usb parallel printer cable unknown device

Some devices can be turned off by the computer when they are not in use in order to save power. Solution 2: Don’t Allow the Computer to Turn off the Device

Check to see if the problem has been resolved and if the unknown USB device has finally been recognized!.

Scan for hardware changes in Device Manager Click the Scan for hardware changes option and it will check for devices without drivers and reinstall them automatically.

You can now go back to Device Manager and click Action from the top menu.

Confirm any dialogues or prompts which may ask you to confirm the uninstallation of the current driver and wait for the process to complete.

Right-click the entry named Unknown USB Device (Port Reset Failed) and choose the Uninstall device option from the context menu which will appear.

The section you need to visit is named Universal Serial Bus controllers.

msc” in the dialog box and click OK in order to run it.

You can also tap the Windows Key + R key combo in order to bring up the Run dialog box. Click the Start menu button, type in “ Device Manager”, and select it from the list of available results by simply clicking the first one.Follow the steps below in order to do so! This will result in an Unknown USB Device description for the device and you will have to reinstall the driver in order to find out which device is problematic. It’s quite possible that the driver installation for the device was canceled or the device was unplugged before the driver could have been installed properly.

USB Debug is disabled – Enabling USB Debug on Dell PCs and laptops has helped people resolve the problem, especially when dealing with USB 3.0 and Windows 7 installation.Make sure you disable this option in Device Manager. The device is turned off – Sometimes the computer will turn off certain devices in order to save power which can cause this problem.Old or broken drivers – Old or improperly installed drivers can make your computer fail to recognize the installed device.

Usb parallel printer cable unknown device