Dell T05G Руководство пользователя - Страница 27

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Troubleshooting Your Computer

You can troubleshoot your computer using indicators like Diagnostic Lights, Beep Codes, and Error Messages during the
operation of the computer.

Enhanced Pre-boot System Assessment (ePSA)

The ePSA is a diagnostic utility available on your computer. This utility includes a series of tests for a computer's
hardware. You can run these tests even if the computer lacks any media (hard drive, optical drive, etc.). If a 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 memory test
•
Battery test
•
Charger test
•
Event log scan
•
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 and immediately press the <Power> + <Start> buttons simultaneously for a second.
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