Before Working Inside Your Computer; Before You Begin - Dell Inspiron 7746 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.

Before You Begin

1 Save and close all open files and exit all open applications.
2
Shut down your computer.
Microsoft Windows 8: Move your mouse pointer to the upper-right or lower-right
corner of the screen to open the charms sidebar, and then click or tap Settings→
Power→ Shut down.
Windows 7: Click or tap Start → 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.
7 After the computer is unplugged, press and hold the power button for 5 seconds to
ground the system board.
Before Working Inside Your Computer
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