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2 Troubleshooting
2.3 Power Supply
2-6
Satellite M40/M45 TECRA A4 dynabook Vx/4 Maintenance Manual
2.3 Power Supply
The power supply in the computer controls many functions and components. To check if the
power supply is defective or malfunctioning, follow the troubleshooting procedures below as
instructed.
Procedure 1
Power Icon Check
Procedure 2 Connection Check
Procedure 3
Replacement Check
Procedure 1 Power Icon Check
The following two power LEDs indicate the power supply status:
?
Battery LED
?
DC IN LED
The power supply controller displays the power supply status through the Battery and DC IN
LEDs as in the tables below.
?
Battery LED
Battery LED
Power supply status
On in Amber
Battery being charged
On in Green
Battery fully charged, with AC adapter connected
Blinking in Amber
(at equal intervals)
Battery low *1 while driving the computer
Off
Else
Summary of Contents for SATELLITE M40 Series
Page 2: ...ii S No ...
Page 12: ...Chapter 1 Hardware Overview ...
Page 13: ...1 Hardware Overview ii Satellite M40 M45 TECRA A4 dynabook Vx 4 Maintenance Manual ...
Page 71: ...Chapter 3 Diagnostic Programs ...
Page 74: ......
Page 142: ...Chapter 4 Replacement Procedures 4 1 ...
Page 143: ...4 Replacement Procedures 4 ii Satellite M40 M45 TECRA A4 dynabook Vx 4 Maintenance Manual ...
Page 213: ...6000 1 Appendices ...
Page 214: ...Appendices App ii Satellite M40 M45 TECRA A4 dynabook VX 4 Maintenance Manual ...
Page 217: ...Appendices Satellite M40 M45 TECRA A4 dynabooK VX 4 Maintenance Manual App v ...