Dell 5000 Series Посібник з експлуатації - Сторінка 6

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Dell 5000 Series Посібник з експлуатації

Before working inside your computer

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 10: Click or tap Start →
•
Windows 8.1: On the Start screen, click or tap the power icon
•
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.

Safety instructions

Use the following safety guidelines to protect your computer from potential damage and ensure your
personal safety.
WARNING: Before working inside your computer, read the safety information that shipped with
your computer. For more safety best practices, see the Regulatory Compliance home page at
www.dell.com/regulatory_compliance.
WARNING: Disconnect all power sources before opening the computer cover or panels. After you
finish working inside the computer, replace all covers, panels, and screws before connecting to
the power source.
CAUTION: To avoid damaging the computer, ensure that the work surface is flat and clean.
CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid
touching pins and contacts.
6
Power → Shut down.
→ Shut down.
1