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SECTION 3
Checkpoint
Have you been pressing any
of the keys?
Is it set to output to the CRT?
Cause and Solution
On this computer, if the power management functions are set
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.
Switch over to the LCD display with the [Fn] + [F10] keys.
LCD panel hard to read.
Checkpoint
Did you adjust the
brightness?
Cause and Solution
Adjust the luminance of the LCD’s backlight with the [Fn] + [F6]
keys or [Fn] + [F7] keys on the keyboard.
Battery is not charged.
Checkpoint
Is the AC adaptor connected?
Is the battery overheated
(The
on the LCD
display flashes.)?
Is the computer too cold
(The
on the LCD
display flashes.)?
Was the charging stopped
midway?
Cause and Solution
Check that the AC adaptor is correctly plugged into the power
socket and into the computer.
If the ambient temperature is high and the battery temperature
becomes too high during use, the battery protection function
may be triggered to stop the charging.
If the battery temperature falls too low, the battery protection
function may be triggered to stop the charging.
If you use the computer and disconnect the AC adaptor between
the start of charging and the time the
LCD turns off, the
battery will not become fully charged, Once you start charging
do not remove the AC adapter until the
LCD turns off.
The remaining battery charge indicator does not stop flashing.
Checkpoint
Is the battery connected
correctly?
Is the battery low?
Cause and Solution
Check that the battery is connected correctly. If it is connected
correctly, there is an abnormality in the battery pack, so replace
the battery pack.
Attach the AC adaptor and charge the battery.
