Toshiba Satellite A660 Series Maintenance Manual

2Troubleshooting Procedures
Satellite A660/A665 Series Maintenance Manual
65
2.28 3G Troubleshooting
START
Perform Windows application test
(Procedure 1)
Was a 3G problem detected?
Perform system info and electric wave check
(Procedure 2)
Replace 3G antenna/unit
Replace system board
END
Yes
3G system is not
faulty. Continue
troubleshooting - refer
to Figure 2.1
No
Figure 2-27 3G troubleshooting process
Notes: 3G Antenna assemble rule as below:
color of antenna
Assemble location
Red antenna
Main/1
Blue antenna
Aux/2
The 3G antenna wire, 3G unit or system board may each be the source of a 3G fault. Any of
these components may be damaged. To determine if the computer’s wireless LAN system is
functioning properly, perform the following procedures. Figure 2-27 outlines the process.
Start with Procedure 1 and continue with the other procedures as instructed.
Procedure 1: Windows Application check

Toshiba Satellite A660 Series Specifications

General

Optical Drive	DVD SuperMulti Drive
Wireless	Wi-Fi 802.11b/g/n
HDMI	Yes
Battery	6-cell Lithium-ion
Processor	Intel Core i5
RAM	4GB or 8GB DDR3
Storage	Up to 640GB HDD
Graphics	NVIDIA GeForce GT 330M
Operating System	Windows 7 Home Premium or Professional
Webcam	Yes, with built-in microphone
Audio	Stereo speakers, Dolby Advanced Audio
LAN	10/100 Ethernet
Card Reader	Multi-Card Reader
USB Ports	3 x USB 2.0
Ports	Microphone input, Headphone output