dynabook TECRA A40-J Series Maintenance Manual

Maintenance Manual (960-945) 2-25
Troubleshooting Procedures
Disassemble the computer following the steps described in Chapter 4,
Replacement Procedures, and perform the following checks:
Check 1
The connection between Secure Pad and System board may be
loose. Make sure the cables are firmly connected to both the
Secure pad and system board. If the problem still occurs, go to
Check 2.
Check 2
The cables may be faulty. Replace it with a new one. If the
problem still occurs, perform Check 3.
Check 3
The Secure pad may be faulty. Replace it with a new one. If the
problem still occurs, perform Check 4.
Check 4
System board may be faulty. Replace it with a new one following
the step in Chapter 4, Replacement Procedures.
2.15 Web camera Troubleshooting
To check if the computer’s web camera is malfunctioning or not, follow the
troubleshooting procedures below as instructed.
Procedure 1: Check on Windows OS
Procedure 2: Connector Check and Replacement Check
2.15.1 Procedure 1 Check on Windows OS
Use the application software which is originally installed in the computer to
check if the web camera can record/replay still images and moving images
(including sound) without problems.
Click Start -> Camera to open the Camera app.
If any troubles occur on recording/replaying of still or moving images,
perform Procedure 2.
2.15.2 Procedure 2 Connector Check and Replacement Check
If Web camera malfunctions, there may be a bad connection between web
camera and system board, or either of these two components might be
faulty. Disassemble the computer following the steps described in Chapter
4 and perform the following checks.
Check 1
<System board>
CN9510
Secure Pad
(Touch pad)
Click pad I/F
CN9550
KB fingerprint sensor I/F

dynabook TECRA A40-J Series Specifications

General

Brand	dynabook
Model	TECRA A40-J Series
Category	Laptop
Language	English