How To Invoke Lcd Bist Test; Epsa Diagnostics; Running Epsa Diagnostics; Epsa User Interface - Dell Latitude 3300 Owner's Manual

How to invoke LCD BIST Test

1 Power off the Dell laptop PC.
2 Disconnect any peripherals connected to the PC. Connect only the AC adapter (charger) to the PC.
3 Make sure that the LCD (screen) is clean (no dust particles on the surface of the screen).
4 Press and hold D key and Power on the PC to enter LCD built-in self test (BIST) mode. Continue to hold the D key, until you see color
bars on the LCD (screen).
5 The screen will display multiple color bars and change colors on the entire screen to red, green and blue.
6 Carefully inspect the screen for abnormalities.
7 Press Esc key to exit.
NOTE: Dell ePSA upon launch, initiates a LCD BIST first, expecting an user intervention confirm functionality of the LCD.

ePSA Diagnostics

The ePSA diagnostics (also known as system diagnostics) performs a complete check of your hardware. The ePSA is embedded with the
BIOS and is launched by the BIOS internally. The embedded system diagnostics provides a set of options for particular devices or device
groups allowing you to:
• Run tests automatically or in an interactive mode
• Repeat tests
• Display or save test results
• Run thorough tests to introduce additional test options to provide extra information about the failed device(s)
• View status messages that inform you if tests are completed successfully
• View error messages that inform you of problems encountered during testing
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.

Running ePSA diagnostics

Invoke diagnostics by either of the methods that are suggested below:
• Tap F12 key on keyboard, as the Dell splash screen appears, until you get message Diagnostic Boot Selected.
– On the one time boot menu screen, use Up/Down arrow key to select the Diagnostics option and then press <Return>.
• Press and Hold Function(Fn) key on the keyboard and Press the Power button to power on the system.

ePSA User Interface

This section contains information on ePSA 3.0's Basic and Advanced Screen.
ePSA opens basic screen on start. You can switch to advanced screen using the arrow icon on the bottom. Advanced screen shows
detected devices on the left column. Specific test can be included or excluded only in the interactive mode.
ePSA Basic Screen
The Basic Screen has minimal controls which allows easy navigation for user to start or stop the diagnostic.
148 Diagnostics