Elitegroup U40-50SA - Manual (Page 34)

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Battery Low Warning
When the pack initially reaches the “Battery Low” state
approximately 7 ~ 10 minutes of the usable battery life is left.
You will hear an audible beep signal every 15 seconds alerting you
to the “Battery Low” status. When the battery power reaches the
“Battery Low Low” status the beeping sound will accelerate.
Your battery now has 1 ~ 2 minutes of battery charge remaining.
You must save your data or connect AC power immediately;
otherwise, you may lose your data.
Sound Meaning
Continuous
beeping every 5
seconds Battery Low: Indicates that there is 7 to 10 minutes
charge remaining.
Beeping
accelerates Battery Low Low: Indicates that there is 1 to 2
minutes of battery charge remaining. Save your
work and turn off the Notebook, or connect the AC
adapter.
When there is only one minute of battery charge remaining, the
Notebook will suspend to the HDD and power off. You should
connect AC power and resume to save your work.
Small Battery for the Real Time Clock
There is a small built-in battery pack that supplies power to the
system in order to maintain certain system information while the
power is off.
If the Notebook is left without a power source for long period of
time, this battery will be exhausted and system information will be
lost.
Danger of explosion if battery is
incorrectly replaced. Replace only with the same or equivalent
type recommended by the manufacturer. Dispose of used
batteries according to the manufacturer's instructions. Never
remove the battery pack while the power is on as this may
result in data loss when the system loses power.
Resetting the System
After installing a software application package, you may be
prompted to reset the system to load the changed operating
environment.