How to adjust power, standby, and sleep settings

Updated: 08/31/2020 by Computer Hope
Power button

You can adjust the power, standby, and sleep settings in Microsoft Windows and through the CMOS setup. Select a link below for where you want to adjust the settings.

Windows Vista, 7, 8, and 10

Tip

Laptop users can also click the power icon in their notification area to get to the power settings.

  1. Open the Control Panel.
  2. Click Hardware and Sound.
  3. Click Power options or Change power-saving settings.
  4. Click the Change Plan link under any of the plans to get the Edit Plan Settings window as shown below. If you want to prevent your computer from going into Standby mode or turning off the screen, select Never. You can also change the amount of time before the screen is turned off or the computer goes into Standby mode by selecting a different time limit.

Windows power plan settings

The window that opens (shown above) allows you to change settings for turning off the display and whether or not to put the computer to sleep. You can also change additional advanced settings by clicking the "Change advanced power settings" link. When you have completed the power settings changes, click the Save changes button before closing the window.

Windows 95, 98, ME, 2000, XP

  1. Open the Control Panel.
  2. Double-click the Power, Power Management, or Power Options icon depending on your version of Windows.
  3. On the Power Schemes tab, click the down arrow by System Standby and select Never. If you're running an earlier version of Windows, disable the option to turn off hard drive and monitor by clicking the down arrow and selecting Never. You can also change the amount of time before the screen is turned off or the computer goes into Standby mode by selecting a different time limit.

Windows XP power options

macOS

  1. In the Dock, click the System Preferences System Preferences gear icon.

System preferences icon

  1. In the System Preferences menu, near the bottom, click Energy Saver.

Energy Saver shortcut

  1. In the next window that opens, you can select how long until the monitor goes to sleep, and five other options.

Energy Saver menu

Through CMOS setup

Computers running variants of Linux or other operating systems may also want to disable the power settings through CMOS setup. In CMOS setup, a power category allows you to enable and disable power management.