Question about Dell Latitude C840 Notebook
I had the same problem, no sound, plus my touch pad stopped working. I took the keyboard off by removing the 4 screws on the back marked with the K inside the circle, then with a small flat head screw driver I pried up on the "ENTER" key and the entire keyboard lifted up. Under the keyboard you'll see a small ribbon cable with a white connector on it, make sure it's attached to the motherboard. Mine wasn't, after plugging it back in everything worked like new!
Posted on Dec 14, 2009
Install the latest driver from dell
ver 22.214.171.12459 A09
Posted on Aug 06, 2009
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Posted on Jan 02, 2017
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