Question about IBM ThinkPad R40 2722 Notebook

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No Sound on R40

When plugged into a docking station there is sound. That leads me to believe that there is nothing wrong with the sound card just as device manager shows. But the speakers and headphone jack do not produce any sound from the laptop itself. When in system devices in the device manager the system speakers show no driver. I have tried every sound drive and still no luck. I went into bios but there is nothing pertaining to sound.

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Your system may be designed this way. But you can refer to its manuals or online support to find out whether your PC really supports audio. Another thing is that the socket in your laptop may have lost its connection to the motherboard. But first thing you should check is that whether your operating system detects any new hardware. If yes just find the driver for it. You can download drivers from the manufacturer's website.

Posted on Oct 05, 2007

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Posted on Jan 02, 2017

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