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Troubleshooting
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:
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
CAUTION
: Use the system diagnostics to test only your computer. Using this program with other computers may cause invalid
results or error messages.
NOTE: Some tests for specic devices require user interaction. Always ensure that you are present at the computer terminal
when the diagnostic tests are performed.
Running the ePSA Diagnostics
1 Invoke diagnostics boot by either of the methods suggested above
2 Once on one time boot menu use up/down arrow key to navigate to ePSA or diagnostics and press <return> key to launch
Fn+PWR will ash diagnostics boot selected on screen and launch ePSA/diagnostics directly.
3 On the boot menu screen, select the Diagnostics option.
4 Press the arrow in the lower-right corner to go to the page listing.
The items detected are listed and will be tested
5 If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.
To run a diagnostic test on a specic device
1 Press Esc and click Yes to stop the diagnostic test.
2 Select the device from the left pane and click Run Tests.
3 If there are any issues, error codes are displayed.
Note the error code and validation number and contact Dell.
Real Time Clock reset
The Real Time Clock (RTC) reset function allows you to recover your Dell system from No POST/No Boot/No Power situations. To initiate
the RTC reset on the system make sure system is in a power-o state and is connected to power source . Press and hold the power button
for 25 seconds and then release the power button.
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Troubleshooting 91
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