This issue occurs because the scan codes issued by the keyboard are interpreted differently by each keyboard control utility.
Third-party keyboard control utilities are also provided with Acer, Gateway 2000, and Sony Multimedia computers. Hewlett-Packard Multimedia Keyboard Utility Examples of third-party keyboard control utilities are as follows: This issue can also occur if a third-party keyboard control utility is running on your computer.
This issue may occur if there is a problem with the USB connection on your computer.