98
Chapter 4
The system doesn’t power-off.
Power source (battery pack and power adapter). See “Power
System Check” on page 87.
Hold and press the power switch for more than 4 seconds.
System board
Battery can’t be charged
See “Check the Battery Pack” on page 88.
Battery pack
System board
PCMCIA-Related Symptoms
Symptom / Error
Action in Sequence
System cannot detect the PC Card
(PCMCIA)
PCMCIA slot assembly
System board
PCMCIA slot pin is damaged.
PCMCIA slot assembly
Memory-Related Symptoms
Symptom / Error
Action in Sequence
Memory count (size) appears different from
actual size.
Enter BIOS Setup Utility to execute “Load Default Settings,
then reboot system.
DIMM
System board
Speaker-Related Symptoms
Symptom / Error
Action in Sequence
In Windows, multimedia programs, no
sound comes from the computer.
Audio driver
Speaker
System board
Internal speakers make noise or emit no
sound.
Speaker
System board
Power Management-Related Symptoms
Symptom / Error
Action in Sequence
The system will not enter hibernation
See “Save to Disk (S4)” on page 26.
Keyboard (if control is from the keyboard)
Hard disk drive
System board
The system doesn't enter hibernation mode
and four short beeps every minute.
Press Fn+
o
and see if the computer enters hibernation
mode.
Touchpad
Keyboard
Hard disk connection board
Hard disk drive
System board
The system doesn’t enter standby mode
after closing the LCD
See “Save to Disk (S4)” on page 26.
LCD cover switch
System board
Power-Related Symptoms
Symptom / Error
Action in Sequence
Содержание Aspire 7540 Series
Страница 6: ...VI...
Страница 12: ...4 Chapter 1 System Block Diagram For Aspire 7736 7736Z 7336 Series...
Страница 13: ...Chapter 1 5 For Aspire 7540 Series...
Страница 120: ...112 Chapter 6 Aspire 7736 7736Z 7336 Series and Aspire 7540 Series Exploded Diagram...
Страница 151: ...Appendix A 143 Model Definition and Configuration Appendix A...
Страница 182: ...174 Appendix B...
Страница 184: ...176 Appendix C...