Monitor Fails to Awaken or USB ports Stop Working

Your issues could be that the operating system has set USB to go to sleep. Connect the monitor USB Upstream cable from the bottom of the monitor to a USB port on the rear of the PC. Once connected, the USB ports on the monitor will be active in the operating system. But, due to issues of using the monitor USB ports and powersave modes, the following USB devices should NOT be plugged into the monitor USB ports. They should be plugged into USB ports on the rear of the computer -
Hubs, Hard drives, Wireless Mouse/Keyboard transmitter, Printer, Scanner

Once you have those devices plugged directly into the computers USB ports -

* Open the Windows Power Options
* Open PCI Express and switch Link State Power Management to Off

* Open the Device Manager

* Open Keyboards
* Right click the device
* Left click Properties
* Left click Power Management
* Remove the check from "Allow the computer to turn off this device to save power"
* Be sure "Allow this device to bring the computer out of standby" is checked
* Click OK

* Open Mice and other pointing devices
* Right click the device
* Left click Properties
* Left click Power Management
* Remove the check from "Allow the computer to turn off this device to save power"
* Be sure "Allow this device to bring the computer out of standby" is checked
* Click OK

* Open Network adaptors
* Right click each device one at a time
* Left click Properties
* Left click Power Management (some will not have this tab. skip them)
* Remove all checks
* Click OK

* Open Universal Serial Bus controllers
* Right click each device one at a time
* Left click Properties
* Left click Power Management (some will not have this tab, skip them)
* Remove the check from "Allow the computer to turn off this device to save power"
* Be sure "Allow this device to bring the computer out of standby" is checked
* Click OK

* Close the Device Manager and restart the computer. Now those devices will not "go to sleep"