Dell Alienware M17x R3 (Early 2011) - Manual (Page 91)

CHAPTER 5: TROUBLESHOOTING
89
Software Diagnostic Tools
Pre-Boot System Assessment (PSA)/Enhanced Pre-Boot
System Assessment (ePSA)
NOTE: Your computer may have Pre-boot System Assessment (PSA) or Enhanced
Pre-boot System Assessment (ePSA) pre-installed on your computer.
The computer runs the PSA/ePSA, a series of initial tests of your system board, keyboard,
display, memory, hard drive, etc.
To invoke PSA/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 try again.
3. Select Diagnostics from the menu and press <Enter>.