164
Solving Problems
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•
Disconnect the monitor cable from the computer and check the cable
connector for bent or broken pins. Check for damaged or frayed cables.
•
If the cable is not damaged, make sure that it is firmly connected to
the computer.
•
Test the electrical outlet. Verify that the device is connected to a
working electrical outlet. Verify that the device is turned on.
•
Check for interference: electrical appliances on the same circuit or
operating in close proximity to the computer can cause interference.
•
Adjust brightness and contrast settings on the monitor.
•
Reinstall the video driver for your operating system.
•
Restart the computer.
If the problem still exists after you complete the basic checks, fill out the
Diagnostics Checklist
as you perform the following steps:
1
Turn off the computer, wait at least 30 seconds, and then turn the
computer back on.
2
Allow 1 minute for the computer to initialize its components, and
then adjust the monitor's brightness and contrast controls.
Is the monitor readable?
Yes.
The problem is resolved.
No.
Go to step 3.
3
Turn off nearby fans, lights, lamps, or other electrical devices.
Is the monitor readable?
Yes
. One or more of those devices was causing interference. The
problem is resolved.
No.
Go to step 4.
4
Enter system setup
and make sure that
Primary Video Controller
under the
Integrated Devices
option is set correctly. Then exit system
setup properly to save the information, and reboot the computer.
For a PCI expansion card, set
Primary Video Controller
to
Auto
.
Is the device working properly?
Yes.
The problem is resolved.
No
. Go to step 5.
Summary of Contents for OptiPlex GX50
Page 1: ...w w w d e l l c o m s u p p o r t d e l l c o m Dell OptiPlex GX50 Systems User s Guide ...
Page 10: ...x Contents ...
Page 40: ...38 Abo u t You r C o mp u t er w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 113: ...Installing Upgrades 111 1 Floppy drive cable 2 Lever 1 2 ...
Page 117: ...Installing Upgrades 115 S ma l l D es k t op C om p u te r Small Mini Tow er Comput er ...
Page 136: ...134 Ins ta l l i n g Up g r a d es w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 154: ...152 Microsoft Windows XP Features w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 162: ...160 Te c h n ic a l Sp e c if ic a tio n s w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 210: ...208 So lv ing Pr o ble m s w w w d e l l c o m s u p p o r t d e l l c o m ...
Page 232: ...230 Ge tt ing Help w w w d e l l c o m s u p p o r t d e l l c o m ...