For Seniors: Adjust Display Settings on a Windows 8.1 Laptop
Your Windows 8.1 laptop will allow you to modify the display settings as needed. If the display is too dim or too bright, don’t worry, you can change it to suit your eyes.
From the Control Panel, choose Hardware and Sound. The Hardware and Sound window appears.
Click the Power Options link.
Find the selected power plan. (There's a dot in the radio button to the left of it.)
To the right of the selected power plan, click the Change Plan Settings link.
In the Edit Plan Settings window that appears, modify any of the following display settings to control the laptop when it’s running on the battery and you haven’t used it for a time — keeping in mind that the longer your screen stays on, the more power it uses:
Turn Off the Display: Sets the time interval after which the screen goes black.
Put the Computer to Sleep: Indicates the time interval after which the computer sleeps. See the next task for more on this option.
Adjust Plan Brightness: Adjusts the preset screen brightness; a less-bright screen saves power.
Click the Save Changes button to close the Edit Plan Settings window and save your new settings.
You can adjust many settings for screen brightness and modify your power plan in the Mobility Center, a kind of control panel for many common settings such as brightness, volume, and your power plan. From the Control Panel, choose Hardware and Sound, and then click the Windows Mobility Center link.
You can also use the Brightness setting in the Settings panel that you access from the Charm bar to quickly adjust brightness. Just press Win+I, and then click Brightness. Use the slider to make the screen brighter or dimmer.