and attempt to power the unit up. If the unit powers up, replace the inverter board.

b. Disconnect the display cable from the display panel and power the unit up. If the unit powers up, replace the display panel.

c. Replace the display cable.

3. Replace the system board.

===========================================================================

Table 5-13. Solving System Start Problems

===========================================================================

ProblemProbable Cause Solution(s)

===========================================================================

System powers up (LEDs

Bad contacts

Replace system board.

on) but it does not

between processor

 

begin POST.

board and system

 

 

board.

 

 

------------------------------------------------

 

Defective

Replace system board.

 

processor board.

 

 

------------------------------------------------

 

Defective system

Replace system board.

 

board.

 

===========================================================================

Table 5-14. Solving Standby Problems

===========================================================================

ProblemProbable Cause Solution(s)

===========================================================================

The power/standby button

Defective keyboard

Replace

the keyboard

is pressed,

but the unit

assembly.

assembly.

does not go

into

------------------------------------------------

 

standby.

 

Defective system

Replace

the system board.

 

 

board.

 

 

===========================================================================

Table 5-15. Solving Battery Problems

===========================================================================

ProblemProbable Cause Solution(s)

===========================================================================

Battery indicator

Low battery beeps

Use Power Management to

flashes to indicate low

were turned off.

turn on the low battery

battery condition, but

 

warning beeps.

computer does not beep.

------------------------------------------------

 

Volume is turned

Press the Fn + F5 keys.

 

on/off.

 

---------------------------------------------------------------------------

Battery indicator

Battery pack

is

No action is necessary.

doesn't light and

already

charged.

 

battery pack won't fast

------------------------------------------------

 

 

charge.

Battery

pack

was

Allow time for the battery