Output jack is permanently on "Digital Out"
The output on my powerbook is permanently set to digital out. when I go to the sound preferences I am unable to change it back. There are no other options to change it to. Digital out is the only one there. What happened? Can anyone help me?
My Powerbook G4 is also stuck with only "Digital Out" in the sound preferences. It happened right after I unhooked my headphones. Now I seem to constantly have a red laser light coming out of my headphone jack. I imagine there is probably something stuck in the jack that makes it think there is always something plugged in, but I'm not sure. I tried deleting sound preferences, checked disk permissions and restarted in different users. Let me know if anyone has any ideas. I think I'm gonna play with the actual jack and see if something is stuck or something.
Thanks.
Similar Messages
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Sound output only has option for Digital Out, no internal speakers, and no headphones.
I recently got a new 2012 Macbook Pro 15" and my sound output is not working correctly. The only option is Digital Out - Optical digital-out port. There is no intenral speakers option, nor is there a headphones option when I put them in. I am running Mountain Lion and unfortunately have tried looking up similar posts with no help. I have attempted to reboot the SMC and perhaps one other trick, but I have not had any luck. If anyone has any idea what I should do or if you need more information to make a diagnosis that would be great! To note, it worked fine when I first got the computer, but when I was messing around trying to hook my computer up to an HDTV (i have a thunderbolt HDMI cable that sends sound as well) I had a couple of problems (I think it was because it was a very old Vizio that did not support the HDMI) and perhaps some of the settings got changed on my computer. Anyways thanks in advance!
Hi,
That is good news! For some reason I only experienced that for a little while before it straightened out itself. But I know that was driving a lot of people crazy. Thanks for pointing out that 10.6.2 did the trick. -
Long question.
I am running a main program loop of 60 msec. At one point in the loop I create a 64 element array of delay times. At that point I need to begin outputting a predefined single pulse to each of the 64 lines on my PCI-6513. Each line outputs the pulse with a starting delay set by the "delay time" in the array.
Each delay time is such that the pulses will be done before the next loop commands another one.
Thank You
RogerHi,
You have multiple ways of doing this, since there is no timing engine on the 6513 your code is going to control the output of the card, which is what we called “software timed”. If you take a look at the example called: “Write Dig Chan.vi”, you can individually control each line.
So to change the state of the line; since you have an array of delays time you can aid yourself with “stacked sequence structure” where in each frame you control the time it takes to go to the next frame and the data been written to the card.
Another option is using a state machine where each state write the data you want and you can also control the time between states. For further references take a look at this article Application Design Patterns: State Machines.
I hope it helps
Jaime Hoffiz
National Instruments
Product Expert
Digital Multimeters and LCR Meters -
My MacBook Pro has no audio. Sounds preferences showing output is Optical digital-out port. How do I change this to built-in speakers?
I experienced this same problem yesterday on my MacBook Pro, still searching for a solution, several other posts here indicate people have been experiencing this since at lease 2007. I have yet to find a clear solution.
It appears that occasionally inserting headphone causes this, it turns on the Optical digital-out port feature (red light glows inside the headphone port) and takes away the internal speakers option. Restarting did not restore it, but for some reason after sitting asleep overnight the sound started working again and the internal speaker option return in the Sound - Output Window, and the Optical Digital-out option went away.
Here is another post with some ideas on this
https://discussions.apple.com/message/4160477#4160477 -
HT1338 audio output defaults to optical digital-out port
M audio out defaults to optical digital-out port; I cannot select internal speakers - it is not in the preferences menu
I experienced this same problem yesterday on my MacBook Pro, still searching for a solution, several other posts here indicate people have been experiencing this since at lease 2007. I have yet to find a clear solution.
It appears that occasionally inserting headphone causes this, it turns on the Optical digital-out port feature (red light glows inside the headphone port) and takes away the internal speakers option. Restarting did not restore it, but for some reason after sitting asleep overnight the sound started working again and the internal speaker option return in the Sound - Output Window, and the Optical Digital-out option went away.
Here is another post with some ideas on this
https://discussions.apple.com/message/4160477#4160477 -
Final thought on Creative Digital Speakers & no XFi 5.1 digital out
Hold on to any Audigy &2 or SB Li've 5. cards if you own Creative Digital speakers!! My Inspire 5700 speakers are no use for analogue connections. They were made to connect to Creative Digital output sound cards ONLY. The PR at the time said something along the lines of
"It (the SB Li've 5.) comes with digital I/O with S/PDIF digital input/output, MIDI input/output and a Mini-DIN digital out for connecting to Cambridge SoundWorks digital speakers."
So without a compatible card the Creative speakers are useless. I remember being furious when I first realised the inspire decoder would not easily connect to my DVD player or any other type of sound card!
Creative must have known dropping this DIN output in the XFi range would anger their customers and that without the matter being explicitly pointed out, everyone with digital speakers would assume continued support from the new flagship range of soundcards. To try and pretend that any use of Inspire Digital speakers with the XFi range is anything but crippled is outrageous! It is obvious why there is no mention of the 5. DIN output being dropped just as it is obvious the contempt with which Creative hold their customers. It is not just this issue that has formed my low opinion of Creative.(e.g. EAX and VOIP in games were touted in the early SB Li've days and are only now working at all acceptably, many generations of sound card later!).
It is a sad fact that companies who enjoy market domination feel they have the right to behave in this way.Message Edited by hetzer on 02-09-2006 04:52 PMAnother suggestion:It is better if you have a 64 bit hardware supported by 64 bit Win XP or Vista. In my computer the hardware is of 2003 and is of 32 bit.However I can get results only with XP service pack 2 (32 bit)or Vista 32 bit.Normal XP may not work.However I can only get 48 Khz sampling rate and not the advertised 96 Khz sampling rate. Is it due due 32 bit hardware/software?The manufacturer recommends a 64 bit version for best results.
S.dutta
kolkata
India -
Audio output changed to 'Digital Out' and speakers don't work! Please help!
I'm not exactly sure what's happened, but after starting up my macbook pro, my speakers/audio haven't worked.
The volume control in the menu bar is inactive (looks light grey) and in the Sound menu, I have no option for output devices except for 'Digital Out' - there is no other option for 'external speakers' (as per usual) or anything!
I can plug earphones in, and sound comes out fine... I don't know what may have happened, but I'm really worried - I use my MBP for home & work; I need my speakers to work!!
If anyone can offer any advice, I'd be really grateful. Thank you in advance.Talked to Tech Support about this when my machine locked up in this same fashion. There's a little "door" inside the headphone jack that can get stuck in the open position and keep the audio from switching back to the internal speakers / stuck in the digital (optical) output position...
The solution: the iPick... It's a toothpick, but if you use it to poke around inside the headphone jack until the little door gets unstuck, it becomes an iPick, and a box of them are very expensive, but they come in lovely colors and are very intuitive to use...
I'm not kidding... Stick a toothpick (or other non-conductive small stick) in the headphone jack and joog it around until it releases the little door... -
on my IMac the internal speakers have ceased working - in the sound preferences area only digital out sound is there no internal speakers to choose so unless I connect external speakers I have no sound
Hey Jack (woofman jack)
Sounds like the micro switch inside the output jack that switches the audio from internal to external is stuck on external. Try plugging a set of buds, headphones or digital Toslink adapter in and out a few times to see if it will unstick the micro switch. You also might try jiggling a tooth pick around inside the audio output jack to see if that unsticks it? If not then you'll need to make an appointment at your Local Apple Store or Apple Service Provider and have the jack serviced.
Dennis -
Digital(computer) noise on headphone output jacks
Hi
I have a dv9000 which has a problem with digital(computer) noise on headphone output jacks. I hooked it up to my car
stereo axillary input jack and noticed a lot of static noise, even with laptop sound muted. Only time there is no static, or very minimal is when I put the laptop in hibernation mode. So I'm pretty sure it's a digital form of noise.
I have a HP DV5T also and it does not have this problem. So is this a common and accepted problem with all older dv9000 series laptops? Or is there a problem with my dv9000? and if so, what do you think it might be. I've looked at the dv9000 headphone output on the Oscope and I did indeed see square waveforms mixed in with other random noise.
FYI---When head phone is used, there seems to no noise or is very faint. Do headphones have inherent ability to filter out the digital form of static?
Thanks
Tomi just bought a 4520s pro-book and i'm having the same problem but i DO hear the noise with my headphones. when i plug in my headphones i can hear every time the HD spins or a window opens or closes, and the cd drive is unbearable. this is driving me nuts because i bought this notebook for my music production so i sometimes spend hours with headphones in. i have contacted support with no success. anybody have any ideas?
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Conecting MY MD player useing the Digital out jack on A2 ZS H
Ok i have me a MD Sharp DR7 which has an optical In. on the back of my A2 i have a digital out Jack. so i conect my MD and it says no signal. iam useing a 3.5mm jack optical cable from A2 ZS to MD which is what the instructions say on my MD.
so why dont i have any digital signal from my A2 ZS, i have checked all the digital outputs in the software and control panel but still its not working.
Is my sound card at fault?
I would really like to record useing some of the sound functions my A2 ZS offers but why cant i conect it by digital output!!!!!!!!
thanks in advance for any awnsers to the problem that bugs my life right now!MiniDisc units do not care if its digital input signal comes from optical SPDIF or coax SPDIF. It's all SPDIF. All you need is the correct cable.
It is possible you are hitting an SCMS restriction, in which case it doesn't matter how the digital signal is fed into the MD unit. I don't know if Creative's drivers respect SCMS or not - I haven't had the card long enough to find out yet.
But you definitely do not need to use optical connectors to transfer digitally to an MD unit. -
Macbook audio output freezes on digital out
After plugging inand removing my headphone jack, I can no longer access the internal speakers on my MacBook. The only option that the System Prefs gives me is Digital Out. Any ideas?
Talked to Tech Support about this when my machine locked up in this same fashion. There's a little "door" inside the headphone jack that can get stuck in the open position and keep the audio from switching back to the internal speakers / stuck in the digital (optical) output position...
The solution: the iPick... It's a toothpick, but if you use it to poke around inside the headphone jack until the little door gets unstuck, it becomes an iPick, and a box of them are very expensive, but they come in lovely colors and are very intuitive to use...
I'm not kidding... Stick a toothpick (or other non-conductive small stick) in the headphone jack and joog it around until it releases the little door... -
Can i generate PWM output from digital out of my PCI 7041 RT DAQ card?
I want to generate 4 PWMs using my PCI7041 card. I do have only 2 analog outputs and 2 counters to output my signal that's why I want to use digital out of my card for PWM. How can I do that? If there is any example then please let me guide that way.
Hello rajen,
There is a good link to PWM in LabVIEW using counters here.
As for using analog output, you will need to be able to continuously update your output waveform. I've attached a program that demonstrates this. Hope this info is helpful.
-Alan A.
Attachments:
Continuous_Analog_Out_Update.vi 139 KB -
Stuck in headphone (optical digital-out port) mode. What do I do? Plugging and unplugging headphone jack no help.
Do you see a red light in the headphone jack?? If you do, then the microswitch is stuck and you need to turn it off. Try poking it with a toothpick.
If you don't see a red light, then try resetting the SMC and PRAM and see if these helps. Here are the links.
http://support.apple.com/kb/ht3964
http://support.apple.com/kb/ht1379 -
When I unplug Apple headphones from my MacBook Pro sond from internal speakers not work, and system soud preferences displayed: Output: optical digital out port only
If you see a red light in the audio output port, then the internal switch is stuck. Insert the earphone plug a few times and see if you can trip the switch. If that fails, insert a cocktail stirrer and the like and jiggle it around inside. If that fails, take it to an Apple store and have the technicians at the genius bar do it for you.
Ciao. -
Only audio output is Digital Out
My MBP has been connected to an external monitor and speakers for about a week (not unusual) and I just disconnected it and am using once again as a laptop. I noticed however, I can't adjust the volume, nothing comes out of the speakers and the only audio output device is Digital Out, no speakers.
How can I fix this?David Allen4 wrote:
Have you checked out?
http://discussions.apple.com/thread.jspa?messageID=10792408�
Thanks for this. I had this issue with my MBP for the first time today and that forum thread helped out.
Jordan
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