Dell Latitude ST Owner's Manual - Page 55

Troubleshooting, Enhanced Pre-boot System Assessment (ePSA), Running The ePSA Diagnostic Utility - keyboard

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21 Troubleshooting 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, CD 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 • Notebook panel test • Video memory test • Battery test • Charger test • Fan test • Event log scan • Multiprocessor cache test • Configuration - displays cable connectivity, Bluetooth, WLAN and WWAN devices installation status • System Health - displays fan, battery, thermal and connectivity indicators 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. The pen can function at the default calibration or at a calibration set by you or by another user. It is recommended that you use the pen only while it is calibrated to your personal calibration settings. Calibration optimizes pen performance for each user. 1. Power on the system and immediately press the Power + Security (Ctrl-Alt-Del) buttons simultaneously for a second. 55

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21
Troubleshooting
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, CD 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
•
Notebook panel test
•
Video memory test
•
Battery test
•
Charger test
•
Fan test
•
Event log scan
•
Multiprocessor cache test
•
Configuration - displays cable connectivity, Bluetooth, WLAN and WWAN devices installation status
•
System Health - displays fan, battery, thermal and connectivity indicators
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.
The pen can function at the default calibration or at a calibration set by you or by another user. It is recommended that
you use the pen only while it is calibrated to your personal calibration settings. Calibration optimizes pen performance
for each user.
1.
Power on the system and immediately press the Power + Security (Ctrl-Alt-Del) buttons simultaneously for a
second.
55