Dell GX520 - OptiPlex - 512 MB RAM User's Guide download pdf (Page 194)



If the screen is difficult to read

Back to Contents Page



Checkthemonitorpowerlight— 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.



Testtheelectricaloutlet— Ensure that the electrical outlet is working by testing it with another device, such as a lamp.



Testthemonitor— 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 diagnostic lights



Checkthecardsetting— Enter system setup and ensure that Primary Video option is set correctly. Exit system setup and restart your

computer.



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



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.



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.



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.



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.

1 ... 193 194 195 ... 229

No comments

Dell GX520 - OptiPlex - 512 MB RAM User's Guide Page 194