Sound is muted after sleep

i have one of the new core 2 duos and i am having this random problem with my sound i can have it on works great but when it wakes up it seems to be muted but i didnt do anything and all the controls seem to be on. If i reboot the comuter works fine again. anyt thoughts? or should i just chock it up to a minor inconvience and go on with it.

I regularly have the same problem, but only near the end of a recorded show. Btw, I wish that Verizon would allow for skipping 'back' into a show after you fast-forward past the end of it. Dish had this many years ago and it worked great!

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HT1338 no sound through hdmi after sleep mode

I have no sound through the hdmi cable after mac mini wakes up after sleep mode but I do have sound when I resart my mac although Im unable to ajust the volume and the sound icon at the top bar is greyed out..system preferences says the selected device has no output controls for this device and the slider bar it also greyed out..

If you don't already have a current backup, back up all data, then reinstall the OS. You don't need to erase the startup volume, and you won't need your backup unless something goes wrong. If your Mac was upgraded from an older version of OS X, you’ll need the Apple ID and password you used to upgrade.
There are ways to back up a computer that isn't fully functional. Ask if you need guidance.
If you installed the Java runtime distributed by Apple and still need it, you'll have to reinstall it.

Walkman sound remains muted after missed call on headset

I've noticed on my Z1C that if I receive a call while playing music through the headset, the music mutes to play the incoming call ringtone as expected. However, if I do not answer the call, the walkman continues to play the track again, but the sound is muted. I have to press pause, then play, to hear the sound again.

Thank you for the feedback. Could you state which headset your are using?
- Community Manager Sony Xperia Support Forum
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Sound not working after sleep

When i connect my headphones and once my macbook pro goes to sleep, Its not giving me sound back. Even after unplugging my head phones, it is still showing head phones as my out put.
Does anyone has a solution for this issue? [it is working fine after a reboot]

Delete the sleep file using a command in "Terminal".
In terminal, type the following command...
sudo rm /private/var/vm/sleepimage
You will be prompted to enter your computer password. *Note you password will be hidden* hit enter when done.
Put computer to sleep and wake to see if problem still occurs.

After update to 10.8.5 HDMI sound stops working after sleep mode

Has anybody a solution or the same problem?

This is not just a Mac Mini problem. I've found comments from people with all kinds of Mac, with any kind of external sound device, who all have this same issue.
The common factor is Mountain Lion.
Apparently there is a new build (12F42) which is supposed to fix this.
http://www.gadgetguide4u.com/new-os-x-1085-build-number-12f42.html
Apple released it to their employees on the 25th Sept.
Yet they don't even seem to have told their support people about it. My local apple store replaced my Mac Mini just on Sunday, because they didn't know why it was behaving like that. Needless to say, the new one has the same problem.
Here's hoping that build is available soon ...

Pismo Sound Problems after Sleep in Tiger

Hi all. New to the forums and returning to Macs after years of cursing Bill Gates. Picked up a Powerbook Pismo from a friend and have been having some fun with it, but I have one problem I can't solve. I replaced the hard drive (saved the old one) and installed Tiger and 1GB of memory on the machine. All seemed well until I noticed that the sound would not work sometimes after sleeping. The sound will usually return with a reboot, but sometimes I'll have to actually turn the machine off, and clear the PRAM to get the sound to come back. Sometimes, the volume and screen controls will both not work at all (pop up doesn't even appear when the keys are pressed), sometimes it's just that the sound doesn't work, but everything looks right on the screen. I've also had the sound and screen buttons not work only to have pop ups suddenly appear and the adjustments happen several minutes after I pressed the keys. So far I've tried:
Clearing the PRAM
Checked the Pram Battery (ok)
Reinstalled Tiger (Still loses sound)
Downgraded to 10.3 (problem persists, and seems worse)
In system information on Tiger it says "there was an error when retrieving that information" when you click on the sound hardware.
The machine is a 500mhz Pismo with a 48gig drive and 1 gig of Memory (133mhz, would that cause this sort of problem?)
I have not tried going back to OS9 to see if the disappearing sound resolves as I don't currently have an OS9 disk.
This sure seems like a software problem, but I'm starting to wonder. I really like this machine and want to get it to work! Help!

Maxstang, welcome to Apple Discussions.
Did you repair permissions after you installed Tiger? Have you updated Tiger to 10.4.11?
Here's the Sound troubleshooting info in the Pismo Service Manual.
No sound from speaker(s)
1. Verify mute mode is not enabled (F6 on the keyboard).
2. Check the volume setting in the Sound control panel.
3. Verify no external speakers or headphones are plugged in.
4. Reset PRAM.
5. Make sure speaker cable is plugged into sound card.
6. Replace sound card.
7. Replace speakers (part of the top case).
8. Replace I/O logic board
Startup sound is heard, then no sound from speaker(s)
1. Remove sound preferences from System Folder, reset PRAM,
then restart.
2. Perform clean installation of system software.
Had the Pismo previously had OS X installed. There's a firmware update (Boot ROM version 4.1.8) that should be installed prior to installing OS X. However, when I got my Pismo with Tiger installed, the firmware was not updated (have since updated). However, I don't think this could be the cause of your problem, since I had no sound problems when the update was not installed.
The PC133 RAM (which runs at 100MHz) should not be the problem. I have PC133 RAM in my Pismo.
Since you replaced the HD, could you have disturbed the connection to the Sound Card. The Sound Card is located to the upper-right of the HD. Here's a helpful laptop site.
Fix It Guides for Mac Laptops & Mini
http://www.ifixit.com/Guide/
The guides can be viewed on-line or you can download a PDF file.
 Cheers, Tom
(='.'=)
(")_(")

Satellite P100 - No sound after sleep mode or hibernation on Windows 7

Hello everybody,
I am desperately looking for a solution for my sound problem on my PC after having browsed many forums that were talking about the same issue but without effective solutions either.
I am posting this message as I am having a Toshiba P100-488 laptop running Windows 7 64 Bits (after having upgraded the CPU) and which is using a Conexant CX20549 sound chip.
Everything is working properly and so does the sound chip thanks to a Windows 7 64 Bits driver installed but I noticed that after coming back from the sleep mode or hibernation, then sound device is still recognized in the Device Manager and shown as active in the Control Panel and the task bar but unfortunately, no sound is coming out of the speakers.
I have tried several drivers (including those of Dell and HP on some sites) but still the same problem.
Also, I have tried to update the driver from Windows Update that suggested the Conexant SmartAudio HD2 but same behaviour.
Is there any of you who would have a solution for me or perhaps a relevant driver that could solve this annoying issue ?
Many thanks in advance.
Best Regards,
Fred

This appears to be completely a Realtek Software (Driver) problem, that has not been fixed well over a year after the issue has been brought to public ([Toshiba Forum|http://forums.toshiba.com/t5/Audio-Sound/Sound-off-after-Sleep/td-p/173036|Toshiba Forum]) notice.
When putting the laptop to sleep and waking back up in a different power state than it went to sleep in, sounds stop working.
Example: +Power plugged in, put laptop to sleep, power unplugged, wake up laptop, no sounds (and no microphone).+
A reboot fixes this. This points to a software (driver) problem & not a hardware problem.
Putting the laptop to sleep and starting up again in the same power mode that was in effect before the sound was lost is one way to avoid this happening. However this appears random, sometimes it works, more often it doesn't, and it is often inconvenient to put the laptop to sleep again when it is noticed sound is not working.
The quick fix, (workaround) that seems to work most all of the time {color:#0000FF}(_[m-267849#267849]_){color}in another post on this forum.
This is a *TEMPORARILY FIX* to this {color:#ff0000}*VERY IRRITATING LONG PENDING PROBLEM*{color} that has been {color:#ff0000}*neglected*{color} by Toshiba and Realtek.
One ends up having no choice but to believe that the management of Toshiba does not really care all that much about its customers when they leave a known problem unfixed for years. That is sad, considering Toshiba's slogan is "Leading Innovation." A broken innovation is just that, broken, and a +real+ leader does not leave its products broken.

Sound off after Sleep

Windows 7 / E205 S1904 / Realtek HD Audio Manager/ After sleep about 33% of the time there is no sound. If the laptop is shut down, the sound usually comes back. Have reinstalled the driver from Toshiba site. Any suggestions?
Many thanks
Solved!
Go to Solution.

This appears to be completely a Realtek Software (Driver) problem, that Toshiba is not getting Realtek to fix even a year after the issue has been brought to public notice.
No permanent fix can really be made unless Toshiba compel Realtek to fix their driver software.
As for the work-around shown in an above post, after even further tweaking, it was noticed that the Microphone resetting usually does not need to be done.
So,to restate:
When putting the laptop to sleep and waking back up in a different power state than it went to sleep in, sounds stop working.
Example: Power plugged in, put laptop to sleep, power unplugged, wake up laptop, no sounds (and no microphone).
A reboot fixes this. This means it is a software (driver) problem & not a hardware problem.
As can be seen from the suggestion above, putting the laptop to sleep and starting up again in the same power mode that was in effect before the sound was lost, was one solution. However this is random, sometimes it works, more often it doesn't, and it is often inconvenient to put the laptop to sleep again when it is noticed sound is not working.
The quick fix, more concise (workaround) that seems to work most all the time is:
Unplug the power
Click the Start button, type in the "Search Program and files" box: Sounds
Select: Change system sounds
Select the: Playback :tab and right click on: Speakers (Realtek)
If : Show Disabled Devices : is unticked, Click on: Show Disabled Devices : to ensure it is selected (ticked)
Right Click again on: Speakers (Realtek)
If : Show Disconnected Devices : is unticked, Click on: Show Disconnected Devices : to ensure it is selected (ticked)
Right Click again on: Speakers (Realtek)
Click on: Disable
Right Click again on: Speakers (Realtek)
Click on: Enable
Plug the power cable back in
In case this does not work, use the procedure shown in the post further above where the microphone is also disabled and enabled.
If by chance you do this and you end up not being able to find your Speaker or Microphone icon in the Change sound card settings (Change System Sounds) dialog:
Click the Start button, type in the "Search Program and files" box: fix sound
Click on: Find and fix audio playback problems & go through the fix steps.
Repeat above step for Find and fix audio recording problems
This usually gets back an audio device that has been disabled and cannot be found in the "Change sound card settings" dialog. (It does not ever fix the "no sound" problem.)
Again, this is a TEMPORARILY FIX to this VERY IRRITATING LONG PENDING PROBLEM that has been neglected by Toshiba and Realtek.
Laptop: QOSMIO F60
O/S : Windows 7-64bit
All drivers and Windows O/S software up to date.
One ends up having no choice but to believe that the management of Toshiba does not really care all that much about its customers when they leave a known problem unfixed for years. That is sad, considering Toshiba's slogan is "Leading Innovation." A broken innovation is just that, broken, and a real leader does not leave its products broken.

Mail sound after sleep

Hi
Sometimes after sleeping my 5K iMac stops playing sounds from mail (all other sounds work fine).
If you go into the mail settings and change the sound it doesn't make any noise. Quitting mail and relauching fixes the issue.
Anyone else the same?

same here
I had power nap on.
I turned off power nap.
Now after it goes to sleep, it will wake up and still make the sent sound.
good luck

Very loud fan sound after sleep when Ram is upgraded.

Recently I have upgrade the Ram memory from 1Gb to 5Gb with (2x2GB) FB-DIMM DDR2 667MHz from Ondamatica. Memory works perfectly, hardware tests were OK and i didn't notice any issue except one: after sleep, fans start to spin faster and faster (seems like a vacuum) to what I supose Is the fastest speed they support, during arround a minute or 45 seconds. That generates an intense noise but happens only when awake afer sleep, not when restarting.
I've done almost everything: reset pvram, reset SMC, change memory slots... And the issue only stops when I remove the new two Ram modules.
I've read about it in some forums, but no one solved it. ¿Any suggestion before I return the Ram to the store?. Could be a software problem?.

It will or can happen but you can reduce it somewhat maybe using SmcFanControl (2.1.3.1 - wwww.macupdate.com ) to keep the fans above default by 200 rpm. And run Hardware Monitor to monitor temps as well. They may be running much warmer than they could/should/ought to.
1GB and your system was on starvation express! ouch. 4GB is more of a normal minimum even. 4 x 1GB is nice balanced setup. 2GB DIMMs might be warmer, run 70C perhaps. And they use about 15W each.

X1 Carbon Touch Screen stops responding after sleep

Hi,
My X1 Screen does not come back after sleep for several minutes. I've encountered this problem the very fist day I've received it, a reboot solved the problem but after few days it happened again, this time it took 2-3 hours for it to come back after several reboots. After a week it was gone for good, Service replaced the motherboard and just received my X1 back yesterday. Today it happened again. A reboot solved the problem but symptoms are same. Comp goes to sleep, when I try wake it up, X1 works but diplay is totaly gone. I can hear the sounds, see the fingerprint sensor etc is alive but can not wake up the display..
Model is 208A and Win 8.1
Any ideas ?
Thanks

Hey...got your back on this one! I returned a T440s because of this.....tech support had no idea...same problem for the replacement they sent to me, and again they it's a motherboard issue. Nope....trial and error...found the solution. Download and upgrade your fingerprint pro software and it's fixed. Here is the link. Please post if it worked for you too!
http://support.lenovo.com/en_US/downloads/detail.page?DocID=DS031504

No display after sleep with macmini using DVI - S-video/composite under XP

Hi guys, I have installed XP on my mini. I have CRT TV so I'm using
DVI -> S-video/composite to output to my TV.
The problem is after sleep - there is no display (it's woking only after reset).
I installed the latest drivers from the mac os 10.5 DVD & updated the graphics driver from Intel.
Please help

Unfortunately, no answer, as I'm having the similar problem with a Samsung SyncMaster 215tw and a G4 Mini. It works with the DVI-VGA adapter and the VGA cable into the montor's VGA port. However, connecting with the G$ Mini's DVI port with the monitor's DVI port using a DVI cable doesn't work. I cannot figure out why this doesn't work.
The DVI cable is good and the monitor's DVI port is good, as the connection does work using my friend's Intel Mini's DVI port connected to the monitor's DVI port using the DVI cable.
The monitor is new, too, and otherwise works fine with my other Macs connected with the VGA port. (I've not tried the additional ports as yet.)
Although the monitor is supposed to synchroize automatically, I also tried manually presetting the G4 Mini to different resolutions, but that didn't make any difference. The screen remains black when it should be showing the booting Apple icon.
Any idea what is going wrong here, please, as it sounds as if this same thing occurs with various monitors?

No video after sleep mode.

Brand new home built system (all new components unless noted otherwise) running Windows 7 64-bit Home Premium on the following hardware:
MSI X58 Pro-E motherboard,
Intel Core i7-920 (2.66) CPU,
Enermax PRO82+ 525W powersupply,
Sapphire ATI HD5670 1GB GDDR5 PCI-E video,
8GB Corsair 1333MHz RAM,
WD Velociraptor 150GB 10,000 RPM boot drive,
WD 500GB Caviar Black for file storage,
Plextor DVD-RW,
CoolerMaster case.
Older Viewsonic VP2030B monitor,
Older Microsoft Desktop 6000 V2 keyboard/mouse.
With standard Windows 7 power saving features enabled, the following
intermittent problems occur:
After the system has gone into sleep mode, the video card provides no signal to the monitor. Moving the mouse or touching keys on the keyboard obviously bring the system back out of sleep mode, but no video signal is received. Unplugging the DVI-D
cable from the card results in the Windows sound indicating a change. Plugging it back in, results in a Windows sound indicating the change. This happens when you unplug one end of the cable, it doesn't matter if it is at the monitor end or the video card
end - as long as the other end is of course still plugged in. The only resolution to this "no video" state is to reboot the computer with the power or reset button.
On some occasions when turning the PC on, there is no video signal. The system boots properly (although the BIOS screen takes about 15 seconds to appear - something MSI says is OK), and can be shut down with the correct keyboard sequence. The monitor
runs through VGA, DVI-A and DVI-D, but no signal is ever received so it goes into standby mode.
When the computer boots properly, usually while it is still loading Outlook (which is set to start automatically), the screen goes completely blank for 5 or more seconds, then comes back on and the monitor menu indicates that it is running at the correct
resolution, and then the video works correctly from there on in - unless it goes to sleep.
On some occasions, when recovering from a "no video after sleep mode" incident, everything on the screen has been moved towards the upper left side of the screen. The Outlook window which is normally quite large (80%) and centred on the screen has been reduced
in size to about 50% and shoved into the top left corner. Also, the 4 gadgets that normally run vertically along the right side of the screen have been moved up and towards the middle of the screen, one or two of them often overlap others.
Things I have done/tried:
All Windows 7 updates,
All motherboard BIOS updates,
All video card drivers and software updates from ATI,
Replaced the DVI-D cable,
Uninstalled the video card and drivers, and moved the card to a different PCI-E slot,
Replaced the video card with another Sapphire ATI HD5450 card (temporarily).
Sapphire thinks it's a hardware problem with the original card, but since temporarily replacing it with another card, the problems continue, so I doubt that is the issue. (Plus I have to pay $25 to ship the apparently defective - under warranty card - back
to them.)
These problems have happened intermittently since the system was built in January 2010 and they seem to be quite random, sometimes not happening for weeks, other times happening every few days. Sometimes the system is in sleep mode for 1/2 hour and it happens,
other times it is in sleep mode for hours and it happens (or doesn't).
Any help would be appreciated.

Hi again,
OK, I finally got around to trying this. I still have to check if that actually fixed it, but I managed to get into the "Factory" OSD screen.
I had my system running, disconnected my new monitor and plugged in the flaky old Viewsonic. I then:
1. Depressed and held down the #2 button, then depressed and held down the Power button,
2. Almost immediately the amber power light turned-on, the backlight turned on and the output image from the PC showed up.
3. The On Screen Display (OSD) for all the monitor setting came up (at the bottom of the screen instead of the middle where it normally is), and underneath the Main Menu window in the OSD, along the bottom of the overall OSD window, the word "Factory" appears
in the middle between the control button keys (#1 for exit, and #2 for enter). (It's not normally there.)
4. Using the down arrow key on the face of the monitor, I highlighted the "Factory" menu item, pressed the #2 key and voula! there was a whole new simple white text on bright blue background window, which among all sorts of settings included "Factory Reset"
(which is the default selection).
5. I pressed #2 again to accept and it was done.
All that is left is to do is some user testing to see if the monitor behaves as new.
Additional informtion: in the top of the "Factory" menu it reads: "LOVP AU Ver.0.36"
I took photos of everything and will post them on my Flickr account. To find them go to wwww.flickr.com, click on the search button, then on the next screen click on the People tab, enter my name and click search.
Thanks again for the advice.
Tom

MBA not always recognizes external display after sleep

Hi,
I have a 2011 MBA and use it on a external display (Dell 2709w) with the lid open. The issue with this MBA is that after sleep it often (every second time I wake it up) doesn't show anything on my external monitor. In order that the external monitor works again I have to plug the DVI cord out and in or press recognize monitors under monitor settings.
I also did a PMC and SMC reset but both did not help.
I have also done a complete reinstall witch did not help as well.
I also did a test with a MBA from a friend (exact same model) and his always works with the external display after sleep while mine only works every second time.
Could this be a hardware defect? sound pretty strange to me, but who knows...

I have managed to make the Apple Hardware test by just pressing "D" while restarting. The test, however, did not find any error - but this does not surprise me as I think it only tests the ram.

When using FaceTime, all other sounds are muted. This defeats functionality. When will this be corrected?

When using FaceTime, all other sounds are muted. This defeats functionality. When will this be corrected? Does anyone know of a "fix" for this problem? This definately is NOT a feature.

yes, that is exactly what mine did too. I noticed that something is wrong after receiving calls and did not hear anything.
It was like the IPhone did not realize that the headphone is not any longer plugged in. I m not sure weather I plugged/unplugged the headphones after this more than once but it startet working correctly.

Sound is muted after sleep

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