78
Appendices
7. The USB port of your computer may not work properly.
Please contact your IT staff.
Q3 Why is the utility icon red (
), not green (
/
/
/
/
/
/
)?
A: A red icon (
) indicates a failed connection. This may be
caused by the following:
1. Check if the interactive function is enabled in the OSD.
2. Unplug/re-plug in the USB cable and check again.
3. Switch to another USB port and check again.
4. Restart your computer and check again.
5. Go to Power Options in Control Panel; check the USB selec-
tive suspend settings status in USB settings under Advance
Settings. Switch to “Disabled”.
6. Go to the of
fi
cial website of the laptop/PC manufacturer, and
update the USB driver to the latest version.
7. Go to the of
fi
cial website of the laptop/PC manufacturer, and
update the BIOS driver to the latest version.
