Replacing the Top Shield 155Replacing the Top ShieldCAUTION: Before working inside your computer, read the safety information thatshipped with your computer. For additional safety best practices information, seethe Regulatory Compliance Homepage at www.dell.com/regulatory_compliance.CAUTION: Ensure that you disconnect the power cable before removing the topshield.1 Follow the procedures in "Before You Begin" on page 9.2 Remove the computer cover (see "Replacing the Computer Cover" onpage 11).3 Remove the four screws securing the top shield and lift the top shield awayfrom the computer..4 To replace the top shield, align the screw holes on the top shield with thescrew holes on the chassis.5 Replace the four screws that secure the top shield.6 Replace the computer cover (see "Replacing the Computer Cover" onpage 11).1 screws (4) 2 top shield12