Table of Contents

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System
Operating Manual
FUJITSU ALL-IN-ONE PC
ESPRIMO K55x/24
ESPRIMO K55x/20

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Table of Contents
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Summarization of Contents

Ports and Operating Elements
Front
Describes the front panel ports and controls of the device.
Important notes
Safety information
General safety precautions for device installation and operation.
Getting started
Unpacking and checking the delivery
Steps for unboxing and verifying the contents of the delivered device.
Steps for initial setup
Outlines the basic steps required for the first-time setup of the device.
Setting up the device
Setting up an ergonomic video workstation
Guidance on positioning the device for an ergonomic and comfortable user experience.
Operation
Switch the device on
Steps to power on the device for normal operation.
Switching the device off
Proper procedures for shutting down the device safely.
LCD screen
Adjusting the brightness
How to adjust the brightness of the LCD screen for optimal viewing.
Keyboard
Important keys and keyboard shortcuts
Highlights key functions and shortcuts for operating the system.
Wireless LAN/Bluetooth radio components (optional)
Switching the wireless components on and off
Instructions for enabling and disabling wireless network features.
SmartCard reader (optional)
Inserting the SmartCard
Instructions on how to correctly insert a SmartCard into the reader.
Explanatory information about standard ISO 9241-307
Permanently unlit or lit pixels
Explanation of pixel and subpixel faults in display technology.
Troubleshooting and tips
Help if problems occur
Guidance on what to do when encountering issues with the device.
Power indicator remains off after you have switched on your device
Diagnoses and remedies for the device not powering on.
System expansions
Information about boards
General advice and precautions for handling internal computer boards.
Preparing to remove components
Steps to take before removing or installing internal hardware components.
Remove and install memory expansion
Removing a cover
Steps to remove a specific cover to access memory modules.
Installing and removing the hard disk drive
Installing a hard disk drive
Procedure for installing a new hard disk drive into the system.
Technical data
Electrical data
Specifications related to the device's electrical properties and safety compliance.
Dimensions
Physical measurements of the device in various configurations.
Weight
The weight of the device in different configurations.
Ambient conditions
Environmental operating conditions such as temperature and humidity.
Temperature
Operating and transportation temperature ranges for the device.
Clearance required to ensure adequate ventilation
Recommended space around the device for proper airflow.
Maximum resolution
The highest screen resolution supported by the device.
Pixel error class according to ISO 9241-307
Classification of pixel errors according to the ISO standard.
Multimedia module
Technical specifications for the optional multimedia module.

Table of Contents