MacBook Pro :: Right Channel Output Not Working Properly?
Sep 10, 2014
I recently purchased a Retina Macbook Pro 15" no more than 3 months ago.Â
Today I just noticed that whenever I connect my headphones I can hear the left channel clearly but the right channel is a lower volume and distorted.Â
at first I thought it was the headphones, but have tried various ones and it doesn't seem to be that.Â
Also, output from the internal speakers sounds fine, same level on both channels and clearÂ
Info:
MacBook Pro with Retina display, OS X Mavericks (10.9.4)
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Jun 7, 2009
I cannot get right channel out from either the built-in line out jack on the rear of my mac, or the front headphone jack. On the system preferences panel when I slide the balance to the right everything goes out. I first thought it was just an itunes issue, but the sound problem carries over with DVD playback.
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Jun 27, 2012
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MacBook, Mac OS X (10.5.8)
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Apr 24, 2012
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Info:
MacBook Pro
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Jan 19, 2010
I have purchased a optical audio cable to hook up my 15" mbp to my LCD.One end is the toslink and the other end is the toslink adapter, when I put both end into its place. The speaker icon turns gray and I cannot adjust the sound level and the music stops from the laptop speaker.Also, the optical digital audio out option is not showing up in audio preference.
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Jun 12, 2010
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Feb 23, 2010
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Sep 8, 2009
Starting about 4 months ago my 3 year-old 2.0GHz Core Duo MacBook's wireless started to not work very well. What was happening is that after starting the computer or waking it from sleep, it was able to connect to my network, but after about 5 seconds it would lose the signal despite being physically very close to the router without anything to block the signal. The problem progressively got worse, and at its worst it was only able to connect about 1 in 10 times. Either it wouldn't find the network at all, or it would find it but couldn't connect because "The connection timed out" or something like that.
I never bothered fixing the problem because my Mac was having a bunch of other issues at the time, so I was just going to fix them all by doing a fresh install of Snow Leopard once it came out.
So 3 days ago I did a fresh install of Snow Leopard (I formatted the harddrive then did a fresh install, not an archive and install). Unfortunately, it only kinda helped the wireless problem: I can now connect half the time rather than 1 in 10 times like it used to be.
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Oct 4, 2009
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Feb 10, 2010
I've got a macbook pro unibody and basically of the two usb ports. The lower one is working fine
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Mar 21, 2012
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Info:
MacBook Pro, Mac OS X (10.5.4)
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Apr 10, 2012
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Info:MacBookPro, Mac OS X (10.6.8)
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Jun 30, 2012
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MacBook Pro with Retina display, Mac OS X (10.7.4)
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Jun 2, 2014
I own an 11-inch Mid-2011 MacBook Air. The internal camera flickers on and off and occasionally shuts down completely. Before recent OX update, it didn't come on at all.
Info:
MacBook Air, OS X Mavericks (10.9.2)
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Jul 11, 2009
My sound has completely quit working. In the sound system prefs I get a massage saying "No output devices found". If I press the volums button keys the onscreen display comes up but has a 'no access' icon on it (a circle with a line through it). The icon in the toolbar has also vanished and there's just a blank space in its place.
Oddly whatever happened also seems to have effected my ability to view Flash movies -*the will play for a few seconds an then pause *they don't stutter they just pause. I think that whatever the issue is it was caused by a force shut down. All my applications were hanging so I had to press down the power button for a few seconds. Since then nothing!
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Mar 27, 2012
All of the sudden the sound on my MacBook is no longer working. When I look at System Preferences>Sound>Output it says there are no devices found, even when I plug in external speakers.
Info:
MacBook Pro, Mac OS X (10.5.2)
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May 21, 2012
I have owned my MacBook Pro since June 2010, and have always used a pair of independently powered (via adapter) external Dell speakers for audio output. Since upgrading to Lion about 1 month ago, I was having intermittent audio issues, which were resolved by re-starting my computer (not ideal but it worked). Today, the speakers just stopped working. The internal speakers work, but when I plug the externals into the headphone port, they don't produce sound. Earbuds in the same port also don't work (I know the earbuds are good). The external speakers are being recognized by the sound panel in system preferences.
Info:
MacBook Pro, Mac OS X (10.7.4)
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I have a one month old "late 2011 model" unibody Macbook Pro where the HDMI output just suddenly stopped working with no changes in configuration. I've tried resetting the PRAM and SMC, switched HDMI cables, cold rebooting everything, tried different HDMI ports, different resolutions on the TV and switched audio output settings, nothing works. When I plug the cable in the Mac switches resolutions, recognizes the TV in the Displays preference panel and correctly identifies it as a Toshiba, but doesn't send any audio or video signals to the TV.
Info:
MacBook Pro (15-inch Late 2011), Mac OS X (10.7.4)
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Mar 4, 2008
Well just installed XP on my boot camp partition. Here is my issue:1. The trackpad doesn't seem to be working properly. It's showing under device manager fine but the 2 finger right-click option isn't working. 2. Is the keyboard supposed to be backlit in XP?3. The sound buttons on the keyboard are not working (f11-f12)
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Jun 14, 2010
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Jun 23, 2010
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May 18, 2012
In-built webcam isn't working properly
Info:MacBookPro
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May 31, 2012
I am using a MacBook Pro 15inch (bought last April) Recently I have noticed that after short periods of time of using it, the laptop seem to get very very hot, a lot more than usual. I have also noticed that the fans get quite loud when it is doing some heavy processing, but a lot more than normal..My main concern is hot it gets, is there some way to check if my fans are working properly.
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Aug 30, 2014
I have a late 2010 MacBook Air that is running OS X 10.9.3 .
Lately I have noticed that my delete key is now working as a backspace key.
This is super annoying and I have tried googling the problem, but I haven't found a solution yet.
Also, my top row of keys (volume, brightness, etc,) are not working unless I hold down the fn key.
Info:
MacBook Air, OS X Mavericks (10.9.3)
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Sep 12, 2010
I have a 17" unibody MBP (most current version) with 10.6.4, and I downloaded the recent firmware updates for the MBP's. Before I did this, the mini port to HDMI video/audio output was working perfectly, I could watch anything right off my MBP. After installing the updates, when I plug in the cable, my MBP flickers, goes blue, and then comes back, but the TV does not detect the signal from the laptop. In the Display and Sound menus in System Preferences, there's no option to set up a second display like there was before.
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Jul 12, 2009
The sound output in my Macbook Pro has been going in and out now for a number of months. And yesterday it finally got stuck on "Digital Output" meaning when I take out headphones from the jack, the internal speakers do not work. I am planning on taking it in and wanted to know, since I am still under warranty will Apple repair it, or give me a new one?
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