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Why Is My Notebook Performance Slow While Running on Battery Power?

Summary: This article provides information on how to troubleshoot slow notebook performance while running on battery power under Microsoft Windows 7 and Windows 8/8.1.

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Article Content





1. Optimize the Power Options.


Note: Available Power Plans:
Balanced: This is the most commonly used setting for users will provide a middle ground of higher performance settings and power saving.
Power Saver: Reduced settings, for example, screen brightness to decrease battery consumption.
High Performance: Maximizes settings for components and performance including screen brightness. Increases the power consumption of the computer which in turn will decrease the available on battery.


Windows 8 / 8.1

  1. From the metro screen, start typing in power you will see the search box appear in the upper right-hand corner of the screen.
  2. Under the search box, you will see that the options for Settings click the icon.
  3. Then select Power Options
  4. You will then see the different options for power plans, click the down arrow beside Show additional plans.
  5. You will then see an additional option for High Performance
  6. Select this option.

Windows 7


To maximize performance while on battery, follow these steps:

  1. Click the Start button.
  2. Click Control Panel.
  3. Click System and Security, then Power Options.
  4. Under Select a power plan page, select Show additional plans, then select High Performance.
Note: Why cannot I change my power settings? - Check you have administrator rights to make changes to your computers settings. If you are using a company built computer these options may have been limited or made unavailable. The same applies if you are remotely logged into a computer.

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2. Browse the Dell Community Forum for More Information.


Browse the Dell Community Forums to find out what others in the Dell user community are saying. The Dell Community Forums provide a place for Dell users to discuss support topics, to learn, and to help each other. Use the message boards to post questions and answers.

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Additional Information




Article Properties

Affected Product

Inspiron, Latitude, Vostro, XPS, Retired Models

Last Published Date

06 Jul 2021



Article Type