Checkpoint

Cause and Solution

 

Have you been pressing any

On this computer, if the power management functions are set

of the keys?

and no key is pressed for a certain period of time, the CPU stops

 

 

and the LCD panel backlight goes out. (In this state, pressing

 

 

any key lights up the backlight again.) If the computer stops too

 

 

frequently, change the BIOS setup settings.

Is it set to output to the CRT?

Switch over to the LCD display with the [Fn] + [F10] keys.

LCD panel hard to read

 

 

 

 

 

 

 

Checkpoint

Cause and Solution

 

Is the control adjusted?

Adjust the brightness with the brightness and contrast controls.

Battery is not charged

 

 

 

 

 

 

 

Checkpoint

Cause and Solution

 

Is the AC adaptor connected?

Check that the AC adaptor is correctly plugged into the power

 

 

socket and into the computer.

 

Is the battery overheated

If the ambient temperature is high and the battery temperature

(The

on the LCD display

becomes too high during use, the battery protection function

flashes.)?

may be triggered to stop the charging.

 

Is the computer too cold

If the battery temperature falls too low, the battery protection

(The

on the LCD display

function may be triggered to stop the charging.

flashes.)?

 

 

Was the charging stopped

If you use the computer and disconnect the AC adaptor between

midway?

 

the start of charging and the time the

LCD turns off, then

 

 

the battery will not become fully charged.

 

 

 

Once you start charging do not remove the AC adaptor until the

 

 

LCD turns off.

 

SECTION 3

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Fujitsu S4545, S4546 manual LCD panel hard to read