47CHAPTER 5: TROUBLESHOOTINGIf the PSA completes successfully, the following message appears on yourscreen.“Do you want to run the remaining memory tests? This willtake about 30 minutes or more. Do you want to continue?(Recommended).”Press <y> to continue if you are experiencing memory issue, otherwise press <n>to finish PSA testing.When you press <n>, the following message appears on the screen.“Booting Dell Diagnostic Utility Partition. Press any key tocontinue.”Select5. Exit to reboot your computer.Software Diagnostic ToolsPre-Boot System Assessment (PSA)The computer runs the Pre-boot System Assessment (PSA), a series of initial testsfor the system board, keyboard, display, memory, hard drive, and so on.To invoke PSA:Turn on (or restart) your desktop.1.When the Alienware logo appears, press immediately to access the2.Boot Menu.NOTE: If you wait too long and the operating system logo appears, continueto wait until you see the Microsoft Windows desktop; then, shut down yourcomputer and try again.Select3. Diagnostics from the menu and press .During the assessment, answer any questions that appear on the screen.4.If a failure is detected, the computer stops and beeps. To stop the•assessment and restart the computer, press <n>; to continue to thenext test, press <y>; to retest the component that failed, press <r>.If failures are detected during the Pre-boot System Assessment, write• down the error code(s) and contact Alienware (see “CONTACTINGALIENWARE“ on page 65).