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ノートパソコン Dell Vostro A840のPDF サービスマニュアルをオンラインで閲覧またはダウンロードできます。Dell Vostro A840 37 ページ。
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NOTICE:
To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
3. Disconnect all telephone or network cables from the computer.
4. Close the display and turn the computer upside down on a flat work surface.
5. Disconnect your computer and all attached devices from their electrical outlets.
NOTICE:
To avoid damaging the system board, you must remove the main battery before you service the computer.
NOTICE:
To avoid damage to the computer, use only the battery designed for this particular Dell computer. Do not use batteries designed for
other Dell computers.
6. Remove the main battery:
a. Unlock the battery by sliding the battery-lock latch towards the outer edge.
b. Slide the battery-bay release latch and hold it.
c. Remove the battery from the battery bay.
1
battery-lock latch
3
battery
7. Press the power button to ground the system board.
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2
battery-bay release latch