Question about IBM ThinkPad T42 Notebook

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Why is my in built speakers not working, it's not muted, the software and hardware is working, but no sound is coming out?

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  • 232 Answers

The audio drivrs for your laptop are not installed
Download the drivers from the below link and you should be able to hear the sound on your notebook

http://www-307.ibm.com/pc/support/site.wss/migr-61604.html

Posted on Jan 03, 2011

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1 Answer

No sound coming from built in speaker


Is your computer custom built? Or a factory built one? If it's factory built I'm going to need the model name.. For an example I have a Dell A950. It's name can normally be found on the front or back.

I need this because I can't help you solve your problem if I have no idea what hardware you have. Therefore I can't know where to get the driver to fix your speaker. The built in speaker probably needs a specific driver to be used.

Apr 09, 2013 | Computers & Internet

Tip

Troubleshooting Laptop Sound Problems - No Audio Output


Symptom:

Can't hear any sound out of my laptop.


Diagnosis & Solution:

If you can't get any sound out of your laptop, the most likely cause is the volume being turned down or muted. Newer laptops monitor the external sound control so when the volume is turned up or down manually, the volume control in the operating system tracks right along with it. But with some laptops, especially those with external dial volume controls rather than toggles, the volume dials are independent of the software volume control and can't be monitored in software. In this case, if the volume dial is turned down on the outside of the laptop, the sound is turned off and nothing can be done in the operating system to change that. The only way to get the sound back is to turn up the external volume dial control.

If you have checked the external volume control on the laptop and the standard laptop volume slider in the operating system (the little speaker icon in Windows system tray) & you still can't get any sound out of the laptop, then the next step would be to check for any other software volume controls. Depending on the software installed and what you are trying to do, there may still be multiple volume controls and mixer panels scattered about the operating system. If the wrong channel is muted or turned down all the way in one of these independent controls, the laptop will not produce sound.

Most of the time, the first sign most laptop users get that their audio isn't working is the absence of operating system sounds, like the Windows rush on start up, or chimes with e-mail activity. Of course, these sounds can be turned off by design as well, through the Sounds option in Windows Control Panel. So, before looking at hardware problems, make sure these sounds are not turned off.

If you try to play an audio CD and the media player shows that the song is progressing but you can't get any sound out of the laptop speakers, odds are that the volume is turned down or muted. But it could also be due to an onboard sound hardware failure. If you are confident the volume is turned on in all possible locations and you've checked Windows Device Manager for a report of a hardware failure, try listening through headphones. If the headphones work, the wiring to the internal speakers has broken or come loose. Wiring failure is only likely if the speakers are in the lid and therefore wired through the hinges.

If you don't get any sound out of the headphones & you haven't missed a "mute" being checked off somewhere in software controls, then it really is a hardware failure. If the problem is with all sounds, including Windows chimes, internet radio, etc, then the problem is that the integrated sound processor has failed. In this case, unless the sound system is on a daughter card, it means the fix would require replacing the motherboard. But if the only thing you can't do is play audio CD's, then the problem is that the output from the DVD/CD player is muted or not getting to the amplification stage.

In modern laptops the DVD/CD players feature Digital Audio Extraction (DAE) which means that music CDs can be read digitally & the data passed to the built-in sound card or an external sound card replacement for processing, amplification then output. If there's a problem with the DVD/CD connector or if the wiring has been damaged, the music CD may get spun around without the sound making it to the sound card. The DAE output chip rarely fails on the CD/DVD drive, but the connector can fail. Make sure that digital playback is enabled in the properties tab of the drive in Device Manager.

You can replace your built-in laptop sound card with a PC card, with a USB sound card or USB speakers. These replacements make good workarounds if the integrated audio system fails. They also bring with them a whole new level of software with more volume controls, which are integrated with the existing operating system software. When shopping for replacement sound cards, keep in mind that USB solutions are much cheaper than PC cards. Also, when purchasing USB speakers to replace the laptop's sound system, don't buy speakers advertised as "USB powered". The "USB powered" speakers only draw their power from the USB port, they still need to be plugged into a regular audio jack to output any sound.

Please Vote for this Tip if you found it helpful.
M. Omran

on Nov 03, 2010 | Computers & Internet

1 Answer

The speaker of my computer doesn't work even the headphone what do you think the problem is?


1. Check the mute button - some computers have a hardware mute on the case. Also check the software mute button.
2. Check you default sound output device in the sound or audio control panel. Which device is the default output device?
3. Does windows "chime" when it starts?

Jul 04, 2011 | Computers & Internet

1 Answer

No sound from built in speakers but headphones work


Have you checked the speaker settings? Make sure that all settings are NOT muted. One selection that is muted maybe where the sound is generated from. Such as MIDI playback. Otherwise it has to be either a missing update/driver or damaged speakers.

Oct 06, 2009 | Compaq Presario Notebook

1 Answer

No sound from built in speakers


Have you checked on your hardware list to make sure the device is functioning properly? It may have something to do with the driver as well.

Sep 30, 2009 | Toshiba (4CH-VOUT) Sound Card

1 Answer

Sound Not working


its possible that it is a software issue or that the speakers simply just burned out

Jul 06, 2009 | Microsoft HP Pavilion DV6276US Notebook PC

2 Answers

No sound at laptop speaker but audio output is ok


I have lenovo notepad 3000n100 with winXP sp2.
I downloaded realtek audio from ibm site and installed.
Now sound is coming at my output port but the in-built laptop speaker is not giving any sound output.
The hardware is ok as the sound was coming at in-built speaker before formatting. The previous audio driver set up file i have lost.
Plz help.

Apr 16, 2009 | Lenovo 3000 N100 CoreDT2080 VB PC Notebook

1 Answer

EMac sound will randomly go to FULL BLAST


If you don't get it fixed, try hooking up external speakers. The external speakers have a hardware switch that prevents it completely from going to the built-in speakers.

Jan 27, 2009 | Apple eMac G4 Desktop

1 Answer

No sound from built in speakers


the built in speakers on the monitor are only speakers, they are not run through the video signal cable and have to be connected separately.
many monitors with speakers provide a stereo cable in the package but dont tell what the cable is for.
If there is a cable provided there will be a small jack on the monitor that connects to audio out on the sound card.
There may also be a stereo plug combined with the video cable, that likewise connects to audio out.
If the hardware is connected, there may be a volume control on the monitor that may be muted.
If the problem is a recent thing for a system that previously had working sound with this monitor, try the mute on the audio settings

Jul 12, 2008 | HP vs15 15"LCD Flat Panel Monitor

2 Answers

No sound when I play BBC i Player/Radio etc.what to do?


We cannot yet tell if the issue is software or hardware related.
Do you get sound from any apps? If not, verify that the device and drivers are working properly.
Are your speakers built in or external?
If built-in, and no sound comes from any apps, your sound card may be bad, or drivers need reinstalling. Check the driver status using Device Manager.
If the speakers were/are external, be sure that they are securely pluged into the correct port - speaker and not microphone jack, for example - common mistake.
Be sure that the power supply for the external speakers is working. Do you have a status light on them to verify if they have power?
My suggestion would be to try another pair of speaker if you have them. Even if you used internal speakers in the past, external may work fine as a work-around.
Hope this helps.
DigiChick

Jun 06, 2008 | Adobe Photoshop 7.0 for PC

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