No sound after sleep

I have the latest MacBook Pro, 17 inch.
After putting the MacBook to sleep, I lose the sound to applications like iChat and Mail. I don't know how to get it back other than restarting the computer.
Suggestions anyone?

ok....
try resetting PRAM
if that does not work go about resetting PMU/SMC/SMU
check your settings in sound preference in system preference after your sleep thing....if that too doesn't work....man you should try out the archive install technique probably some system software has got corrupted .DO BACKUP YOUR DATA BEFORE ATTEMPTING ARCHIVE AND INSTALL EVENTHOUGH YOUR DATA REMAINS INTACT BUT THERE IS NO GUARANTEE .. Best Of Luck!!!!

Similar Messages

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.

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

Mac mail makes no sound after sleeping

Why does Mac Mail stops making the new mail alert sound after falling asleep? How can I solve this?
I have to close mail, wait a few seconds, then reopen to restore the sound. Very annoying.

Reset The Pram
http://support.apple.com/kb/ht1379
(Try several attempts to get the corect sequence)
Reset the SMC
http://support.apple.com/kb/ht3964

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.

Mail won't make new-mail or sent-mail sounds after sleep

I've had this issue for the last 6 months, probably ever since 10.7.3 update in May.
Mail stops making the usual noises after going to sleep one or two times. The weird thing is that it will store all the unplayed noises in a buffer and then suddenly decide to play a few months worth of sent-mail and incoming-mail noises at a rate of one per second for several minutes upon waking up. Apple was no help.
Restarting seems to solve the problem until the next sleep cycle when it starts up again. I did a full restore twice and it made no difference
Apple's mail specialist hadn't ever heard of this issue before when I called in September. It's not a game stopper but I worry it might be a hardware issue that I'd like to have fixed before my warrentee runs out.

I've never seen anything like this reported before. Verify/repair your disk (not just permissions), as described here:
The Repair functions of Disk Utility: what's it all about?
If the problem persists, proceed as follows:
1. Open /Applications/Utilities/Console.
2. From the File menu, choose either Open Console Log, or Open System Log, or both, so that the Console application displays the contents of both system.log and console.log.
3. Try to reproduce the problem, and look at the bottom of the Console windows for messages that could have been written there as a result. Do you see anything that could provide a clue as to what's going on?
Now, try this:
1. Go to Apple Menu > System Preferences > Accounts, and create a new user account for testing purposes.
2. Either log out of your main user account or just quit Mail so that it does not interfere with the other user account.
3. Log in as the newly created user and set up Mail anew there. Does the problem happen there as well?

T520 loses sound after sleep

Hello,
I recently bought a T520 and am having issues with the sound. When the computer goes into sleep, then is resumed I lose output from the sound card. When I check the sound properties in the control panel everything looks OK, but no sound is heard through the speakers. The volume is at around half.
Soundcard: Conexant 20672 SmartAudio HD
Soundcard drivers version: 8.32.18.0
This is the latest version according to Lenovo System Update.
Disabling and enabling the device in Device Manager doesn't help.
Any ideas?
Solved!
Go to Solution.

@benc,
Latest driver for the T520 should be 8.32.23.0.
Try updating it and see if it helps.
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=MIGR-76999
//JameZ
Check out the Community Knowledge Base for hints and tips.
Did someone help you today? Press the star on the left to thank them with a Kudo!
If you find a post helpful and it answers your question, please mark it as an "Accepted Solution"!
X240 | 8GB RAM | 512GB Samsung SSD

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
(='.'=)
(")_(")

TS4080 apple thunderbolt display image on display intermittently goes dark, does not wake from sleep after clicking mouse or keyboard, but there is "bonk" sound after clicking mouse or pressing keys. Rebooting by pressing the power button resolves issue.

My apple thunderbolt display (which I purchased 1.5 years ago; OS 10.7.5 Mac Mini) intermittently goes dark, does not wake from sleep after clicking mouse or keyboard, but there is "bonk" sound after clicking mouse or pressing keys, so am thinking it is a hardware problem with the display. Rebooting by pressing the power button turns the screen back on, but the same phenomenon has occurred several times. Could this be a software issue, or do I need to have my display repaired? Your feedback would be appreciated.

Hi ED, tough to tell, but it does sound like it's waking with the bonk, just not displaying.
Long shot but...
I wonder if it's a variation of this, of which I've seen many different symptoms...
Resolution
Move the mouse or trackpad cursor over the center area of the login window so you can see the user icons. Click on the icon of the user that you would like to login as, type in the user's password, and press Return.
If the login window is configured to show only the name and password fields, type in the user's name and password into the fields, and press Return (even if you cannot see the rest of the login window).
Additional Information
This issue will not occur if the display is not sleeping when the account is logged out. Use the steps below to confirm that the account is not configured to log out automatically while the display is sleeping:
1. Open System Preferences > Security & Privacy > General. Click the padlock to unlock the preference pane and enter your admin password. Click the Advanced button at the bottom, then see if the option "Log out after N minutes of inactivity" (where N is the number of minutes) is enabled.
2. Open System Preferences > Energy Saver and configure Display Sleep to occur after the account is logged out, by dragging the slider to a number of minutes that is greater than N was set to in the previous step.
Important: If automatic log out is not needed, disable "Log out after Nminutes of inactivity" in System Preferences > Security & Privacy > General. This will also prevent the issue.
http://support.apple.com/kb/TS4135?viewlocale=en_US

On my new iMac, mail has no sound after waking from sleep. If I select do not wake for network access in general preferences, the problem does not occur. Anyone have an idea on how to fix this?

On my new iMac, mail has no sound after waking from sleep. If I select do not wake for network access in general preferences, the problem does not occur. Anyone have an idea on how to fix this? Thanks --

Same here on an older iMac since Lion. Thanks for the uncheck wake for network access tip though, it doesn't do it either in that case, I will leave it that way.

Loss of sound after waking up from sleep

I am currently using OS X 10.8.5 (12F37). After upgrading iTunes to 11.1 (126) I lose sound after the computer wakes up from sleep. This was not a problem prior to the iTunes upgrade. The only way to correct the problem is to restart or shut down then restart the computer. Are there any other solutions to this event?

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 ...

Windows 7 No sound after resume from sleep p-105

Toshiba p- 105 s6227: No sound after computer wakes from sleep. If I do a complete reboot it works again. I had a similar problem with Vista and ended up not using the HD drivers. The AC'97 drivers worked fine.
NOW: I've upgraded to WIndows 7 64-bit clean install(supported), used the Toshiba Utilitys and am having the same problem. The speaker green bar goes up an down like it thinks it is working. All device drivers say they are fine. Sound troubleshooter finds nothing.
Yes, my volume knob is turned on..... I downloaded and reinstalled the sound drivers, this resarts the sound, but it just cuts out again, after sleep.
Any suggestions or ideas... other than never putting computer in sleep mode?
Thanks in advance!
Gary

glmccready wrote:
Toshiba p- 105: No sound after computer wakes from sleep. If I do a complete reboot it works again. I had a similar problem with Vista and ended up not using the HD drivers. The AC'97 drivers worked fine.
NOW: I've upgraded to WIndows 7 64-bit and am having the same problem. The speaker green bar goes up an down like it thinks it is working. All device drivers say they are fine. Sound troubleshooter finds nothing.
Yes, my volume knob is turned on..... I downloaded and reinstalled the sound drivers, this resarts the sound, but it just cuts out again, after sleep.
Any suggestions or ideas... other than never putting computer in sleep mode?
Thanks in advance!
Gary
It's an acknowledged issue with A215 series laptops:
http://laptopforums.toshiba.com/t5/Windows-7/Satellite-A215-s5824-windows-7-Standby-Problems/m-p/670...
You may want to call Toshiba and let them know it's happening on P105s...

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.

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.

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 sound after sleep

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