Dell OptiPlex 270, Руководство по обслуживанию

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Closing the Computer Cover
Dell™ OptiPlex™ GX270 Service Manual
1. Ensure that all cables are connected, and fold cables out of the way.
Gently pull the power cables toward you so that they do not get caught underneath the drives.
2. Ensure that no tools or extra parts are left inside the computer.
3. Close the cover:
a. Pivot the cover down.
b. Press down on the right side of the cover until it closes.
c. Press down on the left side of the cover until it closes.
d. Ensure that both sides of the cover are locked. If not, repeat step 3 .
4. Connect your computer and devices to electrical outlets, and turn them on.
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.
5. Reset the chassis intrusion detector by entering system setup and changing the Chassis Intrusion setting to Enabled or Enabled-Silent .
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CAUTION: Before you begin any of the procedures in this section, follow the steps in " Safety Instructions ."
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
NOTE: If a setup password has been assigned by someone else, contact your network administrator for information on resetting the chassis intrusion
detector.