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.
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