Before Working Inside Your Computer; Before You Begin; Safety Instructions - Dell Inspiron 20 3043 Service Manual

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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