How to adjust the brightness of Lenovo Z400?

I'm using this one, and it's been less than a month. I pressed f11 (which is brightness-) and the brightness couldn't be turned back. The computer is win7 32-bit flagship version,Volume and other keys are normal,It's just that the two keys to adjust the brightness don't respond.。

At first, I wanted to adjust the brightness of the screen from the power management.,But it's useless.,Then I looked at the driver again.,It doesn't seem to be a problem.,Later, when I rebooted, I pressed F12 instantly.,It's okay! Hope it helps.

Settings - Display - Brightness, you can adjust it.

1. Open the Start Menu --- Settings in the lower left corner.

2. After clicking on the settings, we come to the page of the home page settings, and under this page we need to click on the display of the system.

3. After clicking Display, we click on the display under the left column in turn.

4. A progress bar will be displayed on the right, and this progress bar can be adjusted by dragging the mouse.

The steps to adjust the screen brightness are as follows:

1. Adjust by shortcut keys.

Scope of application: Lenovo series notebook, ThinkPad series notebook.

1. Find the following icon on the notebook keyboard and adjust it through the FN shortcut. For example, the up and down arrow keys of the keyboard indicate brightness adjustment, press fn+ if you need to increase the brightness, and press fn+ to decrease the brightness. As shown in Fig

Note: Some models do not need to cooperate with the FN function key, and can be adjusted by pressing directly; The shortcut keys for adjusting the brightness of the screen in the notebook will have the following layouts:

1) FN with up and down arrow keys.

2) FN with F5 or F6 keys.

3) F11 and F12 keys.

4) FN with home or end key.

2. Use the system power option to adjust the screen brightness.

Scope of application: Windows 8, Windows 7, Windows Vista (Note: Windows XP system is not supported).

There are three ways to adjust the screen brightness:

1. How to adjust the brightness in the operating system used (take win10 as an example):

Method 1]: Click the start menu bar, then select Settings - System - Display Options, you can see the brightness level on the right side, drag the brightness bar left and right with the mouse to adjust the brightness of the screen.

Method 2]: Click the notification function button on the right side of the taskbar, find the brightness adjustment function button in the pop-up interface, and click the brightness adjustment function button with the left mouse button to modify the brightness by 25%, 50%, 75%, and 100%.

Part 2: How to adjust the brightness in the type of computer used (take Lenovo notebook as an example):

Method 1: Shortcut key adjustment].

1. At present, mainstream Lenovo notebooks generally adjust the screen brightness through F11 and F12 shortcut keys. Press f12 to increase the brightness, and f11 to decrease the brightness.

How to use: If you need to increase the brightness, press fn+; To reduce the brightness, press fn+.

Method 2: Use the system power option to adjust the screen brightness

Scope of application: Win10 Note: Windows XP system is not supported).

1. Find the power status icon in the lower right corner of the taskbar, right-click, and click "Adjust Screen Brightness" in the pop-up menu.

2. In the pop-up power options window, use the left mouse button to drag the slider of "Screen Brightness" at the bottom to adjust.

Part 3: How to adjust the brightness in the type of graphics card used (take Intel graphics card as an example).

1. Right-click on the blank space of the desktop and click "Graphic Properties";

2. Click "Display" after bringing up the interface;

3. After entering the monitor interface, click "Color Settings";

4. Then adjust the brightness and other settings;

4. If the brightness cannot be adjusted by the above methods, it may be that the graphics card driver is not installed or the driver is abnormal, and the graphics card driver can be reinstalled.

Dear Lenovo users, hello!

It is usually regulated by F11 and F12.

IDEA Forum.

Think Forum.

Lenovo Community.

If you don't add the FN key, you can directly adjust F11 and F12, F1 is the mute key, and F2 and F3 are the volume adjustment keys. Of course, there are other shortcuts, but these are the most commonly used! Hope to adopt...

ctrl+f11'Press F11 at the time of booting

There are four ways to mediate the brightness of your computer:

Lenovo Z400 screen brightness adjustment method one.

1. Reboot the Lenovo Z400;

2. When the Lenovo logo is displayed on the screen, press F11 and F12 to adjust the screen brightness.

Lenovo Z400 screen brightness adjustment method two.

1. Generally, the fn key is used, and you will find that there will be a sun-like icon on the Lenovo Z400 laptop, one plus is F8, and one minus is F7;

2. Then you can use the shortcut key fn+f8 to increase the brightness, and use the shortcut key fn+f7 to reduce the brightness; You can also use the fn+arrow keys to adjust the brightness of the screen.

Lenovo Z400 screen brightness adjustment method three.

1. Click on the menu bar in the lower left corner, find "Control Panel", click on "Control Panel", find "Power Options" among the many options, and click to enter;

2. At this time, in the new pop-up window, you can make some modifications to your computer display;

Lenovo Z400 screen brightness adjustment method four.

1. At the bottom of the Lenovo Z500 display, there are 4 adjustment buttons, one of which is the main menu key, and the two on its left are adding, subtracting, and subtracting;

2. Press the menu button first, and then press the left and right buttons to find the screen brightness option;

3. Then press the menu button, and then you can press the plus or minus keys to adjust the brightness of the screen.

Dear Lenovo users, hello!

It is recommended that you uninstall and reinstall the power management driver and graphics card driver. If that doesn't work, restore the BIOS settings, back up the data, and reinstall the system.

IDEA Forum.

Think Forum.

Lenovo Community.

F11 and F12 can be adjusted directly. If not, press and hold fn+f11 f12

You can change the power management and you're good to go.