singopk.blogg.se - How to turn on macbook 12 inch

The media file might be corrupted, not downloaded properly, or have a missing header.You could have unintentionally changed your Mac's settings, causing the MacBook Pro no audio problem.There might be some problem with your browser if you are not able to play sound on it.The location where the sound's firmware is stored could be corrupted or some files might be missing.The essential components needed to play sounds on your Mac might not be loaded correctly.There could be a driver or firmware related issue with your Mac.The hardware component (like speakers or headphones) might not be working properly.In this way, it would be easier for you to identify the problem and fix it quickly. Part 5: How to Prevent The MacBook No Sound Issue?īefore I get into the details and start the troubleshooting guide, let's discuss some of the common reasons causing the MacBook no sound issue.Part 4: How to Fix Sound Not Working on MacBook Browsers?.Part 3: What to do if Sound is Not Playing in Videos?.Part 2: Mac Solutions to Fix Sound Not Working on MacBook.Part 1: Why Is Sound Not Working on Mac?.Originally, a C major chord was recorded by Apple engineer Jim Reekes using a Korg keyboard, but what most users will hear these days is a pitch-shifted version of the sound made by the Macintosh Quadra family of professional computers, first released in 1991. A similar sound accompanied almost every Mac boot sequence since 1991 and the most recent F-sharp chord incarnation was first used in the iMac G3. The iconic chiming startup sound was originally made to indicate that diagnostic tests had found no hardware or software issues. If you want to get rid of the chime after re-activating it, simply repeat the steps above but replace the Terminal command in step 2 with the following: sudo nvram StartupMute=%01.

Make sure the volume is up, and with a little bit of luck, you'll hear that soothing F-sharp chord sound the next time your Mac boots up.

Enter your admin user password when prompted.

Input the following command and then press Return: sudo nvram StartupMute=%00.

This will open a Terminal window and a command prompt for you to begin typing.

Launch the Terminal app, which can be found in the Applications/Utilities folder.

If you yearn for that classic Mac sound, follow these steps to re-instate it. However, the latest trick – first shared in the MacRumors Forums by BigMcGuire – appears to have a high success rate, although depending on your Mac model, your mileage may vary. Apple disabled the startup sound on new Macs in 2016, and while a couple of tricks have worked in the past to get the chime back, updates to macOS appear to have stopped them working. The discovery of a simple Terminal command that brings back the classic startup chime on newer Macs has gone viral in recent days.