dynabook TECRA A40-J Series Maintenance Manual

Maintenance Manual (960-945) G-1
Appendix G
BIOS Rewrite Procedures
This Appendix explains how to rewrite the system BIOS program when you
update the system BIOS.
G.1 Tools
To rewrite the BIOS, you need the following tool:
■ BIOS/EC/KBC rewriting disk
G.2 Rewriting the BIOS
1. Turn off the power to the computer.
2. Remove the external cables and cards.
3. Set the USB Flash Memory containing BIOS rewriting data.
4. Turn on the power while holding down the tilde character key or 半 / 全
key Until LED blinks
For example
(US Keyboard)
(UK Keyboard)

dynabook TECRA A40-J Series Specifications

General

Operating System	Windows 10 Pro
Battery Life	Up to 10 hours
Graphics	Intel Iris Xe Graphics
Bluetooth	Bluetooth 5.1
Processor	Intel Core i5-1135G7 or i7-1165G7
Display	14.0" FHD (1920 x 1080) Anti-Glare
RAM	8GB/16GB DDR4
Storage	256GB/512GB SSD
Wireless	Intel Wi-Fi 6 AX201
Ports	2 x USB 3.2 Type-A, 1 x USB 3.2 Type-C, HDMI, Ethernet, MicroSD card slot
Security	Fingerprint Reader, TPM 2.0
Webcam	HD Webcam