Dell OptiPlex SX260 - Manual (Page 23)

Dell Diagnostics
When to Use the Dell Diagnostics
If you experience a problem with your computer, run the Dell Diagnostics before you contact Dell for technical assistance. Running the Dell Diagnostics may
help you resolve the problem without contacting Dell. If you do contact Dell, the test results can provide important information for Dell's service and support
personnel.
The Dell Diagnostics allow you to:
l Perform express, extended, or custom tests on one or all devices
l Select tests based on a symptom of the problem you are having
l Choose how many times a test is run
l Display test results
l Suspend testing if an error is detected
l Access online help information that describes the tests and devices
l Receive status messages that tell you whether tests completed successfully
l Receive error messages if problems are detected
Starting the Dell Diagnostics
It is recommended that you print these procedures before you begin.
1-3 Video Memory Test failure Run the VESA/VGA Interface tests in the Dell Diagnostics.
1-3-1 through 2-4-
4
DIMMs not being properly identified or used See " Memory Problems ."
3-1-1 Slave DMA register failure Run the System Board Devices tests in the Dell Diagnostics, if possible.
3-1-2 Master DMA register failure Run the System Board Devices tests in the Dell Diagnostics, if possible.
3-1-3 Master interrupt mask register failure Contact Dell for technical assistance.
3-1-4 Slave interrupt mask register failure Contact Dell for technical assistance.
3-2-2 Interrupt vector loading failure Contact Dell for technical assistance.
3-2-4 Keyboard Controller Test failure Run the Keyboard tests in the Dell Diagnostics. Otherwise, contact Dell for technical
assistance.
3-3-1 NVRAM power loss Run the System Board Devices tests in the Dell Diagnostics, if possible.
3-3-2 NVRAM configuration Run the System Board Devices tests in the Dell Diagnostics, if possible.
3-3-4 Video Memory Test failure Run the VESA/VGA Interface tests in the Dell Diagnostics.
3-4-1 Screen initialization failure Run the VESA/VGA Interface tests in the Dell Diagnostics.
3-4-2 Screen retrace failure Run the VESA/VGA Interface tests in the Dell Diagnostics.
3-4-3 Search for video ROM failure Run the VESA/VGA Interface tests in the Dell Diagnostics.
4-2-1 No time tick Contact Dell for technical assistance.
4-2-2 Shutdown failure Contact Dell for technical assistance.
4-2-3 Gate A20 failure Contact Dell for technical assistance.
4-2-4 Unexpected interrupt in protected mode Contact Dell for technical assistance.
4-3-1 Memory failure above address 0FFFFh Run the System Memory tests in the Dell Diagnostics.
4-3-3 Timer-chip counter 2 failure Contact Dell for technical assistance.
4-3-4 Time-of-day clock stopped Contact Dell for technical assistance.
4-4-1 Serial or parallel port test failure Run the Serial Ports and the Parallel Ports tests in the Dell Diagnostics.
4-4-2 Failure to decompress code to shadowed
memory
Run the System Board Devices tests in the Dell Diagnostics, if possible.
4-4-3 Math-coprocessor test failure Run the System Board Devices tests in the Dell Diagnostics, if possible.
4-4-4 Cache test failure Run the System Board Devices tests in the Dell Diagnostics, if possible.
NOTICE: Only use the Dell Diagnostics to test your Dell™ computer. Using this program with other computers can result in error messages.