DELL PRECISION M4500 NOTEBOOK IDT 92HDXXX HD AUDIO DRIVER DETAILS:
|File Size:||15.4 MB|
|Supported systems:||Windows 10, Windows 8.1, Windows 8, Windows 7, Windows 2008, Windows Vista|
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DELL PRECISION M4500 NOTEBOOK IDT 92HDXXX HD AUDIO DRIVER
Failed Sense Pin in Laptops with HD Audio-- [this section does not apply to older laptops with AC97 audio -- see Section 3] Dell laptops with HD audio all models since utilize switching technology in the headphone jack, which is somewhat complicated. These techniques are called the "sense pin" in this article.
When the "sense pin" fails then there is usually this combination of symptoms: That combination of symptoms means that the sense pin is not working for some reason. Failure of the sense pin results in the computer behaving like there is always a plug in the jack.
The software switch that should route audio to the speakers does not get triggered. There are 3 ways to confirm that you have a failed sense pin: Check for the combination of symptoms that I listed. If you have all of them then it is pretty certain you have the failed sense pin.
Note that when you run the audio tests in Dell Diagnostics you should hear audio through the speakers. That is the opposite result from what one would expect. But note that if you do not hear the audio through the speakers during the tests then there is some other hardware problem, not a failed sense pin. Replace the headphone jack.
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If that fixes the problem that confirms that you had a failed sense pin. Restore the laptop to its original factory configuration by using Factory Image Restore on models with Vista, 7 or 8 pre-installed at the factory or PC Restore on models that had XP pre-installed. If the speakers still don't work after restoration and you have the combination of symptoms listed above, that is a definite confirmation of a failed sense pin.
Changing the jack on most models requires replacing the motherboard, but some models have a separate jack circuit board that can be replaced with a new one. See Section lV below for a list of models with replaceable jack boards. See Section V for some workarounds that will help on a few models. Sometimes gentle prodding or application of pressure on the jack case can restore functioning. On some models a salvaged jack can be soldered onto the motherboard -- depends on the design of the MB and one's ability to work on it. But if you are still under warranty then let Dell fix it or you risk voiding the warranty. All Dell laptops Dell Precision M4500 Notebook IDT 92HDxxx HD Audio this ROM-based diagnostic tool.
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Use it to rule out speaker failure. Re-start the computer and at the Dell logo screen tap the F12 key until the One Time Boot menu appears if the computer boots to Windows turn the computer off and try again. Press the button and check if you can hear the beep tones from the speakers. If you do not have the "Perform Quick Audio Check" button then do this.
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Start the PSA tests and when it performs the color test it will ask you if you see the color bars on the screen. Deliberately fail the test by answering no press the "n" key instead of yes.
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When you do that the PSA test will emit a series of beeps. Listen for the beeps. If you don't hear the beep tones that means that the speakers have become disconnected or have failed. You do not have sense pin failure.
If you do hear the tones that means that the speakers are working and are connected. Dell bit Diagnostics Tests.
Most of the older models also had a set of interactive tests named Dell bit Diagnostics. If you have these tests they will run after the PSA tests finish. Dell bit Diagnostics tests the audio chip, not just the speakers like the PSA tests do. However if you have the other symptoms listed above, your audio is working through the headphone jack and the audio chip is okay. In other words you do not need to run the Dell bit Diagnostics, just the PSA tests to rule out speaker failure.
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Here are instructions for the Dell bit Diagnostics. Free Download Dell Precision M Notebook IDT 92HDxxx HD Audio Driver A15 (Sound Card). This package provides the IDT 92HDxxx High Definition Audio Driver and is supported on Latitude E/E/E/E ATG/E/E and Precision M/M that are running the following Windows Operating Systems: Vista and Windows 7. Dell Update Package Instructions for Missing: Notebook.