Google Patents US6047124A - System and method for tracing device drivers using a computer Reboot the computer and see is the USB ports on the Display now work.US6047124A - System and method for tracing device drivers using a computer.(repeat on all USB Root Hubs) ( Figure 1) Uncheck the box 'Allow the computer to turn off this device to save power.Right-click each hub, click Properties on the drop-down list then click the Power Management Tab.At the bottom of the list will be at least 2 and as many as 10 USB Root Hubs.Open Device Manager then click the arrow next to USB Serial Bus Controllers.One issue you can test is to check the USB Root Hub properties of your computer to ensure that Windows is not turning off the port to save power. Troubleshoot the USB Input to your System If the USB uplink works on another computer, then the issue is likely a USB issue with the original computer. The last test for the display itself is to connect the USB uplink to another computer and see if the USB port is recognized and works on that computer. Plug the device directly into a USB port on the computer to verify that it works.Ĭonnect the USB Uplink Cable to Another System Try the USB Device in a USB Port on the Computer Port damage is not a warranty support issue unless the device has active accidental damage coverage. Inserting a USB device backwards damages the connection and the plastic spacer may get knocked out of the port.

If another port works, check the port for damage. Unplug the USB device that you are trying to use and plug it into a different USB port on the monitor. Verify that the monitor power light is on and shows your computer display. Run the Diagnostic Test on your USB Portsīrowse to the Dell USB Diagnostics page and follow the prompts, to help identify, and fix issues with your computer.

Before checking the USB connection, ensure that the monitor has been on for at least 15 seconds.Try a different USB cable to ensure that the issue is related to the cable.Ensure that the other end of the USB cable is connected to the computer.Ensure one end of the USB cable ( Figure 1) is connected to the USB connector next to the other connectors on the monitor ( Figure 2).įigure 1: Upstream USB cable showing the end that plugs into the monitor.įigure 2: EXAMPLE: P2314T LCD Display USB Type 2-USB uplink connection from computer to enable USB ports on the display,.Ensure that there is a USB cable connecting the monitor to the computer in addition to the video cable.Ensure that the Upstream USB Cable is Connected

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