasubwoofer,ensurethatthesubwooferisatleast60cm

(2ft)awayfromthemonitor.

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Movethemonitorawayfromexternalpowersources— Fans, fluorescent lights, halogen lamps, and other electrical devices can cause

the screen image to appear "shaky." Turn off nearby devices to check for interference.

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AdjusttheWindowsdisplaysettings— 

1. Click the Start button, click Control Panel, and then click Appearance and Themes.

2. Click Display and click the Settings tab.

3. Try different settings for Screen resolution and Color quality.