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Wet computer, If the screen is blank, If the screen is difficult to read – Dell OptiPlex GX60 User Manual

Page 173

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If the screen is blank

 

 

If the screen is difficult to read

 

Wet Computer

 

Fill out the

Diagnostics Checklist

as you complete these checks.

 

 

Back to Contents Page

 

CAUTION:

Before you begin any of the procedures in this section, follow the

safety instructions

.

 

NOTE:

See the monitor documentation for troubleshooting procedures.

Check the monitor cable connection  —

  

l

If you purchased a graphics card, ensure that the monitor is connected to the card. 

l

Ensure that your monitor is properly connected (see the  Setup and 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 defe ctive.

l

Check the connector for bent or broken pins. (It is normal for monitor cable connectors to have missing pins.)  

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 Controller under the Integrated Devices option is set

correctly. For an AGP card, set Primary Video Controller to AGP. For a PCI card, set Primary Video Controller to Auto. Exit system setup
and restart your computer.

Run the

Dell Diagnostics

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  —

  

Windows XP

 

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.

Windows 2000

 

1.

      

Click the  Start button, point to Settings, and then click Control Panel.

2.

      

Double-click the  Display icon and click the Settings tab.

3.

      

Try different settings for  Screen area or Desktop area.  

 

CAUTION:

Before you begin any of the procedures in this section, follow the

safety instructions

.

NOTE:

Spills, splashes, and excessive humidity can cause damage to the computer. If an external device, such as a printer or modem, gets wet, contact

the manufacturer of the device for instructions.

Repair the Wet Computer  —

1.

      

Turn off the computer and devices, disconnect them from their electrical outlets, wait 10 to 20 seconds, and then open the computer
cover.  

2.

      

Let the computer dry for at least 24 hours. Ensure that it is thoroughly dry before you proceed.  

3.

      

Remove all cards t hat are installed in the computer, except graphics cards. If your primary hard drive is connected to a drive
controller card instead of one of the system board connectors, leave the drive controller card installed in the computer.

4.

      

Close the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.  

5.

      

If your computer has power, go to step 6. If not,  

contact Dell

for technical assistance.

6.

      

Turn off the computer and devi ces, disconnect them from their electrical outlets, wait 10 to 20 seconds, and then open the computer
cover.

7.

      

Reinstall all cards.  

8.

      

Close the computer cover, reconnect the computer and devices to electrical outlets, and then turn them on.  

9.

      

Run the  

Dell Diagnostics

.

10.

  

If any of the tests fail,  

contact Dell

for technical assistance.