Dell OptiPlex 270 driver and firmware
Related Dell OptiPlex 270 Manual Pages
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Service Manual - Page 6
... control panel to the computer, and remove the control panel.
Small Desktop Computer
1. Remove the front I/O panel (see I/O Panel).
2. Using an 8-inch #2 Phillips screwdriver, remove the screw that secures the control panel to the computer, and lift the panel away from the computer.
Small Mini-Tower Computer
1. To remove the top and bottom panels of the computer, remove any installed CD drives...
Service Manual - Page 13
... Page
I/O Panel
Dell™ OptiPlex™ GX270 Service Manual Removing the I/O Panel Replacing the I/O Panel
CAUTION: Before you begin any of the procedures in this section, follow the steps in "Safety Instructions." NOTICE: Before you disconnect a device from the computer or remove a component from the system board, verify that the standby power light on the system board has turned off...
Service Manual - Page 21
... now.
NOTICE: To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
3. Disconnect any telephone or telecommunication lines from the computer. 4. Disconnect your computer and all attached devices from their electrical outlets, and then press the power button to ground the system board. 5. Remove the computer stand, if it is attached...
Service Manual - Page 22
... any components and cables that you removed from the system board. 8. Reconnect all cables to their connectors at the back of the computer. 9. Close the computer cover. 10. Attach the computer stand.
NOTICE: To connect a network cable, first plug the cable into the network wall jack and then plug it into the computer.
11. Connect your computer and devices to electrical outlets, and...
Service Manual - Page 24
....
General
l Do not attempt to service the computer yourself unless you are a trained service technician. Always follow installation instructions closely. l To help prevent electric shock, plug the computer and device power cables into properly grounded electrical outlets. These cables are equipped with
3-prong plugs to help ensure proper grounding. Do not use adapter plugs or remove the grounding...
Service Manual - Page 25
... harm internal components. 4. Disconnect your computer and devices, including the monitor, from their electrical outlets. Also, disconnect any telephone or telecommunication lines from the computer.
Doing so reduces the potential for personal injury or shock.
In addition, take note of these safety guidelines when appropriate: l When you disconnect a cable, pull on its connector or...