Power Switch Module 438Power Switch ModuleWARNING: Before working inside your computer, read the safety informationthat shipped with your computer. For additional safety best practices information,see the Regulatory Compliance Homepage atwww.dell.com/regulatory_compliance.WARNING: To guard against electrical shock, always unplug your computer fromthe electrical outlet before removing the cover.WARNING: Do not operate your equipment with any cover(s) (including computercovers, bezels, filler brackets, front-panel inserts, etc.) removed.CAUTION: Ensure that sufficient space exists to support the system with thecover removed—at least 30 cm (1 ft.) of desk top space.Removing the Power Switch Module1 Follow the procedures in "Before You Begin" on page 11.2 Remove the computer cover from both the sides (see "Removing theComputer Cover" on page 15).3 Remove the front bezel (see "Removing the Front Bezel" on page 19).4 Remove the hard drive (see "Removing a Hard Drive" on page 31).5 Disconnect the power switch module cable from power switch moduleconnector (FP1) on the system board. For the location of the connector,see "System Board Components" on page 8.6 Gently release the hard drive activity light from its holder.7 Press the holder and rotate it outwards to remove it from the front panel.