112 | System SetupClearing CMOS SettingsWARNING: Before working inside your computer, read the safety informationthat shipped with your computer and follow the steps in "Before You Begin" onpage 11. After working inside your computer, follow the instructions in "AfterWorking Inside Your Computer" on page 13. For additional safety best practicesinformation, see the Regulatory Compliance Homepage atdell.com/regulatory_compliance.1 Remove the back cover. See "Removing the Back Cover" on page 17.2 Remove the system-board shield. See "Removing the System-Board Shield" onpage 31.3 Locate the CMOS jumper on the system board. See "System-Board Components"on page 15.4 Remove the 2-pin jumper plug from pins 2 and 3 and fix it on pins 1 and 2.5 Wait for approximately five seconds to clear the CMOS setting.6 Remove the 2-pin jumper plug from pins 1 and 2 and replace it on pins 2 and 3.7 Replace the system-board shield. See "Replacing the System-Board Shield" onpage 32.8 Replace the back cover. See "Replacing the Back Cover" on page 18.9 Follow the instructions in "After Working Inside Your Computer" on page 13.
