Service Manual
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.
The shut-down instruction varies depending on the operating system 
installed on your computer.
– Windows 10: Click Start →   Power → Shut down.
– Console Mode: On the Home screen, click Power → 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.
NOTE: Remove the USB dongle from the bottom USB-port.
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.
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