Dell OptiPlex GX270 Systems User's Guide
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CAUTION: Before you begin any of the procedures in this section, follow the steps in "Safety Instructions." |
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CAUTION: To prevent static damage to components inside your computer, discharge static electricity from your body before you touch any of your computer's electronic components. You can do so by touching an unpainted metal surface on the computer chassis. |
Your Dell computer provides a connector for an AGP or DVI adapter card.
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NOTE: The DVI adapter card works through your computer's integrated graphics. To control the adapter through your operating system, click the Start button, click Control Panel, and then click the driver's user-interface icon. |
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NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack. |
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CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. |
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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 to dissipate any static electricity that could harm internal components. |
Press the indented tab on the hinged lever with your thumb until you release the tab. Continue holding the lever and pull the lever up.
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NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer. |
After you open and close the cover, the chassis intrusion detector, if enabled, causes the following message to appear on the screen at the next computer start-up:
ALERT! Cover was previously removed.
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NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion detector. |