90 | Replacing the Video-Card Heat-Sink(s)Replacing the Video-Card Heat-Sink(s)WARNING: Before working inside your computer, read the safetyinformation that shipped with your computer and follow the steps in"Before You Begin" on page 11. For additional safety best practicesinformation, see the Regulatory Compliance Homepage atdell.com/regulatory_compliance.Procedure1 Align the screw holes on the video-card heat-sink(s) with the screw holes on thevideo cards.2 Tighten the captive screws that secure the primary video-card heat-sink to the videocard.3 Tighten the captive screws that secure the secondary video-card heat-sink to thevideo card.Postrequisites1 Replace the video card(s). See "Replacing the Video Card(s)" on page 93.2 Replace the display assembly. See “Replacing the Display Assembly” on page 60.3 Replace the optical drive. See “Replacing the Optical Drive” on page 24.4 Replace the hard drive(s). See “Replacing the Hard Drive(s)” on page 28.5 Replace the battery pack. See “Replacing the Battery Pack” on page 17.6 Replace the fans cover. See “Replacing the Fans Cover” on page 30.7 Replace the base cover. See "Replacing the Base Cover" on page 15.8 Follow the instructions in "After Working Inside Your Computer" on page 13.
