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Knowledge Base Home » ... » VGA USB KVM Switch » Troubleshooting » Document 116

This document was published at: http://information.networktechinc.com/jive/entry.jspa?externalID=116&categoryID=59


UNIMUX-USBV-xUO: The USB keyboard and mouse do not respond after Windows resumes from sleep, hibernation or computer inactivity.
Author: Administrator, Created on: Jun 20, 2007 12:30 PM

UNIMUX-USBV-xUO: The USB keyboard and mouse do not respond after Windows resumes from sleep, hibernation or computer inactivity.

Issue: The USB keyboard and mouse do not respond after Windows resumes from sleep, hibernation or computer inactivity.

Cause: Windows puts the USB Root Hub into a conserve power mode, which causes the UNIMUX USB KVM Switch to lose the USB connection with the computer.

Solution: Turn off Windows' ability to turn off the USB Root Hub by going to:

Device Manager > Universal Serial Bus Controllers > USB Root Hub > Power Management

Uncheck the box "Allow the computer to turn off this device to conserve power." per the illustration below. Uncheck all boxes on all root hubs.