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Re: no audio out put device installed
There are two likely causes for this:
1. You have an audio driver failure, simply install new audio drivers by determining what kind of sound card you have installed in your computer using device manager and then going to the manufacturer's site to download the newest drivers. Install these, reboot and you should be off to the races.
2. Your onboard sound has failed. Laptop motherboard failure is a problematic issue that could quite easily be the case. Repairs for this kind of damage are covered under warranty but else they are expensive to repair.
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If you are running Windows 7 you can have audio set up to listen to the mic. I would not recommend this though as there is a slight delay from you talking to it coming out of the headphone. This can cause you to stumble on your words. But solely for testing purposes do this if you use Windows 7:
1. RIght click on the speaker icon in the lower right corner of your display and select recording devices.
2. Make sure the microphone you use is highlighted blue then click properties button in lower right corner of the window.
3. Click on the listen tab, then check the box that says listen to this device.
Right click on the speaker icon in the task bar, lower right hand corner of the screen.
Select "Adjust Audio Properties."
In the popup box, go down to "Speaker Volume." Click "Advanced"
In the new pop-up, make sure that "Laptop speakers" is selected. Click all the OKs you need to in order to establish that setting and clear out of "Adjust audio properties."
Now you SHOULD have much better sound from your speakers.
For some reason, my D250 keeps defaulting to "Stereo headset" which produces much lower volume sounds when a headset is not inserted. So low that you can't watch and hear a video through the speakers and understand what is being said. Once you switch to "laptop speakers" you'll be able to hear stuff. It won't be high volume, these things just don't put out high volume, but it will be reasonably audible, if this was the problem.
The most likely causes for this is:
External Speakers not turned on.
Turn them on...
Driver for the sound device isn't installed:
If you see the little speaker icon down the bottom right hand corner of your screen (near the clock), your sound card device driver is working well.
If it is not visable, the sound card device driver may or may not be working.
Go into the start button, select settings (if available), then control panel, Sounds and Audio Devices.
Select the Audio tab
Ensure that you have a 'default device' set.
If you get any errors when going into the sound and audio devices tab stating that you have no audio devices installed, then its most likely a driver issue.
In this case, refer to your local computer shop to have the audio drivers installed.
Driver for the keyboard sound function not installed or not running.
Reboot then test it.
Reinstall the driver, test it.
go to www.hp.com. on the bottom of the laptop there is a white sticker. find the P/N # and get ther first 7 numbers/letters. on the hp website there is a search box in the to right hand corner, type that number there. it will bring you to a page to select you model or to download drivers.
may be the drivers are not installed if so install the drivers which
will be available in the manufacture cd given to you at the time of
purchase ... you can check the audio driver is installed or not from the following : control panel >(classic view) sound & audio devices .... if you have installed the audio driver it will display in this other wise it will display that no audio driver installed .... if
you already installed but also if it is displaying like that means
there must some conflict in the drivers you can check that from the
following : control panel> (classic view)system>hardware>device manager in this check the multimedia audio codecs are installed or not ... check is there any conflict by going to the properties by clicking on the audio codecs .... if so reinstall the driver by uninstalling it .......
or the audio device might have got disabled in the bios settings
just go to bios (by pressing F2 at the time of booting) & check it if the audio device is disabled or enabled .... if it is disabled then just make it enable .....
these are all the possibilities just have a check with these basically .....
if these are correct means then only one last possibility that is :
there may be some problem in
the speakers ....just contact the technician or make use of the warranty if you have it ...
in compaq presario laptops upto this time as i have seen there will be many problems just like after some days the speaker will not work etc .... so just contact the technician or make use of the warranty ...
if the capacitor is gone then you must get it replaced by the motherboard technician ....
just by having the check with these your problem will be solved
any doubts reply me i am always here to assist you thank you bye rate my solution