You can manually turn on Silent Mode for a specified duration before you perform any important task on your computer. You can turn on Silent Mode for the allowable duration. The Norton product icon displays the turn-on status of Silent Mode in the notification area, at the far right of the taskbar. Your Norton product notifies you after Silent Mode is turned off. After Silent Mode is turned off, your Norton product also displays alerts if it detected any security activities that occurred during the Silent Mode session.
In the notification area on the Windows taskbar, right-click the Norton product icon, do one of the following: To turn on Silent Mode, click Turn on Silent Mode, and in the Select the duration drop-down list, select how long you want to turn on Silent Mode.
You can turn on or turn off Silent Mode from the Administrative Settings window or Quick Controls in the Settings window. You can also turn on or turn off Silent Mode by using the Norton product icon in the notification area.
Turn on or turn off Silent Mode from the Administrative Settings window
- Start Norton.If you see the My Norton window, next to Device Security, click Open.
- In the Norton product main window, click Settings.
- In the Settings window, click Administrative Settings.
- Under Silent Mode Settings, in the Silent Mode row, move the On/Off switch to On or Off.
- If you turn Silent Mode on, do the following:In the Turn on Silent Mode dialog box, in the Select the duration drop-down list, select how long you want to turn on Silent Mode.
- In the Settings window, click Apply.
- Click OK.
- Click Close.
![Mac Mac](/uploads/1/2/5/7/125701790/699156339.png)
Turn on or turn off Silent Mode from the notification area
- In the notification area on the Windows taskbar, right-click the Norton product icon, do one of the following:
- To turn on Silent Mode, click Turn on Silent Mode, and in the Select the duration drop-down list, select how long you want to turn on Silent Mode.
- To turn off Silent Mode, click Turn off Silent Mode.
- Click OK.
Turn off or turn on Silent Mode from Quick Controls
- Start Norton.If you see the My Norton window, next to Device Security, click Open.
- In the Norton product main window, click Settings.
- In the Settings window, under Quick Controls, do one of the following:
- To turn off Silent Mode, uncheck Silent Mode.
- To turn on Silent Mode, check Silent Mode, and select the duration for which you want Silent Mode to be turned on from the Turn on Silent Mode dialog box, and click OK.
When you press the power button to start up your Mac, you will be met with a boot chime that lets you know your system is healthy and ready to load OS X. However, this sound can be a bit intrusive, and there may be times when you would prefer to not have it play. Since sleep mode will not make such sounds when waking, you can always use it instead of shutting down your Mac; however, if you need to cold-boot your Mac, then you have a couple of approaches for muting that boot chime.
Hold the Mute key
The first option you have is to press and hold the mute key immediately after you press your power button or restart your Mac. Remembering this is best if you have to start up your Mac and you know the boot chime will sound.
Turn off system volumeUnplug all audio devices from your Mac, and then open the Sound system preferences. In here, go to the Output tab, and ensure your Internal Speakers device is selected. Now drag the output volume slider to the left to silence it. Note that this may only mute the startup sound on a restart, and not necessarily on a cold boot.
Disable the Boot Chimes completely
The system’s boot chimes are sounded by firmware, and the system uses a parameter RAM (PRAM) variable to set the volume of the boot chimes. Therefore, while you cannot technically prevent the sound from playing, you can turn off the system’s default audio volume to mute the sound when it plays. To do this, open the Terminal and run the following command:
Make a note of the value of this setting, which should be some hexadecimal value following a percent symbol. Now run the following command, to change the setting to 0:
The value %00 may not work for some Macs, so you can also try %80, or some other pair of characters from 0-9 and a-f, which may work depending on your system. You can always run the command and set the value back to the original value, or reset your Mac’s PRAM to have the system load defaults.
The SystemAudioVolume setting will be output when you run this command, and you can use this to revert any manual changes you make to this setting.
After making any changes to the system audio volume settings in the Terminal, be sure to shut down your Mac and start it up cold in order to test the change, and do not simply reboot your system. Your Mac will likely preserve the current audio volume when only restarting, and this may change when you start up from scratch.
Can you change the boot chime?
As with a ringtone, you might be interested in changing your Mac’s boot chime to something more unique; however, this sound is stored in the system’s firmware and cannot be accessed by users. Therefore while possible, you will very likely do more damage than good in an attempt to modify this aspect of your system.
Are there benefits to the boot chime?
While it may seem pointless, the boot chime is a status indicator and not just a welcoming sound. When it sounds, the system is telling you that all hardware components have checked out and the system is ready to load the system software. If there are hardware problems, then you will otherwise get beeps that indicate the error at hand. By completely disabling the system volume using the terminal commands above, you chance not hearing these sounds as well.