User Manual

Troubleshooting

Enhanced Pre-boot System Assessment (ePSA)

The ePSA is a diagnostic utility available on the tablet. This utility includes a series of tests for a tablet's hardware. Customers can run these

tests even if the computer lacks any media (hard drive, CD drive, etc.). If an ePSA-tested component fails, the system displays an error

code and generates a beep code.

Features:

• Graphical User Interface.

• Automatic Default Operation- runs test on all devices, allowing a user to interrupt and select any device.

• Checks the Master Boot Record for readiness to boot into a full OS environment.

• Tablet panel test.

• Video card.

• Battery test.

• Charger test.

• Primary battery.

• Multiprocessor cache test.

Running the ePSA Diagnostic Utility

NOTE

: The following steps can be used to run the ePSA diagnostic utility in DOS mode without using an external keyboard.

1 Power on the system.

2 Before the Dell Logo is displayed, immediately press the Volume Up button to get the Boot Menu.

3 Scroll down the Diagnostics and then press the Volume Down button to select.

4 The tablet will begin running the ePSA utility.

Dell wireless charging mat

• Ensure that the correct AC adapter is plugged into the charging mat and AC input is connected and supplied to the adapter.

• Ensure that the charging mat is not placed directly on metal table or if using a metal table ensure there is at least a 5-cm gap between

the metal table and the charging mat.

• Place a known working wireless charging keyboard on the charging mat and check to see if the LED lights up. The keyboard must be

placed within the charging area and no object should be inserted between the keyboard/Mat and/or Mat/table.

• Or if using a tablet connected to the wireless charging keyboard, then check that the battery indicator displays charging.

• If all the above troubleshooting steps fail, then the charging mat may have malfunctioned. Please contact Dell Support for assistance.

68 Troubleshooting