Power Management-Related Symptoms
Symptom / Error | Action in Sequence |
|
|
The system doesn't resume from hibernation/ | Connect AC adapter then check if the system resumes from |
standby mode. | Standby/Hibernation mode. |
| Check if the battery is low. |
| Hard disk drive |
| Main board |
|
|
The system doesn't resume from standby mode | LCD cover switch |
after opening the lid of the portable computer. | Main board |
|
|
Battery fuel gauge in Windows doesn’t go higher | Refresh battery (continue use battery until power off, then charge |
than 90%. | battery). |
| Battery pack |
| Main board |
|
|
System hangs intermittently. | Reconnect hard |
| Main board |
|
|
Peripheral-Related Symptoms
Symptom / Error | Action in Sequence |
|
|
System configuration does not match the | Enter BIOS Setup Utility to execute “Load Setup defaults”, then |
installed devices. | reboot system. |
| Reconnect hard |
| Main board |
|
|
External display does not work correctly. | Press Fn+F5, LCD/CRT/Both display switching |
| Keyboard |
| Main board |
|
|
USB does not work correctly | Main board |
|
|
Print problems. | Enter BIOS Setup Utility to execute “Load Default Settings” then |
| reboot the system. |
| Run printer |
| Printer driver |
| Printer cable |
| Printer |
| Main board |
|
|
Parallel port device problems | Enter BIOS Setup Utility to execute “Load Default Settings” then |
| reboot the system. |
| Device driver |
| Device cable |
| Device |
| Main board |
|
|
Keyboard/Touchpad-Related Symptoms
Symptom / Error | Action in Sequence |
|
|
Keyboard (one or more keys) does not work. | Reconnect the keyboard cable. |
| Keyboard |
| Main board |
|
|
Touchpad does not work. | Reconnect touchpad cable. |
| Touchpad board |
| Main board |
|
|
106 | Chapter 4 |
