dynabook PORTEGE X40-J Series User Manual

Problem Procedure
Battery does not
charge when the AC
adaptor is attached.
If the battery is completely discharged, it will not
begin charging immediately. In these instances,
wait a few minutes before trying again. If the
battery still does not charge, check that the power
outlet the AC adaptor is connected to its supplying
power. This can be tested by plugging another
appliance into it.
Battery does not
power the computer
as long as expected
If you frequently recharge a partially charged
battery, the battery might not charge to its full
potential. In these instances, you should fully
discharge the battery and then attempt to charge it
again.
Real-Time Clock
Problem Procedure
The BIOS setting
and system date/
time are lost.
The lasting time of the Real-Time Clock (RTC) has
run out. You must set the date and time in the
dynabook Setup Utility by using the following
steps:
1. Launch the dynabook Setup Utility.
Refer to the dynabook Setup Utility section for
further information.
2. Set the date in the System Date field.
3. Set the time in the System Time field.
4. Follow the on-screen instructions to proceed.
User's Manual 6-6

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