Dell OptiPlex 320 Quick Reference Manual

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Dell OptiPlex 320 Quick Reference Manual Manual pdf 21 page image

Quick Reference Guide 212 Disconnect any telephone or telecommunication lines from the computer.3 Disconnect your computer and all attached devices from their electrical outlets, and then press thepower button to ground the system board.4 If applicable, remove the computer stand (for instructions, see the documentation that came with thestand).CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet beforeremoving the cover.5 Remove the computer cover:• Remove the mini tower computer cover (see "Mini Tower Computer" on page 21).• Remove the desktop computer cover (see "Desktop Computer" on page 27).NOTICE: Before touching anything inside your computer, ground yourself by touching an unpainted metal surface,such as the metal at the back of the computer. While you work, periodically touch an unpainted metal surface todissipate any static electricity that could harm internal components.Mini Tower ComputerCAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the ProductInformation Guide.CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet beforeremoving the computer cover.1 Follow the procedures in "Before You Begin" on page 20.2 If you have installed a padlock through the padlock ring on the back panel, remove the padlock.3 Lay the computer on its side.4 Slide the cover release latch back as you lift the cover.5 Grip the sides of the computer cover and pivot the cover up using the hinge tabs as leverage points.6 Remove the cover from the hinge tabs and set it aside on a soft nonabrasive surface.