Dell OptiPlex 270 Service Manual - Page 5

Control Panel - optiplex gx270

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Back to Contents Page Control Panel Dell™ OptiPlex™ GX270 Service Manual Removing the Control Panel Replacing the Control 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. To locate the light, see "System Board." 1. Shut down the computer through the Start menu. 2. Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut down your computer, turn them off 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 press the power button to ground the system board. 5. Remove the computer stand, if it is attached. CAUTION: To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover. 6. Open the computer cover. 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. Removing the Control Panel Small Form-Factor Computer 1. Using a flat-blade screwdriver, release the four tabs from the inside of the computer, and remove the computer cover from the computer. 1 tabs (2 on each side) 2 computer 3 computer cover

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Back to Contents Page
Control Panel
Dell™ OptiPlex™ GX270 Service Manual
Removing the Control Panel
Replacing the Control Panel
1.
Shut down the computer through the
Start
menu.
2.
Ensure that your computer and attached devices are turned off. If your computer and attached devices did not automatically turn off when you shut
down your computer, turn them off now.
3.
Disconnect any telephone or telecommunication lines from the computer.
4.
Disconnect your computer and all attached devices from their electrical outlets, and press the power button to ground the system board.
5.
Remove the computer stand, if it is attached.
6.
Open the computer cover.
Removing the Control Panel
Small Form-Factor Computer
1.
Using a flat-blade screwdriver, release the four tabs from the inside of the computer, and remove the computer cover from the computer.
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. To locate the light, see "
System Board
."
NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then unplug it from the network wall jack.
CAUTION:
To guard against electrical shock, always unplug your computer from the electrical outlet before opening the cover.
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.
1
tabs (2 on each side)
2
computer
3
computer cover