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After Working Inside Your Computer - Dell OptiPlex XE3 Tower Service Manual

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6. After the computer is unplugged, press and hold the power button for 5 seconds to ground the system board.
CAUTION:
Place the computer on a flat, soft, and clean surface to avoid scratches on the display.
7. Place the computer face down.

After working inside your computer

NOTE:
Leaving stray or loose screws inside your computer may severely damage your computer.
1. Replace all screws and ensure that no stray screws remain inside your computer.
2. Connect any external devices, peripherals, or cables you removed before working on your computer.
3. Replace any media cards, discs, or any other parts that you removed before working on your computer.
4. Connect your computer and all attached devices to their electrical outlets.
5. Turn on your computer.
10
Working on your computer

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