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If the sound on your Mac has stopped working, there are a number of possible explanations and solutions. The first thing to check is that the sound definitely is not working. Below we'll explain what to check.

No sound on Mac? Check these things first

1. Check the volume

As simplistic as it may seem, the first thing to check is that the volume hasn’t been muted intentionally. Tap the volume up (F12) key to turn up the sound level.

Pro tip: If you hold down Option+Shift when you press F12 or F11 to increase or decrease the volume, it will move in smaller increments than the full step changes that occur when you use the keys on their own.

2. Is it an app problem?

It may be that there’s no sound on your Mac because it won’t play audio in a specific app. If, for example, you can’t hear sound from a video in Safari, make sure the audio isn’t muted, by clicking the volume control in the video. You should also check other sound sources, like iTunes and QuickTime movies to find out if they can play sound.

Tip: if you’re fed up with websites you visit automatically playing video with sound when you’re working, go to Safari>Preferences and click the Websites tab. Click Autoplay, and in the bottom right of the window, choose Stop Media with Sound.

3. Check for hardware issues

Next, check there’s nothing plugged into the headphone/line out port and look to see if there’s a red light on that port. If there is, it could be there’s a problem with the port, or something blocking it. Try blowing on it to clear dust, if that’s the case.

4. Are you running the latest version of macOS?

If there’s still no sound on your Mac, Apple’s advice is that the first thing you should do is make sure you’re running the latest version of macOS.

To check which version of macOS your Mac is running, click the Apple menu and then About this Mac. The window that opens will have the name of the version of macOS currently installed at the top. Now the latest version is macOS High Sierra. If you’re not running High Sierra, you should consider installing it by going to the App Store app, and clicking on it in the sidebar on the right hand side of the main window.

If you don’t want to install High Sierra, at least make sure you’re running the latest update to whichever version of the OS is installed. To check that, click Software Update in the About this Mac window. That will check for updates and let you know if there’s one available. If there is, install it.

Before you install either a new version of the OS or an update, backup your Mac using Time Machine, or whichever backup tool you normally use.

5. Run Maintenance scrips

If you’ve determined your Mac’s sound definitely isn’t working, consider running CleanMyMac X’s Maintenance scripts. These optimize the performance of your Mac by running a number of routines such as repairing disk permissions, verifying your startup disk, and rebuilding the launch services database.

Here's how to run Maintenance scrips:

Download CleanMyMac X here (it's free to download).

1. Launch the app.
2. Click Maintenance.
3. Choose Run Maintenance Scripts and click Run.

Following this link, you can get CleanMyMac at 20% off.

How to check your sound settings

If you’re running the latest version of macOS and your sound still isn’t working, the next step is to check your Sound settings.

1. Click on the Apple menu and choose System Preferences.
2. Click on the Sound pane.
3. Select the Output tab and choose Internal Speakers. If that’s not available as an option, contact Apple Support.
4. Check if the volume slider is low, if so slide it to the right and check the sound again.
5. Make sure the Mute box isn’t checked.

If, when you check your sound settings, you see a USB device selected rather than Internal Sound, and you can’t change it, disconnect all USB devices from your Mac and try again.

Is there an app interfering with the sound?

Some applications, like screen recorders, install their own audio output drivers so that when you record the screen you can direct your Mac’s output to the recording app. It’s possible that if you’ve installed an app like that, its driver could be interfering with your Mac’s sound output.

1. Go to System Preferences and choose Sound.
2. Click on the Output tab.
3. If there’s an output option that looks like a software app and it’s selected, that may be why the sound is not working on your Mac.

The best thing to do in that instance is to uninstall the app. You could just drag the app to the Trash, but that won’t uninstall it properly or remove all the files the app has placed on your Mac. To do that, you should use a dedicated uninstaller like CleanMyMac X.

CleanMyMac makes it very easy to completely uninstall any app so that it doesn’t leave any fragments or stray files behind. By using CleanMyMac, you can be sure you’ve deleted all the files associated with the app and that it hasn’t left anything behind. You can download CleanMyMac for free here.

Restart the sound controller

If there are no software audio drivers interfering with your Mac’s sound output, nothing plugged into the headphone jack, USB, or Thunderbolt ports, and your sound still doesn’t work, the next step is to restart the sound controller. This requires launching Activity Monitor and quitting a process, but don’t worry, it’s not too scary!

1. Go to Applications>Utilities and double-click on Activity Monitor to launch it.
2. In the search bar, type 'coreaudiod’ to locate the Core Audio controller.
3. Click on coreaudiod, then click ‘X’ in the tool bar to quit it.
4. Coreaudiod will restart.

Mac volume not working and stuck on mute?

If the volume control is not working on your Mac, either using the keyboard or the slider in the menu bar or System Preferences, it could be ’stuck’ on mute. The most common occurrence of this problem is on pre-2015 Macs that had a digital audio output support in the headphone jack.

On those Macs, there was a sensor in the port that detected whether a headphone jack or a digital audio device was plugged in. The Mac would then change the output to headphones or digital output accordingly. However, sometimes the sensor failed to recognise when a digital audio device had been unplugged and so the audio output remained locked on digital output, with no way to change it. With no digital audio output connected, there is no way to change the volume or hear sound.

The solution in that case is to plug the cable back in to the socket and remove it again. Try it a few times, if necessary, to ‘trip’ the sensor and make the Mac recognise the digital audio device is no longer connected. If that doesn’t work, there could be some gunk blocking the socket. Try blowing on it to remove any dust. If that doesn’t work, buy a can of compressed air and, carefully, spray the socket to bow out the dust.

If that still doesn’t do the trick, buy a foam-tipped swab (don’t use a cotton bud as these leave tiny threads behind) and dip it in rubbing alcohol. Put the swab into the headphone jack and clean it, wiping away as much of the link as possible.

Bluetooth sound not working on Mac

Your Mac can play audio wirelessly via Bluetooth, so if you have Bluetooth speakers or headphones, you can use those to listen to music, or anything else on your Mac. Sometimes, however, they don’t work.

Make sure Bluetooth is switched on.

1. Go to System Preferences and click the Bluetooth pane.
2. If it says Bluetooth turned off, turn it on.

Make sure your headphones or speakers are connected.

1. Look in the list of devices in the main window to see if your headphones or speakers are listed.
2. If not, put them in pairing mode (you’ll need to refer to their instructions to find out how to do that) and when they appear, click Connect.
3. If they are listed but not connected, make sure they’re switched on and Control-click on them in the main window and choose Connect.

Tip: If you check the box labelled Show Bluetooth in menu bar in Bluetooth preferences, you can connect from the menu bar item.

Once your headphones or speakers are connected, click on the volume control in the menu bar and choose them. If you don’t have the volume control displayed on the menu bar, go to System Preferences, choose Sound and then the Output tab and select the Bluetooth speaker or headphones. While you’re there, it’s a good idea to check the box labelled Show volume in menu bar — it’s in the Sound Effects tab.

To conclude, there are a number of reasons why the sound is not working on your Mac. If you follow the guide above and take it one step at a time, you should be able to fix the problem. If none of the steps above work for you, the next step is to contact Apple support and, if possible, make an appointment at the Genius Bar of an Apple Store. If that’s not possible, Apple will advise you on the best course of action to get your audio working again.

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. back. back.

back. back. back.Thomann is the largest online and mail order retailer for musical instruments, light and sound equipment worldwide, having about 10m customers in 120 countries and 80,000 products on offer.

We are musicians ourselves and share your passion for making it. As a company, we have a single objective: making you, our customer, happy.We have a wide variety of pages giving information and enabling you to contact us before and after your purchase. Alternatively, please feel free to use our accounts on social media such as Facebook or Twitter to get in touch.Most members of our service staff are musicians themselves, which puts them in the perfect position to help you with everything from your choice of instruments to maintenance and repair issues.Our expert departments and workshops allow us to offer you professional advice and rapid maintenance and repair services.

This also affects the price - to our customers' benefit, of course.Apart from the shop, you can discover a wide variety of additional things - forums, apps, blogs, and much more. Always with customised added value for musicians. Electric Guitar Multi-Effects Board. Quadcore processor. Eleven HD expanded DSP software. Built-in 24-bit 96 kHz onboard USB audio interface. Amplifier-, speaker- & microphone modelling: 33 amplifiers, 15 speakers, 10 microphones, 6 distortions, 5 EQs, 11 modulations, 7 reverbs / delays, and 5 expression modellings.

20 Min. Looper. 12 Footswitch and expression pedal.

7' Touch display. 1x Jack input. 2x XLR outputs with Ground Lift switch. 2x TRS jack outputs (switchable between amplifier signal and line signal). MID in/out. FX loop. Dimensions: 610 x 305 x 89 mm.

Weight: 7.26 kg. Gig back (optional - not included: Article Nr ).

At Firmware 1.2.1 there are just a few things they need to address:1) More modules, the Helix series are way ahead in this department.2) A few quirks in the firmware because is fairly new and needs to mature. But for the most part not a show stopper. No significant bugs.

My main gripe right now is not being able to store IRs in folders (can get real messy with lots of them)Overall the unit cannot be more solid in terms of hardware. That thing is massive and well built.The footswitches are clickless and a pleasure to work with.The included models so far are outstanding. The amps and cabs are superb and the set of included FX are gonna have you covered for the most part.Extensive I/O, certainly all you need.The more I dig into the unit and the system the more I love it.The handsfree nature of it is very effective. Once your presets are fully programmed you can navigate from macro to micro, from setlists to each individual parameter without having to lean down and tweak something with your fingers.The extra knobs and touchscreen have plenty of space around so I also use my feet sometimes to tweak something or use the touchscreen:DThe knobs layout is even friendly in this regard. I would say this feature alone is a big deal, it feels so much better when you can tweak your patch while still being able to play.

The big knob allows you to save using your foot too.The sound is PRISTINE!, no digital whine, no aliasing. The best you can get for a studio recording environment.It has plenty of horsepower, carefully reading reviews and comparing to the Helix series I would say it has about the same, potentially more if they improve the routing and allow for more modules if the user decides not to use the spill over feature.

(is yet to be seen)I can load two double amps and two double cabs and still have some power for FX. Despite what you heard, about the same as in a Helix.

In reality one amp and 3 cabinets is enough and you still have more power to populate all the rest of the slots with FXs.it has 1.9 GB of internal storage. After loading up the HR with tons of IRs they amounted for a total of only 100MB so there is plenty of space inside. EDIT: Now rocking 3800 IRs.and still I have plenty of space, this thing is a powerhouse.Handling Rigs and Setlists (backing up, installing) is really easy, you just need to enable USB transfer and it shows up just like a USB drive in your PC (windows here)Making setlists is pretty easy and is a great way to manage your content to quickly find it in your unit. Better than other pedalboards I've worked with were you have fixed slots. Suddenly having a ton of presets doesn't feel overwhelming to browse around.No problems with the drivers whatsoever, the USB interface ges up to 192Khz and works flawlessly.

You can even use the unit to reamp stuff from within your DAW.I give it 5/5 at it's current state. It will just get better and better from here on. Have had the headrush for about a month now and am fairly pleased with the unit. My previous units was a Boss GT-100 so this is definitely an upgrade.

Just a couple of notes:1. While the sound is excellent, I use the 4 cable method since I am a firm believer of not coloring my pre-amp. Am using a Roland Blues Cube Artist and it sounds great all by itself but I play in a cover band so I need to be versatile and this unit covers that.2. The instructions are pretty sparse but there are a multitude of demos on YouTube that are very helpful trying to figure out the unit. I have written to headrush a couple of times and their response took forever. Searching on the net is your best bet.3.

The pre-programmed effects are pretty horrible but thats pretty much the same on all these types of units. Do your own setup. I did and I?ve got it tweaked fairly well now.4. Volvo penta tamd 63p service manual. The touch screen makes the unit react like an iPad.

Absolutely amazing and extremely intuitive! After having the GT-100 for 3 years this was a godsend. After 3 years I was still trying to figure that think out.

No problems here though. Touch, execute, drop and drag. The learning curve is pretty steep.5. The provided effects are good and offer a endless variety of parameters but its not clear if you have selected a Tube Screamer or some other distortion unit. A lot of trial and error is required here but thats also part of the fun.

You?ll need a lot of experimentation here. £777Electric Guitar Multi-Effects Board Quadcore processor, Eleven HD expanded DSP software, Built-in 24-bit 96 kHz onboard USB audio interface, Amplifier-, speaker- & microphone modelling: 33. Design: Floorboard.

Recording / Playback Channels: 2x2. Amp Modeling: Yes. Number of Mic Inputs: 0. Tube(s): No.

Number of Line Inputs: 1. Drumcomputer: No. Incl. £479Multi-effects Processor for Guitar Pedal board with a range from classic and warm vintage amp sound with natural tube distortion, to wide ambient stereo delay textures with infinite feedback or. Design: Floorboard. Recording / Playback Channels: 2x2.

Tube(s): No. Number of Mic Inputs: 0. Amp Modeling: Yes.

Drumcomputer: No. Number of Line Inputs: 1. Number of Instrument Inputs: 1. Effects: Yes.

Incl. Tuner: Yes. Headphone Output: Yes. Expression Pedal: No. Number of Line Outs: 2.

USB-Port: Yes. Direct Out: No. Headphone Outs: 1. Phantom power: No. MIDI Interface: Yes.

Integrated Expression Pedal: No. Number of S/PDIF Connectors: 0. Number of ADAT Connectors: 0.

Line Out: Yes. Connections for Pedals or Switches: Yes. Battery Powered: No. Aux-Input: Yes. Numer of AES/EBU Connectors: 0. Number of MADI Connectors: 0. PSU included: Yes.

Integrated Tuner: Yes. Ethernet: 0. Other Connectors: No.

Drum-Computer: No. MIDI interface: Yes. Word Clock: No. Max. Sample rate (kHz): 96 kHz.

Max. Resolution in bit: 24 bit. USB Bus-Powered: No. Incl. Power supply: Yes.

USB Version: 2.0. Width in mm: 330 mm.

Depth in mm: 225 mm. Height in mm: 67 mm. Zero latency monitoring: No.