If the screen is difficult to read
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NOTE: See the monitor documentation for troubleshooting procedures.
Checkthemonitorcableconnection—
l Ensure that your monitor is properly connected (see the Quick Reference Guide that came with your computer).
l If you are using a graphics extension cable and removing the cable solves the problem, the cable is defective.
l Swap the computer and monitor power cables to determine if the power cable is defective.
l Check the connector for bent or broken pins. (It is normal for monitor cable connectors to have missing pins.)
Checkthemonitorpowerlight— If the power light is off, firmly press the button to ensure that the monitor is turned on. If the power light
is lit or blinking, the monitor has power. If the power light is blinking, press a key on the keyboard or move the mouse.
Testtheelectricaloutlet— Ensure that the electrical outlet is working by testing it with another device, such as a lamp.
Testthemonitor— Connect a properly working monitor to the computer, and try using the monitor. If the new monitor works, the original
monitor is faulty.
Check the computer's diagnostic lights
Run the Monitor's self test. See the monitor documentation for more information.
Checkthemonitorsettings— See the monitor documentation for instructions on adjusting the contrast and brightness, demagnetizing
(degaussing) the monitor, and running the monitor self-test.
Movethesubwooferawayfromthemonitor— Ifyourspeakersystemincludesasubwoofer,ensurethatthesubwooferisatleast60cm
(2ft)awayfromthemonitor.
Movethemonitorawayfromexternalpowersources— 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.
AdjusttheWindowsdisplaysettings—
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.
