Failed sound driver is one of common problems computer owners experience. The driver is stop functioning, so no audio come out from the computer. This might not a big issue to some people, but others might feel that this is something that must be fixed because sound is needed to get the job done. Audio driver problem often frustrate many people because when they try to reinstall the driver, it fails. How to install the laptop driver is one of common question Lenovo Thinkpad T61 & T60 owners had in mind when they experienced this issue.

When you go to Device Manager, you can find Audio Device on High Definition Audio Bus with an icon of question mark/exclamation mark. The 7ka114.exe downloaded from Lenovo website doesn’t fix this problem, even after reboot and reinstallation.
If the driver installation failed, you should check the OS compatibility. It might be that the laptop drivers are not compatible with your current OS so it fails. Some drivers also have the manual / instructions on how to install the driver so you should follow it religiously.
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