Dell OptiPlex GX1 - Manual (Page 95)

External Components: Dell GX1 Small-Form-Factor System User's Guide
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External Components: Dell™ OptiPlex™ GX1 Small-Form-Factor
System User's Guide
Overview Troubleshooting I/O Ports
Troubleshooting the Monitor Troubleshooting Basic I/O Functions
Troubleshooting the Keyboard Troubleshooting a Parallel Printer
Troubleshooting the Mouse Troubleshooting a Serial I/O Device
Overview
This section provides troubleshooting procedures for equipment that connects directly to the input/output
(I/O) panel of your computer, such as your monitor, keyboard, mouse, or printer. Before performing any of
the procedures in this section, see "
Checking Connections and Switches ." Then perform the troubleshooting
procedures for the equipment that is malfunctioning.
You need a copy of the Dell ResourceCD to perform the procedures in this section.
Troubleshooting the Monitor
Troubleshooting video problems involves determining which of the following is the source of the problem:
Monitor or monitor interface cable
Video controller
The procedures in this section troubleshoot problems with the monitor and the monitor interface cable only.
If information on the monitor screen is displayed incorrectly or not at all, perform each of the following steps
in the order indicated until the problem is resolved:
1. Turn on the system, including any attached peripherals.
2. Adjust the switches and controls as specified in the monitor's documentation to correct the video
image, including the horizontal and vertical position and size.
3. Insert the Dell ResourceCD into the appropriate drive, reboot the system, and run the Video Test
Group in the Dell Diagnostics .
4. Turn off the system and disconnect it from the electrical outlet. Swap the monitor with one of the same
type that is working, and reconnect the system to an electrical outlet.
5. Reboot the system, and run the Video Test Group again.