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ive got u covered!!!!!!!!!!!! my mom had the same problem and i fixed it... if go to controll panel and then sound... somewhere in there, there should be a place where you can enable/disable the sound on the computer... if it is already enabled, disable it and then reenable it... if it is disabled, enable it...
You didn't provide a model for your Envision monitor, so I can provide specifics - but here's a few things to try: (1) Start an audio program on the computer (mp3, CD audio, movie, etc. (2) Disconnect the audio patch cable from the computer's speaker jack and plug in stereo headphones. Adjust the volume on the computer's audio control panel to set the volume. If you're not receiving any sound - make sure you're plugged into the speaker jack (this is often the green jack). If you now hear sound, continue to (3). If you are unable to hear any sounds - your problem is INSIDE the computer. More on this later. Continue to the next step. (3) Disconnect the headphones and try the audio patch cable between the computer and monitor again. Make sure you're using a stereo cable - it has 2 individual contact points on the plugs - mono cables have just two. Pay close attention to the jacks if more than one are offered on the monitor (some monitors have power output jacks, etc.). Select the "LINE IN" or "SPEAKER IN" jack on the monitor. Be sure the plugs are firmly seated into the jacks on both the monitor and computer. (4) Check the menu settings of the monitor to make sure that the speakers are enabled (or not disabled as the case may be).
if you were unable to hear audio in step (2) above, there is a problem with the audio circuit in the computer. Some things to check are: Is there a volume knob on the sound card that is turned to minimum? Are (all) the correct drivers installed for the sound card in control panel? Is the sound card enabled? Does the sound card have a problem indicated by an "x" or "!" on the icon in control panel? Many times, "uninstalling" the device in control panel and the "scanning for changes" to reinstall will solve the problem. Other times, it is an output device issue: Have you selected "Speakers" as the output (not HDMI or Digital Audio).
If still unable to get sound working, provide the Envision model number along with computer name & model or the sound card name and model. If the sound is built into the motherboard, provide the mother board name and model. With that info, it will be easier to get the info you need.
Hopefully, you got the sound working with the tips I provided above. Please rate my reply. Thanks.
Assuming you are running some version of Windows, open the System Control Panel. Click on Device Manager to look at your hardware. Check your Sound devices. If you see a yellow or red icon over the one for your sound card, it is disabled or missing something. In that case, right-click on it to see what's going on - select Enable if it is disabled, otherwise select Properties for more information. You may have to disable the on-board sound to prevent conflicts.
Onboard audio is disabled in the BIOS The BIOS Setup
program is accessed by pressing the <F2> key after the Power-On
Self-Test (POST) memory test begins and before the operating system
boot begins. Go to the Advanced > Peripheral Configuration menu to
make sure onboard audio is enabled. Audio settings in the sound mixer are incorrect Check your audio mixer software to ensure audio is not muted or the volume level is not turned too low. The speakers or headphones may be connected to the wrong jacks Make sure you connect all speakers to the correct jacks. If you connect them to line-in or microphone jacks, they won't work. Audio drivers are not properly installed Check Device
Manager under the Sound, video and game controllers section for any
errors associated with the audio driver. Reinstall the audio driver if
necessary. Audio to back panel is muted if front panel is connected Check
your audio mixer software for a setting that mutes back panel audio if
you have plugged headphones into a front panel audio solution. Uncheck
this setting to allow audio to both the back and front. Sound Playback is set to wrong device In Control Panel
> Sounds and Audio Devices, go to the Audio tab. Check the default
device for sound playback; there may be multiple selections. Select the
desired device, either rear panel or front panel.
1. If you mean speaker being mute, get in to control panel and sound and audio device.
2. If you mean the sound adapter is being disabled, go to control panel choose system. choose hardware and go to device manager. look for your audio adapter, right click and choose enable.
I had the same problem and solved it by selecting "Disable front panel jack detection" in the Realtek HD Audio Manager "Connector Settings" dialogue box.
Running Windows 7 Ultimate 64-bit on an ASUS P6X58D motherboard w/ integrated Realtek audio chip.
Change it in your sound properties. Windows XP: Start->Control Panel->Sounds and Audio Devices->Audio tab->Change Sound Recording to your other input device and click OK.
If this is Vista, let me know and I'll post directions for that.
I found many references to this issue but I am not sure which may apply
to your problem. Here is a set of steps to follow from another site:
(Assumes Vista and Realtek)
Open Vista’s Control Panel (Window | Control Panel)
Open the Realtek Audio Manager (not “Sound”)
In the navigation bar in the far right, there is a little yellow
folder icon. It is just below “Device advanced settings” and above
“ANALOG”. Click the folder icon.
Click “Disable front panel jack detection” so that a yellow check
mark shows up. Hit “OK”, and close the Realtek HD Audio Manager. That
should re-enable the sound.
Start>Control Panel>(Sounds, Speech, and Audio Devices>)Sounds and Multimedia (or Audio Devices)
In here go to Audio (tab at the top). On the sound playback device select, "Volume." Move the main audio playback slider up to increase the volume.
If for some reason there are no audio devices listed in the Sound control panel (unlikely), there is a possibility that your audio ports have been disabled (again, unlikely).
Go to your device manager by right-click My Computer (Either located in your start menu or on your desktop) and go to Properties. Now select, "Hardware." In here click the button, "Device Manager."
The device manager should appear. Look at, "Sound, video, and game controllers." If anything in this category is listed as disabled try enabling it, then exit the device manager.
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