Dell Latitude 7220EX Rugged Extreme Bedienungsanleitung

Dell Tablette Latitude 7220EX Rugged Extreme

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Latitude 7220EX Rugged Extreme Tablet

Service Manual

Service ManualService Manual

Regulatory Model: T03H

Regulatory Type: T03H004

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.

2020 - 01

Rev. A00

1 Working on your tablet..................................................................................................................5

Safety instructions................................................................................................................................................................ 5

Before working inside the tablet....................................................................................................................................5

Safety precautions...........................................................................................................................................................6

Electrostatic discharge—ESD protection.................................................................................................................... 6

ESD field service kit ........................................................................................................................................................7

After working inside the tablet.......................................................................................................................................7

2 Major components of the tablet.....................................................................................................9

3 System setup..............................................................................................................................11

Boot menu..............................................................................................................................................................................11

Navigation keys..................................................................................................................................................................... 11

Boot Sequence..................................................................................................................................................................... 12

System setup options.......................................................................................................................................................... 12

General options...............................................................................................................................................................12

System information........................................................................................................................................................ 13

Video................................................................................................................................................................................ 15

Security............................................................................................................................................................................15

Secure boot.....................................................................................................................................................................16

Intel Software Guard Extensions..................................................................................................................................17

Performance....................................................................................................................................................................17

Power management.......................................................................................................................................................18

POST behavior................................................................................................................................................................19

Manageability................................................................................................................................................................. 20

Virtualization support.................................................................................................................................................... 20

Wireless............................................................................................................................................................................21

Maintenance screen.......................................................................................................................................................21

System logs.....................................................................................................................................................................21

SupportAssist System Resolution................................................................................................................................22

About...............................................................................................................................................................................22

Updating the BIOS in Windows ........................................................................................................................................ 22

Updating BIOS on systems with BitLocker enabled..................................................................................................23

Updating your system BIOS using a USB flash drive................................................................................................23

Updating the Dell BIOS in Linux and Ubuntu environments.....................................................................................24

Flashing the BIOS from the F12 One-Time boot menu.............................................................................................24

System and setup password..............................................................................................................................................26

Assigning a system setup password............................................................................................................................27

Deleting or changing an existing system setup password........................................................................................27

4 Troubleshooting......................................................................................................................... 28

Enhanced Pre-Boot System Assessment (ePSA) diagnostics......................................................................................28

Running the ePSA diagnostics.....................................................................................................................................28

System diagnostic lights.....................................................................................................................................................28

Contents

Contents 3