
| Symptom / Error | Action in Sequence | 
| The system doesn’t  | Power source (battery pack and power | 
| 
 | adapter). See “Power System Check” on page | 
| 
 | 71. | 
| 
 | 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 71. | 
| 
 | 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 | Enter BIOS Setup Utility to execute “Load | 
| actual size. | Default Settings, then reboot system. | 
| 
 | DIMM | 
| 
 | System board | 
| 
 | 
 | 
Speaker-Related  Symptoms
| Symptom / Error | Action in Sequence | 
| In Windows, multimedia programs, no sound | Audio driver | 
| comes from the computer. | Speaker | 
| 
 | System board | 
| 
 | 
 | 
| Internal speakers make noise or emit no | Speaker | 
| sound. | System board | 
| 
 | 
 | 
Power Management-Related  Symptoms
| Symptom / Error | Action in Sequence | 
| The system will not enter hibernation | See “Save to Disk (S4)” on page 37 | 
| 
 | Keyboard (if control is from the keyboard) | 
| 
 | Hard disk drive | 
| 
 | System board | 
| 
 | 
 | 
| The system doesn't enter hibernation mode | Press Fn+o and see if the computer enters | 
| and four short beeps every minute. | hibernation mode. | 
| 
 | |
| 
 | Touchpad | 
| 
 | Keyboard | 
| 
 | Hard disk connection board | 
| 
 | Hard disk drive | 
| 
 | System board | 
| 
 | 
 | 
| Chapter 4 | 85 | 
