Dell P72S Bedienungsanleitung

Dell Wyse Latitude 5280 Mobile Thin Client

User Guide

Regulatory Model: P72S

Regulatory Type: P72S001

August 2023

Rev. A02

Notes, cautions, and warnings

NOTE: A NOTE indicates important information that helps you make better use of your product.

CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid

the problem.

WARNING: A WARNING indicates a potential for property damage, personal injury, or death.

Other trademarks may be trademarks of their respective owners.

Welcome to Wyse Latitude 5280 mobile thin

client

Dell Latitude 5280 is an affordable commercial-class mobile thin client that delivers relevant features to small and medium-sized

businesses (SMBs). Target customers are across multiple verticals such as finance, federal, commercial, and education. Latitude

5280 mobile thin client supports Windows 10 IoT Enterprise (WIE10).

Welcome to Wyse Latitude 5280 mobile thin client 3

Chassis overview

The goal of the thin client chassis design of the Wyse 5280 mobile thin client is to decrease cluttered desk space. It offers easy-

to-deploy and highly secure configurations, cost-effective cloud-based networking computing, and a space-efficient chassis. As

most of the components are soldered on board, the possibility of the components getting damaged is minimal.

Topics:

•System front view

•System back view

•System side view(left)

•System side view(Right)

•System top view

System front view

Figure 1. Front view

1. Dual array microphone

2. Infrared (IR) camera (optional)

3. Infrared emitter (optional)

4 Chassis overview

4. Camera status light

5. Camera (optional)

6. Dual array microphone

7. Display

8. Battery and charge status light

NOTE: Latitude 5280 also has an optional HD camera module..

System back view

Figure 2. Back view

1. microSIM card slot (optional)

2. microSD card reader

System side view(left)

Figure 3. Left view

1. power connector port

2. DisplayPort or USB 3.1 Gen 1 over Type-C port

Chassis overview 5

3. HDMI port

4. USB 3.1 Gen 1 port

5. Smart card reader (optional)

System side view(Right)

Figure 4. Right view

1. Headset/Microphone port

2. USB 3.1 Gen 1 port with PowerShare

3. VGA port

4. Network port

5. Noble wedge lock slot

6Chassis overview

System top view

Figure 5. Top view

1. Power button

2. Keyboard

3. Palm rest

4. Touchpad

NOTE: Latitude 5280 computer also has an optional fingerprint reader.

Chassis overview 7

Hardware installation

Topics:

•Dell Wyse Latitude 5280 mobile thin client hardware installation

•Accessing thin client BIOS settings

Dell Wyse Latitude 5280 mobile thin client hardware

installation

For more information on the hardware installation, see Dell Wyse Latitude 5280 mobile thin client Quick Start Guide.

Accessing thin client BIOS settings

To access the thin client BIOS settings, do the following:

1. When the system starts, press the F2 key.

The BIOS Setup screen is displayed.

2. Change the BIOS settings as required.

NOTE: To access the boot menu, press the F12 key.

8 Hardware installation

Disassembly and reassembly

Topics:

•Before working on your thin client

•After working on your thin client

•Safety Precautions

•Recommended tools

•Critical callouts

•Disassembly and reassembly

•Download operating system images

•Reimaging the Dell Latitude 5280 mobile thin client

Before working on your thin client

You must perform the below steps before you work on the thin client.

1. Save and close all open files and exit all open applications.

2. Click Start > Power > Shut down to shut down your thin client.

NOTE: For shut down instructions, see documentation of the respective operating system.

3. Disconnect your thin client and all the attached devices from their electrical outlets.

4. Disconnect all the cables such as telephone cables and network cables from your thin client.

5. Disconnect all attached devices and peripherals, such as keyboard, mouse, and monitor, from your thin client.

After working on your thin client

NOTE: You must not leave the stray or loose the screws inside your thin client. This may damage your thin client.

1. Reinstall all the screws and ensure that no stray screws remains inside your thin client.

2. Connect any external devices, peripherals, or cables you removed before working on your thin client.

3. Connect your thin client and all attached devices to their electrical outlets.

4. Turn on your thin client.

Safety Precautions

CAUTION:

Follow the safety precautions described in the following sections when you perform an installation or a

disassembly/reassembly procedure.

●Turn off the system and all attached peripherals.

●Disconnect the system and all attached peripherals from AC power.

●Disconnect all network cables, telephone or telecommunications lines from the system.

●Use a wrist grounding strap and mat when working inside any computer system to avoid electrostatic discharge (ESD)

damage.

●After removing a system component, carefully place the removed component on an anti-static mat.

●Wear shoes with non-conductive rubber soles to help reduce the risk of being shocked or seriously injured in an electrical

accident.

Disassembly and reassembly 9

Standby Power

Dell products with standby power must be completely unplugged before the chassis is opened. Systems that incorporate

standby power are essentially powered while turned off. The internal power enables the system to be remotely turned on (wake

on LAN), suspended into a sleep mode, and have other advanced power management features.

After you unplug a system and before you remove components, wait approximately 30 to 45 seconds to allow the charge to

drain from the circuits. Remove the battery from portable computers.

Bonding

Bonding is a method for connecting two or more grounding conductors to the same electrical potential. This is done through the

use of a Field Service ESD kit. When connecting a bonding wire, always ensure that it is connected to bare metal and never to a

painted or non-metal surface. The wrist strap should be secure and in full contact with your skin, and be sure to always remove

all jewelry such as watches, bracelets, or rings.

Figure 6. Bonding

Electrostatic Discharge Protection

ESD is a major concern when you handle electronic components, especially sensitive components such as expansion cards,

processors, memory DIMMs, and system boards. Very slight charges can damage circuits in ways that may not be obvious, such

as intermittent problems or a shortened product life span. As the industry pushes for lower power requirements and increased

density, ESD protection is an increasing concern.

Due to the increased density of semiconductors used in recent Dell products, the sensitivity to static damage is now higher than

in earlier Dell products. For this reason, some previously approved methods of handling parts are no longer applicable.

There are two recognized types of ESD damage: catastrophic and intermittent failures.

●Catastrophic —The damage causes an immediate and complete loss of device functionality. An example of catastrophic

failure is a memory DIMM that has received a static shock and immediately generates a "No POST/No Video" symptom with

a beep code emitted for missing or nonfunctional memory.

NOTE: Catastrophic failures represent approximately 20 percent of ESD-related failures.

●Intermittent —The DIMM receives a static shock, but the tracing is merely weakened and does not immediately produce

outward symptoms related to the damage. The weakened trace may take weeks or months to melt, and in the meantime may

cause degradation of memory integrity, intermittent memory errors, etc.

NOTE: Intermittent failures represent approximately 80 percent of ESD-related failures. The high rate of intermittent

failures means that most of the time when damage occurs, it is not immediately recognizable.

The more difficult type of damage to recognize and troubleshoot is the intermittent (also called latent or “walking wounded”)

failure. The following image shows an example of intermittent damage to a memory DIMM trace. Although the damage is done,

the symptoms may not become an issue or may not cause permanent failure symptoms for some time after the damage occurs.

10 Disassembly and reassembly

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