Dell Alienware M17X R2 Mobile Manual - Page 45

When troubleshooting your computer, remember the following safety guidelines: • Before touching any of the computer's internal components, touch an unpainted portion of the chassis. Doing so will safely discharge any static electricity, which could damage your computer. • Turn off your computer and any connected peripherals. • Disconnect any peripherals from your computer. Things to check before troubleshooting: • Ensure that the AC adapter cable is properly connected between your computer and a grounded, three-prong power outlet. Ensure that the power outlet is working. • Ensure the UPS or power strip is turned on (if applicable). • If your peripheral devices (e.g. keyboard, mouse, printer, etc.) are not working, ensure that all connections are secure. • If any computer components were added or removed before the problem began, check to see if you performed the installation or removal procedures properly. • If an error message appears on the screen, write down the exact error message prior to calling Technical Support to aid in diagnosing and resolving your issue. • If an error occurs in a specific program, see the program's documentation. Software Diagnostic Tools Pre-Boot System Assessment (PSA) The computer runs the Pre-boot System Assessment (PSA), a series of initial tests of your system board, keyboard, display, memory, hard drive, etc. To invoke PSA: 1. Turn on (or restart) your computer. 2. Press to access the Boot Menu. 3. Select Diagnostics from the menu and press . During the assessment, answer any questions that appear. • If a failure is detected, the computer stops and beeps. To stop the assessment and restart the computer, press ; to continue to the next test, press ; to retest the component that failed, press . • If failures are detected during the Pre-boot System Assessment, write down the error code(s) and contact Alienware (see "CONTACTING ALIENWARE" on page 61). If the Pre-boot System Assessment completes successfully, the following message appears "Do you want to run the remaining memory tests? This will take about 30 minutes or more. Do you want to continue? (Recommended)." If you are experiencing memory issues, press else press . The following message is displayed: "Pre-boot System Assessment complete." Press to reboot your computer. CHAPTER 5: TROUBLESHOOTING 45