Service manual

Power Management: Dell Inspiron 4150
Power Options Properties
To access the Microsoft® Windows® Power Options Properties window:
1. Click the Start button and click Control Panel.
2. Under Pick a category, click Performance and Maintenance.
3. Under or pick a Control Panel icon, click Power Options.
Power Schemes Tab
The Power schemes drop-down menu displays the selected preset power scheme. Depending on your
operating system, typical power schemes are:
● Portable/Laptop
● Home/Office
● Always On
● Presentation
● Minimal Power Management
● Max Battery
HINT: Use the Portable/Laptop power scheme to maximize battery
power.
Windows XP controls the performance level of the processor depending on the power scheme you
select. You do not need to make any further adjustments to set the performance level.
Each preset power scheme has different time-out settings for entering standby mode, turning off the
display, and turning off the hard drive. For more information on power management options, see the
Windows XP Help and Support Center (see "Accessing Help").
Alarms Tab
HINT: To enable audible alarms, click each Alarm Action button and select Sound
alarm.
The Low battery alarm and Critical battery alarm settings alert you with a message when the
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