Toshiba Satellite Pro R50-D Series User Manual page 75

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Replacing the battery pack
Be aware that the battery pack is classified as a consumable item.
The operating life of the battery pack will gradually reduce through
repeated charging and discharging, and should be replaced when it
reaches the end of its operating life. In addition to this, you might also
replace a discharged battery pack with a charged spare when you are
operating your computer away from an AC power source for an extended
period of time.
This section explains how to remove and install the battery pack, and
begins with the removal process which is detailed through the following
steps.
Removing the battery pack
To remove a discharged battery, do the following:
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User's Manual
Operate the computer on battery power for five minutes. If you find
that the battery pack has at least five minutes of operating time,
continue operating until the battery pack is fully discharged. However,
if the DC IN/Battery indicator flashes or there is some other warning
to indicate a low battery condition, go to Step 4.
Connect the AC adaptor to the DC IN 19V jack of the computer, and to
a wall outlet that is supplying power. The DC IN/Battery indicator
glows amber to indicate that the battery pack is being charged.
However, if DC IN/Battery indicator does not glow, this indicates that
power is not being supplied. Check the connections for the AC adaptor
and the power cord.
Charge the battery pack until the DC IN/Battery indicator glows white.
Do not remove the battery pack while the computer is in Sleep Mode,
as data is stored in RAM, so if the computer loses power it might be
lost.
In Hibernation Mode, data will be lost if you remove the battery pack or
disconnect the AC adaptor before the save is completed.
Do not touch the battery release latch while holding the computer or
the battery pack might fall out due to the unintentional release of the
battery release latch and cause injuries.
Save your work.
Click Start -> (Power) and then click Shut down while holding
down the SHIFT key. Ensure that the Power indicator is off.
Remove all cables and peripherals that are connected to the
computer.
Close the display panel and turn the computer upside down.
Slide the battery lock into its unlocked ( ) position.
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