Dell Inspiron 20 (3043, Mid 2014) Manuel d'utilisateur télécharger pdf (Page 8)

Before Working Inside Your

Computer

CAUTION: To avoid damaging the components and cards, handle

them by their edges and avoid touching pins and contacts.

NOTE: The images in this document may differ from your computer

depending on the configuration you ordered.

Before You Begin

1 Save and close all open files and exit all open applications.

2 Shut down your computer.

– Windows 8.1: On the Start screen, click or tap the power icon →

Shut down.

NOTE: If you are using a different operating system, see the

documentation of your operating system for shut-down

instructions.

3 Disconnect your computer and all attached devices from their electrical

outlets.

4 Disconnect all cables such as telephone cables, network cables and so

on, from your computer.

5 Disconnect all attached devices and peripherals, such as keyboard,

mouse, monitor, and so on, from your computer.

6 Remove any media card and optical disc from your computer, if

applicable.

CAUTION: Place the computer on a flat, soft and clean surface to

avoid scratching the display.

7 Place the computer face down on a flat and clean surface.

Safety Instructions

Use the following safety guidelines to protect your computer from potential

damage and ensure your personal safety.

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Dell Inspiron 20 (3043, Mid 2014) Manuel d'utilisateur Page 8