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CHAPTER 5: TROUBLESHOOTING
83
Software Diagnostic Tools
Enhanced Pre-Boot System Assessment (ePSA)
e computer runs the Enhanced Pre-boot System Assessment (ePSA), a series of initial tests
of your system board, keyboard, display, memory, hard drive, etc.
To invoke ePSA:
1. Turn on (or restart) your computer.
2. When the Alienware logo appears, press <F12> immediately.
NOTE: If you wait too long and the operating system logo appears, continue to wait until
you see the Microsoft Windows desktop; then, shut down your computer and tryagain.
3. Select Diagnostics from the menu and press <Enter>.