Troubleshooting
The following section describes common troubleshooting steps that can be performed to resolve certain problems on your computer.
Topics:
• Dell Enhanced Pre-Boot System Assessment — ePSA Diagnostic 3.0
• Preboot blinking power button codes
• PCIe slots
Dell Enhanced Pre-Boot System Assessment — ePSA
Diagnostic 3.0
You can invoke the ePSA diagnostics by either of the following ways :
• Press the F12 key when the system posts and choose ePSA or Diagnostics option on One Time Boot Menu.
• Press and hold Fn(Function key on keyboard) and Power On (PWR) the system.
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 specic 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.
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92 Troubleshooting
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