dynabook PORTEGE X40-J Series Maintenance Manual

Maintenance Manual (960-942) 4-10
Replacement Procedures
4.10.2 Installing the Base Assembly
To install the Base Assembly, follow the steps below and refer to Figure 4-3
to Figure 4-5.
1. Set the Cover Assembly on the Base Assembly while securing the
latches.
Figure 4-5 Installing the Base Assembly
2. Secure the Cover Assembly and Base Assembly with the screws.
3. Turn the computer, and open the display.
For models with 0GB/4GB/8GB/16GB memory module installed:
■ When replacing the Base Assembly with a new one, stick a new INSU
BASE MEM on the new Base Assembly in place.
INSU BASE MEM
1
1
2
3
4
5
When securing the Base Assembly, be sure to drive the screws in the
order of the number on Figure 4-3.

dynabook PORTEGE X40-J Series Specifications

General

Graphics	Intel Iris Xe Graphics
Wireless	Wi-Fi 6 (802.11ax), Bluetooth 5.1
Processor	Up to 11th Gen Intel® Core™ i7 Processors
Display	14.0" FHD (1920 x 1080) Anti-glare
RAM	Up to 32GB DDR4
Storage	Up to 1TB PCIe SSD
Operating System	Windows 10 Pro
Weight	Approx. 1.05 kg
Security	Fingerprint Reader, TPM 2.0
Ports	2 x Thunderbolt 4, 1 x USB 3.2, HDMI, microSD card slot