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dynabook PORTEGE X40-J Series Maintenance Manual

dynabook PORTEGE X40-J Series
155 pages
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Maintenance Manual (960-942) iv
Table of Contents
Chapter 1 Hardware Overview
1.1 Features and System Unit Block Diagram . . . . . . . . . . . . . . . . 1-1
1.2 SSD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
1.3 Keyboard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1.4 Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
1.5 Power Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8
1.6 Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
1.7 AC adaptor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
1.8 USB Type-C Adapter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Chapter 2 Troubleshooting Procedures
2.1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1
2.2 Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2
2.3 Power Supply Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 2-5
2.4 System Board Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . 2-9
2.5 USB Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-11
2.6 SSD Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-13
2.7 Keyboard Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-14
2.8 Touch Pad (Click Pad) Troubleshooting . . . . . . . . . . . . . . . . . 2-14
2.9 Display Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-16
2.10 Wireless LAN + Bluetooth Troubleshooting . . . . . . . . . . . . . 2-17
2.11 Sound Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-18
2.12 Memory media (SD Card) Slot Troubleshooting . . . . . . . . . . 2-20
2.13 Fingerprint sensor Troubleshooting . . . . . . . . . . . . . . . . . . . 2-21
2.14 Web camera Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . 2-23
2.15 HDMI Port Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . 2-24
2.16 USB Type-C adapter Troubleshooting. . . . . . . . . . . . . . . . . . 2-25
Chapter 3 Tests and Diagnostics
3.1 Test program for maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
3.2 How to execute the test program . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.3 Entry of the DMI information . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-4
3.4 Heatrun Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-6

Table of Contents

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dynabook PORTEGE X40-J Series Specifications

General IconGeneral
GraphicsIntel Iris Xe Graphics
WirelessWi-Fi 6 (802.11ax), Bluetooth 5.1
ProcessorUp to 11th Gen Intel® Core™ i7 Processors
Display14.0" FHD (1920 x 1080) Anti-glare
RAMUp to 32GB DDR4
StorageUp to 1TB PCIe SSD
Operating SystemWindows 10 Pro
WeightApprox. 1.05 kg
SecurityFingerprint Reader, TPM 2.0
Ports2 x Thunderbolt 4, 1 x USB 3.2, HDMI, microSD card slot

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