the maximum charging capacity of a
Notebook battery decreases over time
causing the battery to lose its ability
to accurately gauge its true charge
capacity calibrating a battery resets
the battery gauge and ensures the
battery recharges
completely this video shows two methods
for automatically testing and
calibrating the battery as well as a
method for manually calibrating the
battery HP system Diagnostics is a
useful tool for testing and calibrating
the
battery to begin disconnect the power
cord from The
Notebook then turn off the
notebook wait a couple of seconds and
turn the notebook back
on immediately press the Escape key and
repeatedly press
it when the startup menu opens select
system Diagnostics by pressing the F2
key when the
hppc hardware Diagnostics UE fi window
opens click the battery test
button the battery test window opens and
shows the amount of time for the battery
test and the estimated time for the
battery battery to be
calibrated click the start battery test
button when the battery test is complete
a window opens showing the test results
in this example the battery passed the
test and you do not need to take any
action if the system detects a problem a
brief solution for the problem such as
calibrate or replace shows here follow
the onscreen instructions to resolve the
problem HP support assistant is another
tool for testing and calibrating the
battery start by typing HP support
assistant on the start
screen select HP support assistant from
the results
list when HP support assistant opens
click the battery and performance box
click the HP battery check
button a test in progress screen opens
and displays until the test is
complete then the result screen opens in
this example the battery status is okay
if the HP support assistant detects a
problem a brief solution to the problem
such as calibrate or replace shows here
follow the onscreen instructions to to
resolve the
problem you can also manually calibrate
your Notebook
battery during the manual calibration
cycle the battery must be completely
charged completely discharged and then
recharged again with the power adapter
connected to the notebook allow the
battery to charge until the level
reaches 100% after the battery is fully
charged you need to drain it completely
to do this turn Turn The Notebook
off and disconnect the power
cord press the power button to turn on
the
notebook immediately press the Escape
key and repeatedly press it when the
startup menu opens select system
Diagnostics by pressing the F2
key running the hard dis dis test is a
good way to completely drain the
battery click hard disk
test and click the start hard drive test
button then click extensive
check leave The Notebook on until it
shuts down from lack of battery
power next you will need to completely
recharge the
battery connect the power cord to the
notebook
and turn on the
notebook when the charge level reaches
100% leave the power cord connected for
at least 3
hours to verify the battery is properly
calibrated run a battery test with the
power cord still connected Turn The
Notebook power off wait a few seconds
and turn the power back on immediately
press the Escape key and repeatedly
press it when the startup menu opens
select system Diagnostics by pressing
the F2
key select battery
test click the start battery test
button when the test is complete the
battery test shows the calibration
status as passed if the battery status
shows calibrate try calibrating the
battery again if the battery still
doesn't calibrate it might need to be
replaced you can find additional helpful
videos at
hp.com/supportvideos and on our YouTube
channel
youtube.com/ howto for you