How to turn off the startup sound on the computer, how to turn off the start up sound of the laptop

If you need to temporarily turn off the Apple computer boot sound, you can press and hold the [F10] mute button on the keyboard when you turn it on; If you need to turn off the Apple computer boot sound for a long time, you can enter ** in [Terminal] (if you need to restore it, you can re-enter [sudo nvram -d systemaudiovolume]**). The specific introduction is as follows:

Method 1: F10 shortcut.

1. Keep pressing and holding the [F10] mute key on the keyboard to turn off the [dong] sound. Generally F10 key;

Method 2: Use commands, please be cautious that using commands may cause system instability.

1. Open the [Terminal] program in [Applications] - [Utilities];

2. Enter sudo nvram bootaudio=%00 and press enter, and enter the system administrator password to turn off the boot sound;

3. If you want to recover, you can enter sudo nvram bootaudio=%01;

4. If you want to close it permanently, you can enter it.

Method 3: With the help of small software.

1. Install Auto Mute on Mac, click the icon in the menu bar after opening, open the Auto Mute preference panel, and check the first two options in the panel.

If you need to temporarily turn off the Apple computer boot sound, you can press and hold the [F10] mute button on the keyboard when you turn it on; If you need to turn off the Apple computer boot sound for a long time, you can enter ** in [Terminal] (if you need to restore it, you can re-enter [sudo nvram -d systemaudiovolume]**). Here's a closer look:

1. If you need to temporarily turn off the boot sound of the Apple computer, you can press and hold the [F10] mute button on the keyboard after booting;

2. If you need to turn off the Apple computer boot sound for a long time, you can enter ** in [Terminal] (if you need to restore it, you can re-enter [sudo nvram -d systemaudiovolume]**).

How to turn off the boot sound on the computer, open the [Control Panel] Find [Sound] in the Control Panel and open it, switch to the [Sound] tab after opening the sound window, select [Windows Login] in the program, and remove this tick from the sound when starting below.

The steps to solve the problem are as follows:

1. Press the "Windows+X" key to bring up the menu and click "Control Panel".

2. Click "Uninstall the program".

3. Click "Enable or Disable Windows Features" on the left side of the pop-up window.

4. In the pop-up window, find "Windows Media Player" in the ** function, and check it to cancel.

5. The pop-up window prompts, click "Yes". Then restart your computer and the problem will be solved.

Here's how to turn off the boot sound:(Computer-type big staring number:Lenovo G480,System version:Windows7 Ultimate,Software version:None)

1. Click the Start Menu in the lower left corner of the desktop

2. Find "Control Panel" in the pop-up menu bar and click to enter:

3. Find "Appearance and Personalization" in the control and panel dismantling, and click to enter:

4. Find "Change Sound Effect" and click to enter

<>6. Finally, click OK to turn off the computer boot sound: