Dell Inspiron 560 Manuel d'entretien - Page 3

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Dell Inspiron 560 Manuel d'entretien
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CAUTION:
To avoid damaging the computer, perform the following steps before you begin working inside the computer.
 
1. Ensure that the work surface is flat and clean to prevent the computer cover from being scratched.
 
2. Turn off your computer (see
CAUTION:
To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device.
 
5. Disconnect all telephone or network cables from the computer.
 
6. Disconnect your computer and all attached devices from their electrical outlets.
 
7. Disconnect all attached devices from your computer.
 
8. Press and eject any installed cards from the optional Media Card Reader.
 
9. Press and hold the power button while the system is unplugged to ground the system board.
CAUTION:
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 static electricity, which could harm internal
components.
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Turning Off Your
Computer).