Running the ePSA Diagnostics
About this task
Invoke diagnostics boot by either of the methods that are suggested below:
Steps
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.
or
8. Shut down the computer.
9. Press and hold the Fn key, while pressing the power button, and then release both.
10. Repeat steps 3–7 above.
Flea power release
About this task
Flea power is the residual static electricity that remains on the computer even after it has been powered off and the battery has
been removed or disconnected from the system board. The following procedure provides the instructions on how to conduct
flea power release:
Steps
1. Turn off your computer.
2. Remove the
.
NOTE:
Ensure that the battery cable is disconnected from the system board.
3. Press and hold the power button for 15 seconds to drain the flea power.
4. Install the
.
5. Turn on your computer.
WiFi power cycle
About this task
If your computer is unable to access the internet due to WiFi connectivity issues a WiFi power cycle procedure may be
performed. The following procedure provides the instructions on how to conduct a WiFi power cycle:
NOTE:
Some ISPs (Internet Service Providers) provide a modem/router combo device.
Steps
1. Turn off your computer.
2. Turn off the modem.
Troubleshooting
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