Troubleshooting
Topics:
•
Enhanced Pre-Boot System Assessment — ePSA diagnostics
•
•
Backup media and recovery options
•
Recovering the operating system
•
Enhanced Pre-Boot System Assessment — ePSA
diagnostics
The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded
with the BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular
devices or device groups allowing you to:
The ePSA diagnostics can be initiated by the FN+PWR buttons while powering on the computer.
●
Run tests automatically or in an interactive mode
●
Repeat tests
●
Display or save test results
●
Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
●
View status messages that inform you if tests are completed successfully
●
View error messages that inform you of problems encountered during testing
NOTE:
Some tests for specific devices require user interaction. Always ensure that you are present at the computer
terminal when the diagnostic tests are performed.
Running the ePSA Diagnostics
Invoke diagnostics boot by either of the methods that are suggested below:
1. Power on the computer.
2. As the computer boots, press the F12 key when the Dell logo is displayed.
3. In the boot menu screen, use Up/Down arrow key to select the
Diagnostics
option and then press
Enter
.
NOTE:
The
Enhanced Pre-boot System Assessment
window displays, listing all devices detected in the computer.
The diagnostics starts running the tests on all the detected devices.
4. Press the arrow in the lower-right corner to go to the page listing.
The detected items are listed and tested.
5. To run a diagnostic test on a specific device, press Esc and click
Yes
to stop the diagnostic test.
6. Select the device from the left pane and click
Run Tests
.
7. If there are any issues, error codes are displayed.
Note the error code and contact Dell.
Diagnostics
The computer POST (Power On Self Test) ensures that it meets the basic computer requirements and the hardware is working
appropriately before the boot process begins. If the computer passes the POST, the computer continues to start in a normal
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Troubleshooting
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Содержание D18M
Страница 1: ...OptiPlex XE3 Tower Service Manual Regulatory Model D18M Regulatory Type D18M005 August 2021 Rev A01 ...
Страница 23: ...c Press the blue release tab 1 and slide the optical drive out of the computer 2 Disassembly and reassembly 23 ...
Страница 43: ...5 Pull the power switch out from the computer Disassembly and reassembly 43 ...
Страница 60: ...b Slide and lift the system board away from the computer 1 2 60 Disassembly and reassembly ...