24in Internal USB Motherboard Header to Parallel Adapter

If the USB device does not work after your computer has been in extended hibernation, it is likely that Windows has automatically turned off the USB Root hub to save power. 

The steps below outline how to configure the USB root hub to stay on during hibernation, to prevent this from happening.
 

Windows 10 / 8

1. On your keyboard, press the Windows key + X and select Control Panel.
2. Click Hardware and Sound, then click Power Options.
3. Click Change plan settings for the plan you want to change.
4. Click Change advanced power settings.
5. Click the plus sign (+) next to “USB settings” and “USB selective suspend setting” to expand the options and change the setting to Disabled.
6. Click OK to apply the setting.

Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.

Windows 7 / Vista

1. Click the Start button and select Control Panel.
2. Click Hardware and Sound, then click Power Options.
3. Click Change plan settings for the plan you want to change.
4. Click Change advanced power settings.
5. Click the plus sign (+) next to “USB settings” and “USB selective suspend setting” to expand the options and change the setting to Disabled.
6. Click OK to apply the setting.

Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.

Windows XP

1. On your desktop, right-click the My Computer icon and select Properties.
2. Click the Device Manager tab.
3. Expand Universal Serial Bus controllers by clicking the arrow to the left of it.
4. Right-click the first USB Root Hub device and select Properties.
5. Click the Power Management tab.
6. Clear the box next to Allow the computer to turn off this device to save power.
7. Click OK to apply the setting.
8. Repeat steps 4-7 for any remaining devices in the Universal Serial Bus Controllers section with “Root Hub” in the name.

Note: You may need to disconnect and re-connect your USB device after applying these settings to re-establish the connection.

When you troubleshoot issues with a parallel device, there are some quick tests that you can complete to rule out potential problems. You can test to make sure that the following components are working correctly and are not the source of the issue:

• Parallel cables

• Parallel ports

• Parallel devices

To test your setup components, try the following:

• Use the parallel cable, parallel port, and parallel device in another setup to see if the problem is with the components or the setup.

• Use a different parallel cable, parallel port, and parallel device in your setup to see if the problem persists. Ideally, you should test a component that you know works in another setup.

When you test your cables, it is recommended that you do the following:

• Test each cable individually.

• Use short cables when you are testing.

When you test the parallel ports and parallel device, it is recommended that you do the following:

• Press the Windows key + R, type devmgmt.msc, and press Enter. Check to see if the parallel ports and parallel device is listed under Ports (COM & LPT).

• Make sure that the LPT port number is the correct number for the parallel device and that the software being used to connect the computer to the parallel device uses the correct LPT port number. 

• If you do not see the LPT port number in Device Manager please see this FAQ for PCI/PCIe expansion cards: https://www.startech.com/support/faqs/technical-support?topic=expansion-cards#pci-pcie-cannot-boot-os-or-detect-windows
  or this FAQ for USB devices: https://www.startech.com/support/faqs/technical-support?topic=expansion-cards#usb-cannot-detect-windows

• If the device is listed with an error, follow the instructions on the website to reinstall the drivers.

Note: Some parallel devices only work if the LPT port number is between a certain range, usually LPT1 or LPT2.

This issue was the result of a Windows update that has recently been fixed in the KB3140743 update. If you are still experiencing this issue, download the latest Windows update.

You can also temporarily resolve the issue by completing the following:

1. Press the Windows key + X.
2. Click Device Manager.
3. Expand the section for Ports (COM & LPT).
4. Right-click on the LPT port that is experiencing the issue.
5. Click Properties.
6. Click the Port Settings tab.
7. Under Filter Resource Method, select an option that is not currently selected.
8. Click OK.

To confirm that Windows detects your USB device, complete the following:

1. Press the Windows key+R, type devmgmt.msc, and press Enter.
2. In Device Manager, under the appropriate heading, confirm that your expansion card is listed and that there isn't an exclamation mark next to it.  For example, a USB controller card would be under Universal Serial Bus controllers.

Your USB device is listed according to the name of the chipset. To determine the name of the chipset of your USB device, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.

To confirm that the Mac OS detects your USB device, complete the following:

1. Click the Apple icon.
2. Click About This Mac.
3. Click More Info or System Report.
4. Under the appropriate heading, confirm that your USB device is listed and that there isn't an error. For example, a network card would be under Ethernet Cards.

You may need to refresh the System Information page after you plug in your device.  To do so, press Command + R with the System Information page open.

Your USB device is listed according to the name of the chipset. To determine the name of the chipset of your USB device, navigate to www.StarTech.com and look on the Technical Specifications tab for your product.

This USB parallel device is only intended to be used with printers. Your operating system will register this device as a USB Printer Support device and not as an additional LPT port. If you need a USB parallel device to handle parallel devices in addition to printers, consider the ICUSB2321284.