External speaker static with external monitor

So my external monitors have almost always given me static. it's not that noticible when something is playing, but sitting idle, i get major static coming through the powered speakers.
Last night i disconneded my external monitor (samsung 19" Monitor, not a TV) and the hissing stopped. I've seen a few posts about static with TV's, HD out, but nothing on the external monitors. I can even take the cable and just put it close to the video out and the static kicks in.
I've got all my power running through a small ups, but apparently the monitor is the problem. any ideas? everything is grounded.

Try the monitor in a non-UPS outlet.

Similar Messages

MacBook Pro External Speaker Hum With External Display

When I plug my MacBook Pro into a set of external speakers, I get a loud-to-deafening hum depending on the volume that the speakers are set to. However, this only happens if I have an external monitor plugged in. I unplugged the macbook, and this did not stop the hum, and I turned off the extra display and this did not stop the hum, neither did actually unplugging it from its power source, the only thing that stops it is taking the vga cord out of the displayport to vga adapter.
Any ideas as to why this hum happens? It's not always just a static hum either, occasionally there are crackles, like from a record or something.

thinking that you are using a stereo cable 1/8" to 1/8" there can be a few explanations to that .. one the cable could damaged internally mixing audio signals .. or it can be that the wiring diagram is a bit off ( the jack has 3 connectors on it ) ..or the input you use on your speakers were not meant for a stereo cable .. the jack input you use on your speakers could be damaged ..or that hole you plug them in was not an input at all
Now that you are over the problem .. These don't really matter much ..
Take care

Quirky External Speaker Functionality with I Mac

Here we go - I recently upgraded from an older E Mac to a new I Mac. I moved my Harmon Kardon speakers from the E Mac to the new I Mac. The connection was via USB on the E Mac and is also via USB on the I Mac. However, most of the time the sound on the external speakers associated with the new I Mac is totally distorted. The speakers do appear on the Sound Tab. The big problem is that most times the sound on the external speakers is distorted with the I Mac but not all the time !. I cannot understand why sometimes the sound is distorted, and other times it is not. I have tried various ways of playing sound, but this problem seems to be totally random. Any ideas ?

The display was not added as it simply won't detect if the monitor is there, "no signal detected."
Yes the display worked fine prior to upgrading to Mavericks. I just tried the shut-down and then restarted, but still no luck... I'd hate to have to take it back to the apple store and have them look at it...

No external speaker sound with mac-mini running bootcamp win7 64

Hi,
I am unable to get external sound working with mac mini (september 2011) running windows 7 64 on bootcamp 4 (Lion). Drivers appear OK in device manager. Running seperate driver exe from bootcamp library results in a message that the best driver is working. Any suggestions? How do I know which audio driver I need? Where, specifically, can I download the correct driver? I have seen a reference to cirrus logig 4206B driver working but I can find no such driver anywhere. I can't figure out how to search for drivers on cirrus web site. Please help.
Thanks,
b

Ok, the solution in my case was to go back to MacOS, run the BootCamp assistant again, and have it re-download all the Windows drivers. Back in Windows 7, uninstall BootCamp, then reinstall. Now all the drivers work.
Apple has apparently updated/fixed their 64 bit drivers since I last tried to make it go. I would have thought that Apple Software Update (on Windows) or Windows Update would have picked up the newer drivers, but they didn't.

External Speaker Static: Problem with audio jack?

I don't believe that anyone on the forums had the same question.
I am having trouble with my macbook pro. Whenever I plug in external speakers, I get bad static (very loud, about as loud as the speaker's audio itself). I have tested this on multiple speakers and get the same results on all of them. When used on another computer, the speakers work fine. This suggests that it is something wrong with my audio jack for my mac.
I noticed that the 3.5 mm plug doesn't go all the way into the jack. There is about a millimeter millimeter or two of space This isn't much, but may be resulting in the static. I have tried forcing the plug all the way in, but it still does not go in. Any ideas?
I am trying to avoid having to get a bluetooth speaker or anything wireless.

Headphones don't induce grounding problems like external speakers. I am guessing the external speakers were all amplified speakers, with built-in amps and some sort of mains power supply. Perhaps you also have some peripherals such as a display connected to the Macbook Pro.
Try this: disconnect all peripherals from the MBP (including the Magsafe power plug) except the external speakers and see if you get static. I will also guess that the static is more of a whine/buzz that changes whenever the computer does something different.
If this works, then you have a common ground problem. The cheapest way to solve this is a Radio Shack ground loop isolator on the speaker cable,
http://www.radioshack.com/product/index.jsp?productId=2062214
High fidelity versions are also available, more like $300USD.

External Speaker Static

I recently bought a Macbook. This is the first time I've used a Mac and I am somewhat unimpressed thus far.
My Macbook makes a horrible sound every time I insert & eject a CD. I wonder if it's normal? It sounds like a normal sound I guess, but it is so loud it makes me wonder...
Also, last night while I was watching South Park online, the fan randomly turned on and started getting louder and louder and louder until it was terribly distracting/annoying. Then it slowly went away, and came back again a couple minutes later. What's that all about?
And lastly, it has a huge issue when connected to external speakers or headphones. The speakers in the Macbook work fine, but when I've tried plugging-in my ipod headphones and two different sets of speakers they all have had the same issue. There is a loud static sound in the speakers at the beginning and end of every song, and it does the same thing when I pause or unpause a song. The same set of headphones and both sets of speakers work fine with my PC. When I tried watching South Park online, the static sound remained consistent until I finally just turned it off and listened to it via the Macbook speakers. Sigh...
I'm taking it to the Genius Bar this weekend, and I hope to be impressed by the service or I'll probably just return it and revert back to Windows Vista.
In the meantime, does anyone on here have any ideas of what might be wrong?

I've tried plugging-in my ipod headphones and two different sets of speakers they all have had the same issue
Use speakers that have a build in amplifier, only one port for audio out. Don't place them to close.
Use the mac to adjust volume, the volume level on the speakers to 3/4.
Try if the headphone port gives better results, most multi media speakers come with a mini jack.
Turn off the automatic mixing fade in/out between songs in iTunes.
My Macbook makes a horrible sound every time I insert & eject a CD. I wonder if it's normal?
No, I have the same issue, as long as it ejects the CD it's durable.
South Park online, the fan randomly turned on and started getting louder and louder and louder
Flash reverts to software decoding for full screen video when no video hardware card is detected.
Your Mac has faster processors that can display full screen video without additional hardware.
flash is very loud, on many laptops, it is being worked upon by the vendor. Needs some time.
Darn Hippies.
Message was edited by: CodLBi

Static with external iSight & Mac Pro

I've got an external iSight that works fine with my ibook G4 but produces annoying static or noise when I use it with my new Mac Pro. The picture has a closely spaced series of white horizontal lines down the right hand side. You can see a screencapture here:
http://www.flickr.com/photos/77343703@N00/223089275/
Has anybody else seen this? Does anyone have any solutions?
Mac Pro 2GHz Mac OS X (10.4.7)

The camera is connected directly - the computer is a Mac Pro though, not a macbook.
I've since tried it on another G4 based mac and the camera is fine there, as well as on another intel based machine which gives the same sort of noise in the picture.
Mac Pro 2GHz Mac OS X (10.4.7)

My headphone port no longer connects to external speaker

The external speaker works with my phone so I know the speaker works. The speaker doesn't work with the hdmi cable and was working right before I connected the cable. Now it doesn't work with iTunes or anything coming from the computer. Just my phone.

Hi inthetrees,
Happy New Year! If you are not hearing sound from your headphone jack on your computer, I have a few things you can try. First, disconnect the cable from the headphone jack and restart your computer. This might reset everything.
If that doesn't resolve the issue, take a look at the article below and confirm the sound output settings for your external speaker. The article is for our most recent operating system, but the instructions for accessing the sound settings is the same.
OS X Yosemite: Adjust your computer’s sound output settings
http://support.apple.com/kb/PH18960
You can play sound through your computer’s internal speakers, your display’s speakers (if it has speakers), or through speakers, headphones, or other equipment plugged into your Mac or available wirelessly through AirPlay.
Before you start, open the Output pane of Sound preferences (choose Apple menu > System Preferences, click Sound, then click Output).
Choose a sound output device
From the list of sound output devices, select the one you want to use. All sound output devices available to your Mac are listed, including the computer’s internal speakers, devices plugged into your computer’s sound port (), USB speakers, and AirPlay devices.
For any device plugged into the computer’s sound port, choose Headphones.
Adjust sound output settings
You can adjust balance and volume for sound output with the controls in the preference pane. If you select the “Show volume in menu bar checkbox,” a volume control appears in the menu bar so that you can turn the volume up or down from anywhere. To set a separate volume for alert sounds, click the Sound Effects tab.
Depending on your Mac and the devices you use, you may be able to set other volume options using the Audio MIDI Setup app.
If you use apps that have volume controls (for example, iTunes or iMovie), their settings can only be equal to or less than the computer’s output volume. They do not override the settings you choose in Sound preferences.
Adjust your computer’s sound input settings
If you can’t hear sound from your speakers
If a selected audio device reverts to another audio device
I hope this information helps ....
- Judy

Clock-Radio, External Speaks for IPhone?

I recently started looking into getting a clock-radio, external speaker unit for my iphone. I went to Best Buy and messed with the ones they had on display but there is a problem. When I dock the iphone it wants to turn it to airplane mode to reduce the noise problem. I guess I was just wondering if there is a clock-radio made for that iphone that doesn't require this. It doesn't have to be a ****-radio system, as I never listen to the radio. I guess I'm looking for a nice external speaker set with a dock. Any suggestions?
Note: I am aware there is a bose system, however, I'm looking for something around the 100$ price range or under. Thanks

the iHome in the Apple Store works well with iPhone. I went into an Apple Store not too long ago and my phone worked with every speaker for iPod in there.
http://store.apple.com/1-800-MY-APPLE/WebObjects/AppleStore.woa/wa/RSLID?nnmm=br owse&mco=A4E81B4F&node=home/shopipod/ipodaccessories/speakers
Message was edited by: b_behringer

While on speakerphone, the external speaker became fuzzy with static. The phone is updated, and I've turned it on and off several times. It is still full of static. Please help.

While on speakerphone, the external speaker became full of static, and the phone cannot play music either to the external speaker. When the headphones are plugged in, you can then listen to music and old voice mail messages. It's updated with the current version. I've turned it off and on several times, but the external speaker is still full of static. It has not gotten wet at all. Please help!

try an other phone on the extern speaker , probably the speaker is not working as it should .

Why the Slowdown with External Monitor?

I have a new Retina iMac with a 4 Gig Core i7 processor, 32 Gigs of RAM and 4 Gigs of VRAM and the AMD Radeon R9 M295X chipset. My 3 TB hard drive is well under half full. Everything works great . . . until I attach an external monitor.
I've attached a Dell 2815Q via one of the thunderbolt ports on my iMac into the Dell's DisplayPort. The connection is with a cable, supplied with the monitor.
All computer functions are so painfully slow, it becomes barely usable. Finder functions--moving windows, mouse operations are like molasses. Scrolling is so bad that reaction time is near 5 seconds and then it continues to scroll after the physical mouse gestures cease.
Why is this so sluggish? I would have thought with the processing power and video capabilities of my new iMac that this problem would not occur. When I disconnect the Dell, of course, everything is speedy again.
Is there anything I can do to fix this? The Dell provides beautiful images, but it is virtually worthless with the slowdown in speed.

The warranty entitles you to complimentary phone support for the first 90 days of ownership.
If you bought the product in the U.S. directly from Apple (not from a reseller), you have 14 days from the date of delivery in which to exchange or return it for a refund. In other countries, the return policy may be different. If you bought from a reseller, its return policy applies.

Yosemite: Turning off Macbook Pro screen (lid open) with external monitor connected

Here we go again, this worked pre-Yosemite. Now it seems this trick no longer works. After following these steps again the screen on my Macbook Pro now turns on after logging in and opening the clam shell.
Anyone figure out/know a way to turn off the screen on the Macbook Pro with external monitors plugged in? (yes, closing the clam shell–but I'm referring to keeping the clam shell open with the display turned off)
http://gizmodo.com/5938452/a-trick-to-make-using-an-external-monitor-with-your-m acbook-way-better
To execute in Terminal:
sudo nvram boot-args="iog=0x0"
To undo in Terminal:
sudo nvram -d boot-args
Once you type it into terminal I believe you need to enter your password. I then restart my machine. Now the TRICK is to either restart your machine with the lid already closed (hit restart then slam the lid!) OR turn the machine on for the first time (then quickly slam the lid!) once you are past the login screen you can open the lid.

Has anyone experimented with tip 2 (active corners)? Perhaps it still works.
http://www.cultofmac.com/176329/turn-off-internal-lcd-display-of-your-macbook-ai r-os-x-tips/
Κοσμά τι λες; Τα έχεις μπερδέψει. Άλλο συζητάμε εδώ. Το ότι δεν μπορείς πια να δουλεύεις μόνο με την εξωτερική οθόνη (να έχεις σβηστή την ενσωματωμένη οθόνη όταν έχεις συνδεμένη εξωτερική).

IMac with External Monitor

Hi guys, I have a 20" Aluminum iMac with a 24" external monitor. In OSX I have no problems. I can make the external monitor my primary and I can video mirror the displays. However in Windows Vista I cannot figure out how to make the external monitor my primary. (I get the feeling windows won't let me because it is a mobile video card... the check box for which is the primary display is grayed out) This is not a big deal because I only game in Boot camp. So then I decided I could just mirror the displays. With mirroring my game would show on both monitors. I unckeck "extend my desktop with this monitor" but that just disables the monitor. I can find no option to turn video mirroring on. I searched help and it told me to open the mobile computer control panel? but when i opened it Windows said I can only use it on laptops. I am completely stumped. Anyone have any inside tips? Maybe there is just a command I can give to half life to make it play on the second monitor??? I don't know.
Thanks in Advance,
Jeff

we might be having different issues. I get video on the external, but I am unable to make it the primary monitor. I am also unable to make the two monitors mirror the same content. If you are getting no video at all on your monitor something else is wrong.

Watching videos on external TV with laptop monitor off?

Hi,
I'd like to view some of my iTunes videos on an external TV but with my G4 Powerbook's monitor off. (Watching full screen videos in full screen mode on the laptop itself tends to produce intense heat and resulting fan noise.)
I connected the laptop to the TV with an s-video cable, and I can view windowed video in dual-monitor mode or full screen video in mirrored mode with both displays showing the same thing...
...but is there any way to just watch it on the TV with the laptop simply sending the video out and not displaying it locally?
Thanks!

Hi,
Thanks for the reply. Yes, in the end, I hooked up an external USB mouse in addition to the s-video and power cables. That does allow the laptop to operate with the lid closed and display everything on the external monitor.
Alas, my hope that this would allow me to view iTunes videos without the heat and noise normally associated with full-screen viewing didn't pan out. Maybe time for an upgrade.

[SOLVED] Modesetting with external monitor broken (intel)

After recent updates, modesetting during boot no longer works if an external (vga) monitor is plugged in.
Once it gets to modesetting, both screens go black and I can't tell what happens after that (Might hang, might boot fine I just can't see it…) The external vga screen is black (with very occasional horizontal line of noise), but remains on (It doesn't go to sleep, which it usually does if not receiving a signal).
If the monitor is unplugged during boot then plugged in once the login prompt is reached, modesetting works and running X multihead with xrandr seems to work normally. (workaround until the issue is solved)
Changing from Early KMS start to Late KMS start means the black screen appears later, but it still appears.
Booting with nomodeset works with the monitor plugged in, but means X fails to start with an error message about not finding any screens.
The laptop is an old macbook, with integrated intel graphics card:
Intel Corporation Mobile 945GM/GMS, 943/940GML Express Integrated Graphics Controller (rev 03)
Last edited by Thrall (2013-03-19 11:29:04)

Ok, I'm trying to collect information for a bug report, so if people could confirm or correct what I have so far and add any additional relevant information, that'd be very helpful.
The fact that running the linux-lts kernel fixes the issue suggests that the problem almost certainly lies with the kernel.
Comparing the date of my first post with /var/log/pacman.log, I believe the upgrade that first caused the issue to appear was this:
upgraded linux (3.7.3-1 -> 3.7.4-1)
(There is a very slim possibility that I managed to upgrade to 3.7.4 without actually rebooting into the previous kernel, in which case the issue could have been present in an earlier version, but I wouldn't have encountered it.)
So far, the only graphics card affected appears to integrated intel chips:
Intel Corporation Mobile 945GM/GMS(/GME), 943/940GML Express Integrated Graphics Controller (rev 03)
Has anyone observed this issue with a different graphics card? (check the output from entering "lspci" in a terminal if you're not sure how to find out)
Finally, Wittfella found reinstalling from scratch fixed the issue. If someone can come up with a reasonable explanation as to *why* this fixed it (and ideally narrow it down to changes that can be made without reinstalling from scratch if at all possible), then it's possible that it's not an actual bug, so much as a poorly documented change that causes problems upgrading but is otherwise ok afterwards.

External speaker static with external monitor

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