6.3Quick Troubleshooting

Troubleshooting and Repair

6.3Quick Troubleshooting

This section summarizes problems that may develop during system operation and lists suggested corrective actions to isolate problem properly.

Table 6-5 (a) Quick Troubleshooting

Problem or Symptoms

 

Corrective Actions

No power (Power LED not on)

1.

Check that the AC adapter is plugged into the DC-IN

 

 

connector of the notebook. Also, that the AC adapter is

 

 

plugged into a properly grounded AC power outlet.

 

2.

If using the battery as main power source, check if the

 

 

battery pack is of the right type, charged and is inserted

 

 

correctly.

 

3.

Check the internal Battery board of the notebook if it is

 

 

inserted into the main board connector properly.

 

 

Otherwise, replace the Battery board.

Power LED is on but no display

1.

Press power button for 4 seconds to reset hardware

and system does not turn on

 

settings. Check if Power LED turns off.

 

2.

Check memory module if it is inserted properly. Try to

 

 

check also the module on the internal slot.

 

3.

Reset CMOS RTC.

 

4.

Replace memory module, CPU module, or Battery

 

 

board.

Display on the LCD is

1.

Adjust the brightness display controls.

unreadable

2.

Check if installed VGA driver is correct and resolution is

 

 

 

set according to LCD size and type.

 

3.

Check if the LCD cables are inserted properly. Check

 

 

also connections inside the LCD panel.

 

4.

Check LCD inverter board inside LCD panel if faulty.

 

5.

Check the North Bridge chip on the main board if there is

 

 

any cold or loosed soldering.

 

6.

Replace the main board.

LCD screen does not show

1.

Check the LED Status Bar if Power Saving mode is

display

 

activated. Press any key or press the power button to

 

 

resume operation and display.

 

2.

Check if the display output is switched to the external

 

 

monitor.

 

3.

Check if there is power.

 

4.

Check if LCD cables are disconnected or loosed.

 

5.

Replace LCD Inverter board found inside the LCD Panel.

Battery Power does not last or

1.

Make sure that the power management options under

does not read properly under

 

OS Setup are enabled and set properly.

Win98 / Win Me

2.

Recharge the battery pack for at 3 least hours before

 

 

 

using again.

 

3.

Discharge and recharge the battery twice (Battery Low-

 

 

Low Suspend Off) to allow more accurate reading of

 

 

battery meter under Windows 98 or Windows Me.

 

4.

Replace the battery pack.

 

 

 

6-10

FIC A360 Service Manual

Page 145
Image 145
FIC A360 service manual Troubleshooting and Repair, 5 a Quick Troubleshooting