EliteBook 8440p: button Mute LED Touch doesn't change color.

My laptop has a Ribbon bar buttons touch LED above the function keys. In this document, the 3rd button on the right is the button mute volume. When they are affected (as expected) he cut the sound or vice versa. But the problem is it stopped to change the color of Cyan to Orange when cut (and vice versa). Although earlier he did change color as expected.

I even tried the taskbar sound mute, but even then it does not change color. The LEDhardware's alright (no fault of material here). I can tell because when I turn on my laptop, this is the case, as expected, go orange.

Hello

Try the following.

Download IDT Audio Installer on the link below and save it in your downloads folder.

http://ftp.HP.com/pub/SoftPaq/sp46501-47000/sp46721.exe

One time finished, open windows control panel, open Device Manager and open sound, video and game controllers.  Right click on the IDT device and select uninstall - also, you should get a command prompt to delete the current driver, check the box allow this and then proceed to uninstall.

When you're done, shut down the laptop, unplug the AC adapter and then remove the battery.  Press and hold the Power button for 30 seconds.  Reinsert the battery and plug in the AC adapter.

Allow Windows to fully - charge it will automatically load an audio driver, but let just this complete.  Then open your download folder, right-click on the IDT Installer and select "Run as Administrator" to launch the installation.  Once done, restart the laptop.

Kind regards

DP - K

Tags: Notebooks

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