BenQ U101 Series User Manual page 53

The battery indicator on my Joybook Lite suggests that the
battery is fully charged. However, when I check it from the
Power Manager on Windows, the battery level is only about
95%-99%. Why?
It is the result of the battery protection design of your Joybook
Lite. When the battery indicator on your Joybook Lite goes off,
it means that the battery has reached a saturated voltage:
95%~99%. At this moment, the voltage difference detected by
your Joybook Lite is very small, so it will reduce the charging
current to prevent overcharging the battery with excess current
or voltage, which will damage the battery. Moreover, in order to
protect the battery from exposing to high voltage and current
for a long time during charging, the battery has been equipped
with a protection circuit that will charge the battery at low
current in the final phase.
How come my notebook is not fully charged even after a full
night charge?
Make sure the Joybook Lite is receiving power. Is the power cord
plugged in correctly? If the battery is installed in the Joybook
Lite and it is properly connected to an AC outlet, check if the
battery meter icon is showing a charge sign. If this does not fix
the problem, then the battery, the power source in your Joybook
Lite, or the AC power cord may be defective. Consult your BenQ
dealer for help and maintenance.
What should I do if the battery gets hot in my Joybook Lite?
Take the battery out and let it cool down for a while. If the
problem persists when the battery is inserted again into your
Joybook Lite later, the battery could be defective and it may need
to be replaced. Consult your BenQ dealer for help and
maintenance.
I have pressed the Power button, but my Joybook Lite cannot
start up.
Check the Power button indicator.
• If it is not lit up, your Joybook Lite is not being supplied by
power, either from an external power source via the power
adapter or from the battery pack. Make sure you have
connected the power adapter correctly to the power jack of
your Joybook Lite and a working electrical outlet, so the
battery can start charging.
• If the Power button indicator lights up in amber, the
Joybook Lite is being supplied normally with power,
meaning that the problem lies elsewhere.
• If you have added any hardware, such as a memory
module, check if it has been installed correctly.
• It is possible that certain operating system files are
damaged or missing. If so, you may need to back up all
your data first, and then recover your system. Refer to
"Recovering your system using QDataTrove" on page
40 for details.
Why does the battery on my Joybook Lite seem to last shorter
and shorter?
It is normal for Lithium-ion (Li-ion) batteries to decline in
capacity over time.
FAQ and troubleshooting 49