HP ProBook 6550b HP ProBook User Guide - Windows Vista - Page 83

Step 2: Disable Hibernation and Sleep, Step 3: Discharge the battery, System and Maintenance

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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 Maintenance > 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. To discharge a battery: 1. Unplug the computer from its external power source, but do not turn off the computer. 2. Run the computer on battery power until the battery is discharged. The battery light begins to blink when the battery has discharged to a low battery level. When the battery is discharged, the battery light turns off and the computer shuts down. Using battery power 73

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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 Maintenance
>
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.
To discharge a battery:
1.
Unplug the computer from its external power source, but do
not
turn off the computer.
2.
Run the computer on battery power until the battery is discharged. The battery light begins to blink
when the battery has discharged to a low battery level. When the battery is discharged, the battery
light turns off and the computer shuts down.
Using battery power
73