Invoking ePSATo invoke ePSA:1 Restart the computer.2 Press F12 at the Dell logo to access the BIOS setup program.NOTE: f you wait too long and the operating system logo appears, continue to wait until you see the Windows desktop,then restart your computer and try again3 Select Diagnostics and press Enter.4 Follow the instructions on the screen to complete the test and note any error messages that appear.If a component fails the test, the test stops, the computer beeps, and an error code is displayed. Note the error code(s) and search forsolutions at www.dell.com/support or Contact Dell.Follow the instructions on the screen to continue to the next test, retest the component that failed, or stop the test and restart thecomputer.If the PSA completes successfully, the following message appears on your screen: No problems have been found with this system so far.Do you want to run the remaining memory tests? This will take about 30 minutes or more. Do you want to continue?(Recommended).Press to continue if you are experiencing memory issue, otherwise press to finish the test.If the ePSA completes with errors, the following message appears on your screen: Testing completed. One or more errors were detected.The Event Log tab in the Status window displays the errors that occurred during the ePSA tests.Beep codesYour computer may emit a series of beeps during start-up if there are errors or problems. This series of beeps, called a beep code, identifiesa problem. If this occurs, note the beep code and contact Dell for assistance.NOTE: Some of the beep codes mentioned in the table below may not apply to your computer.Table 13. Beep codes and possible problemsBeep codes Possible problemsOne Possible system board failure—BIOS ROM checksum failure.Two No RAM detectedNOTE: If you installed or replaced the memory module, ensure that the memory module isseated properly.Three Possible system board failure—Chipset errorFour RAM read/write failureFive Real‑time Clock failureSix Video card or video controller failureSeven Processor failureNOTE: This beep code is supported for computers with Intel processor only.Eight Display failureTroubleshooting 59