HP Compaq Presario,Presario R4000 Hardware And Software Manual page 53

Power
■
The system will not decrease hard drive speed while the
notebook is idle.
■
System-initiated standby will not occur.
To fully discharge the battery pack:
1. Disable hibernation. To disable hibernation:
a. Select Start > Control Panel > Performance and
b. Clear the Enable hibernation check box
2. Select Start > Control Panel > Performance and
Maintenance > Power Options > Power Schemes tab.
a. Record the power scheme displayed in the Power
b. Use the Power schemes drop-down list to select the
c. Record all settings in the Running on batteries column,
d. Use the drop-down lists in the Running on batteries
e. Select OK.
3. Disconnect the notebook from the external power source,
but do not turn off the notebook.
4. Run the notebook on battery power until the battery pack is
fully discharged. When the battery pack is fully discharged,
the notebook is shut down.
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Maintenance > Power Options > Hibernate tab.
schemes field so you can reapply it after the calibration.
Always On power scheme.
so you can reset them after the calibration.
column to set each item in the column to Never.
.
Hardware and Software Guide