OPERATIONAL DEFECT DATABASE
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One or both of the following scenarios may occur when using conference applications, such as Teams and Zoom. When Person 2 tries to speak while Person 1 is talking, Person 2's voice cannot be heard during the meeting. When multiple people speak simultaneously, Person 2's voice cannot be heard during the meeting. Note: Person 2 is using one of the affected products. Affected Platforms: Dell Pro Rugged 14 RB14250 Dell Pro Rugged 13 RA13250 Inspiron 14 5440 Inspiron 14 5445 Inspiron 14 7440 2-in-1 Inspiron 14 7445 2-in-1 Inspiron 16 5640 Inspiron 16 5645 Inspiron 24 5430 All-in-One Inspiron 27 7730 All-in-One Latitude 3450 Latitude 3550 Latitude 5350 Latitude 5450 Latitude 5550 Latitude 7350 Latitude 7450 Latitude 7650 Latitude 9450 2-in-1 OptiPlex All-in-One 7420 Precision 3490 Precision 3590 Precision 3591 Precision 5490 Precision 5690 Vostro 14 3440 Vostro 16 5640 XPS 13 9340 XPS 14 9440 XPS 16 9640
Realtek High Definition Audio Driver is the cause.
Updating to Realtek High Definition Audio driver version 6.0.9794.1, A09 or later on the computer resolves the issue. To download and install the driver, refer to How to Download and Install Dell Drivers and Firmware .
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