Sound Device not working but everything seems to be installed and working
There are no sound coming from my computer. I tried every program that would play sounds and none made a sound.
Out of the blue, I began to hear a beep instead of the regular windows systems alert sounds. When I checked the system sounds, I had no audio i/o. When I tried to open the volume control, it says that I have no active sound mixer available. Windows Media won't play because I have no sound device installed.
I've tried system restore, running virus scan, rebooting, resinstalling sound driver...but everything on the device manager is working properly.
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Does the icon come up in the tray if so check
to see if it is not muted
Go into device manager/propersties and see if it lists any problem,if it says everything is working properly remove it and let it check for changes in device manger when it reisstalls see if that works
The pivotal action in trying to isolate and diagnose the specific cause of any computer fault is to think back to when the computer was working normally and then list any hardware, software or settings changes between that time and when the fault you are experiencing first appeared. Audio problems are often simple settings problems. Before you try anything else think if you have connected any new device or installed or used any new software on the computer that is Audio-related (such as a cellphone, an MP3/MP4/MP5 player, a bluetooth device, a microphone, a Voice Over Internet Protocol [VOIP] Headset or multiplexing device, a dial-up modem or dial-up modem based transaction or stock keeping or postal franking device, a multimedia player, a speech recognition program, media playing software, fax/phone software, etc., etc. Any of these sorts of devices or software are capable of changing a computer's default audio settings. Reset the audio to the correct default device - start -> control panel -> sounds speech and audio devices/hardware and sounds -> audio -> select main audio on-board chip or sound card from the Playback Device drop down menu or the panel of different device options -> apply -> OK -> restart computer. Often this is all that needs to be done to restore audio that has been disabled by settings changes.
If not then turn your mind to a possible Audio/sound Driver conflict, corruption or deletion. Uninstall all components of the installed Audio/Sound Driver from Add or Remove Programs/ Uninstall a Program or its equivalent in your Operating System - > restart the computer -> reinstall the Audio/Sound Driver from the Drivers and Utilities Installation Disc or download, save (so as to create and keep on the computer the Sound/Audio Driver Setup Files in case of future Sound/Audio Driver problems) and install it from the Support and Download pages of the Acer website -> restart the computer. The Sound Audio Driver for this model can be downloaded from :
Is a program that makes your computer talk to the audio device in it. Without one your aduio device will not work and you will not get any sound.
Most operating systems come with the audio driverm but occassionally you may have to download and install one yourself. If you add a new audio card to your computer, most likely it will come with a CD that contains the audio driver.
Audio drivers as all drivers must match the Operating system you are using (Windows XP, Windows Vista, Windows 7 (32 or 64 bit), OS X, etc...)
If there is no device in Device Manager and the correct driver does not install, you have a hardware failure. The sound portion of your laptop motherboard may be malfunctioning; probably is. As it is a notebook, installing a new sound card is not an option. You could have a new motherboard installed, but the cost of that starts approaching the cost of a new notebook. If you cannot live without sound, time to look at a replacement. These days, PCs are made to fail in about 2-3 years either by a failed motherboard or a failed hard drive. If you get past 3 years, you are lucky. Backup everything while you can. I use an external USB hard drive and the Free version of Macrium Reflect to make a disk image; that way, I save all of my data as well as software programs.