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How practise I adjust my brightness or contrast on my laptop?

Updated: 06/06/2021 by Computer Hope

If you are having trouble adjusting the brightness or dissimilarity of your laptop display, continue in mind that every model of laptop (and every operating arrangement) is a piddling dissimilar. Common ways to conform the brightness and dissimilarity on a laptop computer are provided below.

Tip

Some of the options on this page work for adjusting brightness or contrast on a desktop reckoner also.

Adjusting brightness using your laptop'due south keys

PC

On most laptops, y'all tin can suit the brightness of the display using special keys on the keyboard. The keys are usually marked with the brightness symbol ().

Often, the brightness keys are function keys which have a special function if you press them while holding down the Fn fundamental.

The Fn primal is usually located to the left of the spacebar. The brightness function keys may be located at the height of your keyboard, or on your arrow keys.

For example, on the Dell XPS laptop keyboard (pictured below), hold the Fn cardinal and printing F11 or F12 to conform the effulgence of the screen.

Other laptops have keys dedicated entirely to brightness control. On the HP Chromebook keyboard (pictured below), there is no Fn central — press the brightness keys.

Chromebook

To change the brightness on a Chromebook, you'll need to push ane of the two adjustment keys. The small gear lowers the brightness, and the large gear raises it. They are located at the top of the keyboard, as y'all can run into in the red rectangle below.

Adjusting brightness in the operating system

Yous can also adjust your screen'south brightness using software controls on your operating system:

• Windows ten
• Windows viii
• Windows 7
• Apple macOS
• Linux

Windows 10

In Windows 10, in that location are several ways to adjust the display brightness.

• Using the taskbar'southward battery icon
• Using the Windows Mobility Heart
• Using the Command Panel

Using the taskbar's bombardment icon

1. Click the battery icon on your taskbar.
2. In the ability status window, click the effulgence tile. Each time you lot click the tile, your brightness will be adjusted by 25%.

Using the Windows Mobility Center

1. Open the Power User Tasks Menu past right-clicking the Start card icon, or by pressing Windows key+X.
2. Click Mobility Heart (or press B).
3. In the Mobility Center, adapt the brightness slider.

Using the Control Panel

1. Open the Control Panel.
2. Click Adjust commonly used mobility settings.

3. In the Mobility Centre window, adjust the brightness slider.

Adjusting brightness in Windows eight

1. Open the Charms bar.
2. Select the Settings charm.
3. Select the brightness icon.
4. Move the slider upwards and downwardly with your mouse, or by pressing the upwardly and down arrow keys on your keyboard.

Adjusting brightness in Windows 7

1. Open the Command Console.
2. Select Hardware and Sound.
3. Select Ability Options.
4. Use your mouse to motility the brightness slider at the bottom of the window.

Adjusting brightness in macOS

1. From the Apple Menu, choose Organization Preferences.

2. Click Displays.

3. Employ the brightness slider to arrange effulgence. If you want your brightness to change automatically based on the ambience light near your computer, check the box marked Automatically adjust brightness.

Adjusting brightness in Linux

Many window managers in Linux offer brightness controls in their settings console. For case, on Ubuntu systems with the Unity window director:

1. Click the icon at the correct of the card bar.
2. Choose Organization Settings.
3. Select Brightness & Lock.
4. Adapt the brightness slider.

If your laptop uses Intel or NVidia graphics, y'all can too utilise a convenient command-line tool called xbacklight. It can be installed using almost parcel managers. For case, on Ubuntu or Debian systems:

sudo apt-get update && sudo apt-become install xbacklight

To utilize xbacklight, specify the option -gear up percentage , where per centum is a number from 0 to 100. For instance, to set brightness to one-half:

xbacklight -ready 50

To set brightness to total:

xbacklight -set 100

You can also increase or decrease the effulgence by a percentage. To increase the effulgence by 10%:

xbacklight -inc 10

For a complete list of options, view the manual:

human xbacklight

Adjusting contrast

Most laptops don't have contrast controls at the hardware level, just you tin configure your operating system to use a high-dissimilarity brandish style.

• Windows ten
• Windows viii
• Windows 7
• macOS
• Linux

Adjusting contrast in Windows 10

1. Hold the Shift and Alt keys on the left side of the keyboard, and press the Print Screen primal.
2. In one case asked if you want to turn on Loftier Contrast manner, click Yep.

To switch back to Normal Contrast fashion, echo step ane, and Loftier Contrast way will be canceled.

If pressing the key combination doesn't bring upwardly the High Contrast prompt, yous can enable it in the Ease of Access carte:

1. Open the Control Panel.
2. Click Ease of Access.
3. Select Ease of Access Center.
4. Cull Make the computer easier to see.
5. Make sure that Turn on or off High Contrast when is checked.
6. Click OK.

Adjusting contrast in Windows 8

1. Open up the Charms bar.
2. Click Settings.
3. Select Ease of Admission.
4. Under Loftier Contrast, click the push button to plough High Contrast way on or off.

Adjusting contrast in Windows 7

1. Open the Command Panel.
2. In the search bar, blazon window color.
3. Click Modify window color and metrics.
4. Under Basic and high-contrast themes, choose a high-contrast theme.

Adjusting contrast in macOS

1. From the Apple Menu, choose Organisation Preferences.
2. Click Accessibility.
3. Click the Increase Contrast checkbox, and use the Display contrast slider, to adjust your display.

Adjusting dissimilarity in Linux

At that place are command line tools to adjust the contrast of your screen such equally xgamma and xcalib. These can fine-melody any reductions in your screen'south default contrast level.

To increase contrast above defaults, near window managers offer a high-contrast theme to make your screen easier to run into. In Gnome-based window managers, such as Ubuntu Unity, follow these steps:

1. Open a last window.
2. Run the command gnome-control-center to launch the command eye window.
3. Click Universal Access.

4. Plough on High Contrast.

Controlling screen effulgence in your Power Options

Afterward adjusting your laptop's brightness, it should retain the new settings automatically. If the brightness settings are not retained after a estimator restart, they are probably being overridden by settings in the Power Options card. If this is the case, you'll need to create a custom power programme, which can exist done past accessing the Power Options utility in the Command Panel.

• How to adapt power, standby, and sleep settings.

Commuter bug

If the cardinal combination method is non working and you've made the appropriate adjustments in Power Options, it is likely your computer has a video commuter problem. Driver issues ordinarily occur after updating the video drivers. Monitor drivers tin also cause this trouble. To resolve any potential monitor related issues, reinstall the monitor by following the steps below.

1. Open the Windows Device Manager
2. Click the + or arrow next to Monitors to expand the listing.
3. Highlight any detected monitors under Monitors and press delete to remove them from the reckoner.
4. Once the monitors are removed from Device Director, under Action, click Scan for Hardware changes to let Windows re-detect the monitor and install the applicative drivers.

Finally, nosotros besides recommend downloading the latest video drivers directly from the video menu manufacturer. If this trouble was caused considering you updated the drivers, install an before version of the video drivers to see if that resolves the issue.

• Information and help with computer video drivers.

Laptop brightness is still not enough or screen is black

If, after following the steps above your effulgence is nonetheless non enough, plug your laptop into the wall. If the laptop is plugged in but nonetheless is not vivid enough, try the suggestions on the folio linked beneath.

• My laptop figurer screen is black.

Source: https://www.computerhope.com/issues/ch000594.htm

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