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Hello, Start your PC and press Dell/F2/F10 for setup BIOS. Enable on board audio. F10> hit . When the problem will be same ,do another step. Follow bellow.
Check the following,
Speakers, connecting cables and Sound Card are working fine by connecting to another computer.
If the connection ok increase your volume and open the cable from the pc. Now you will touch the stereo jack, can you can listen a sound when touch the jack. If you will not get any sound, think there is the problem in your amplifier or audio system has not any voltage. To confirm the voltage check by multi miter or can go any local Technician .If the voltage is ok, think your sound system defected and should go to Technician.
If your sound system is ok
Speaker Cable connect to an audio port (Audio/Video port in system box).
Ensure Volume is not in MUTE / Low (in Volume Controller).
Audio drivers have installed.
To confirm follow next step or ROLL BACK THE DRIVER
For another check follow the Steps: • Go to Start> • Control panel> • Double click on "System" Icon> (it shows the System PropertiesWindow) • Select "Hardware" Tab> • Select "Device Manager" Tab> (it shows the Device Manager Window) • Select "Sound, video and game controllers"> • Expand "+" symbol> (check the audio Codec's, Legacy Audio Drivers andothers are not in Questioned Mark (?) symbol with yellow color. If there needto install the drivers).
If not, insert the motherboard CD, browse>select audio driver>install. After completion, restart computer and check.
control panel administrive tools computer management device manager any yellow? ! question marks or red x will tell you that you need to reinstall the driver/s to do this right click on the ? x ! select reinstall driver control panel,administrive tools,computer management,device manager scroll to sound,video and game cotrollers could be a yellow question mark? right click to re-install drivers hope this helps
if you mean that you cant get any sound on your computer control panel sounds and audio,volume you can adjust the volume or advanced,speakers select appropriate speakers or audio you will find 3 drop down lists make sure you have selected the right speakers or control panel,administrive tools,computer management,device manager scroll to sound,video and game cotrollers could be a yellow question mark? right click to re-install drivers hope this helps
Go to Start - My Computer, right click on it - Properties - Hardware - Device Manager and in there check that the sound device is correctly identified and loaded (no yellow triangles with ? in them). Then go to Start - Control Panel - Sounds and Audio devices and make sure it's correctly configured and the volume icon option is ticked - untick, save and tick it again to be sure.
1st Step - Check the speaker volume to see if it on a audible level.
2nd Step - Check in the sound properties window in control panel if the sound is muted.
3rs Step - Check the sound properties window shows the name of a device or does it say no audio device installed. If it says no audio device that means the sound driver is missing and u can simply install the driver from the driver cd or download it from your computer manufacturer's website. < Missing driver is one of the most common issues for sound problem >
Another thing that you can try doing incase the driver is present, the volume is up and the speaker is also turned on and you still don't get sound, then you try plugging in a headphone to the system and see if you get sound on the headphone, if you do then that means the speakers are bad. If you don't then your sound card in the system is bad.
I had the same problem, and it went away when I connected the the front speakers via the 'ac97' connector from the case, instead of the HD audio connector. It seems using the HD audio connector, as well as using no connector and forgetting to put back the jumpers originally set over 2 of the front audio connectors pins, will cause no audio from the back ports.