To fully charge the battery:
1.
Insert the battery into the computer.
2.
Connect the computer to an AC adapter, optional power adapter, optional expansion product, or
optional docking device, and then plug the adapter or device into external power.
The battery light on the computer turns on.
3.
Leave the computer plugged into external power until the battery is fully charged.
The battery light on the computer turns off.
Step 2: Disable Hibernation and Sleep
1.
Click the battery meter icon in the notification area, and then click
More power options
.
– or –
Select
Start
>
Control Panel
>
System and Security
>
Power Options
.
2.
Under the current power plan, click
Change plan settings
.
3.
Record the
Turn off the display
and
Put the computer to sleep
settings listed in the
On
battery
column so that you can reset them after the calibration.
4.
Change the
Turn off the display
and
Put the computer to sleep
settings to
Never
.
5.
Click
Change advanced power settings
.
6.
Click the plus sign next to
Sleep
, and then click the plus sign next to
Hibernate after
.
7.
Record the
On battery
setting under
Hibernate after
so that you can reset it after the
calibration.
8.
Change the
On battery
setting to
Never
.
9.
Click
OK
.
10.
Click
Save changes
.
Step 3: Discharge the battery
The computer must remain on while the battery is being discharged. The battery can discharge
whether or not you are using the computer, but the battery will discharge faster while you are using it.
●
If you plan to leave the computer unattended during the discharge, save your information before
beginning the discharge procedure.
●
If you use the computer occasionally during the discharge procedure and have set energy-
saving timeouts, expect the following performance from the system during the discharge
process:
◦
The monitor will not turn off automatically.
◦
Hard drive speed will not decrease automatically when the computer is idle.
◦
System-initiated Hibernation will not occur.
70
Chapter 5 Power management
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