Set the format type to Mac OS Extended (Journaled.) Click on the Erase tab in the DU main window. Click on. Restart your Mac. To mute, decrease, or increase the volume on your Mac, press F10, F11, or F12 on your keyboard, respectively. No sound is coming out at all. (Apple menu > Restart…) I was messing around with the 3 volume keys on my macbook when suddenly it became locked! My EndNote library gives the warning that "The Library is Locked or it is on a Locked Volume", while none of it is true. all i need is that my macbook air is stuck on mute and when i go into settings then sound, the mute box in stuck grey and i can't do anything about it and i can't unmute it. left side list. Your Mac will automatically start it again, which could resolve the volume lock problem if it was a software issue caused by that process. i cant turn up the sound or turn it down. If the lock at the bottom right is locked , click it to unlock the Get Info options, then enter an administrator name and password.. Click a user or group in the Name column, then choose a privilege setting from the pop-up menu. This may help. I try to turn it up or down and the volume screen pops up but there's a symbol underneath the volume saying I … And my disks are: Macintosh HD Macintosh HD - Data Macintosh HD - Data - Data. If after trying the two above steps your Mac’s volume is still locked, you will have to try restarting the computer. Getting the following: "Macintosh HD" is locked" Pop-up message on every start up. Restart your Mac. If the information in Sharing & Permissions isn’t visible, click the arrow .. The library and the volume both have read and write permission. 3. When i click the sound up or down buttons, all it does in show the icon with an ø a the bottom, showing that i can not turn up or down the volume. For example, as you can see below, if the Sharp TV is selected, you will get the volume icon like above if you try to adjust the volume on your Mac. 4. I am trying to use Disk utility First Aid … I am facing the same issue on Mac with EndNote 7.7. To see if any of the volume keys where stuck on my keyboard I pressed each key a couple of times nothing happened to the volume bar and they weren't stuck, then I went to the volume icon on the task bar and turned the volume up to the maximum and it made the notification sound but then by itself turned the down to mute from 100 to 99, 98 etc.. the Security button and set the ZeroData option to one-pass. Optionally, click on. the Erase button and wait until the process has completed. On your Mac, select a disk, folder, or file, then choose File > Get Info. To enable the volume slider in the menu bar, click the Apple menu → click System Preferences → click Sound → check the "Show volume in menu bar" box. Question: Q: Volume Control Locked I can't change my volume, it's staying muted. You can also change the volume with your keyboard keys or OLED Touch Bar. is there a way to fix this? Make sure you have the correct device for your audio selected. Report Inappropriate Content. I have the same problem with a new re-installation of Catalina. However, if you have to reboot your Mac several times or repeatedly reset the Core Audio API to get your sound working, you should probably take your computer in for a check-up. I have just wiped my iMac, and something must have gone wrong in the process as i cant change the boot drive by holding down option key and when i go to install reinstall macOS through macOS utilities when i select the 500GB hard drive the main one it just says "Disk is locked". sound lock on macbook? After DU loads select your startup volume (usually Macintosh HD) from the . 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