Dupont Port Devices Driver



If your computer doesn't recognize your connected device, you might see an unknown error or a '0xE' error. If you do, follow these steps and try to connect your device again after each step:

  1. Make sure that your iOS or iPadOS device is unlocked and on the Home screen.
  2. Check that you have the latest software on your Mac or Windows PC. If you're using iTunes, make sure you have the latest version.
  3. Make sure that your device is turned on.
  4. If you see a Trust this Computer alert, unlock your device and tap Trust.
  5. Unplug all USB accessories from your computer except for your device. Try each USB port to see if one works. Then try a different Apple USB cable.*
  6. Restart your computer.
  7. Restart your device:
  8. Try connecting your device to another computer. If you have the same issue on another computer, contact Apple Support.

Update the device driver In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Download the latest drivers, firmware, and software for your HP Officejet Pro 8600 e-All-in-One Printer - N911a.This is HP’s official website that will help automatically detect and download the correct drivers free of cost for your HP Computing and Printing products for Windows and Mac operating system.

For more help, follow the steps below for your Mac or Windows PC.


* Learn how to connect iPad Pro (11-inch) or iPad Pro 12.9-inch (3rd generation) to your computer.

If you use a Mac

  1. Connect your iOS or iPadOS device and make sure that it's unlocked and on the Home screen.
  2. On your Mac, hold down the Option key, click the Apple menu, and choose System Information or System Report.
  3. From the list on the left, select USB.
  4. If you see your iPhone, iPad, or iPod under USB Device Tree, get the latest macOS or install the latest updates. If you don't see your device or still need help, contact Apple Support.

If you use a Windows PC

The steps differ depending on if you downloaded iTunes from the Microsoft Store or from Apple.

If you downloaded iTunes from the Microsoft Store

Follow these steps to reinstall the Apple Mobile Device USB driver:

  1. Disconnect your device from your computer.
  2. Unlock your iOS or iPadOS device and go to the Home screen. Then reconnect your device. If iTunes opens, close it.
  3. Click and hold (or right-click) the Start button, then choose Device Manager.
  4. Locate and expand the Portable Devices section.
  5. Look for your connected device (such as Apple iPhone), then right-click on the device name and choose Update driver.
  6. Select 'Search automatically for updated driver software.'
  7. After the software installs, go to Settings > Update & Security > Windows Update and verify that no other updates are available.
  8. Open iTunes.

If you downloaded iTunes from Apple

Follow these steps to reinstall the Apple Mobile Device USB driver:

  1. Disconnect your device from your computer.
  2. Unlock your iOS or iPadOS device and go to the Home screen. Then reconnect your device. If iTunes opens, close it.
  3. Press the Windows and R key on your keyboard to open the Run command.
  4. In the Run window, enter:
    %ProgramFiles%Common FilesAppleMobile Device SupportDrivers
  5. Click OK.
  6. Right-click on the usbaapl64.inf or usbaapl.inf file and choose Install.
    You might see other files that start with usbaapl64 or usbaapl. Make sure to install the file that ends in .inf. If you’re not sure which file to install, right-click a blank area in the File Explorer Window, click View, then click Details to find the correct file type. You want to install the Setup Information file.
  7. Disconnect your device from your computer, then restart your computer.
  8. Reconnect your device and open iTunes.

If your device still isn't recognized

Check Device Manager to see if the Apple Mobile Device USB driver is installed. Follow these steps to open Device Manager:

  1. Press the Windows and R key on your keyboard to open the Run command.
  2. In the Run window, enter devmgmt.msc, then click OK. Device Manager should open.
  3. Locate and expand the Universal Serial Bus controllers section.
  4. Look for the Apple Mobile Device USB driver.

If you don't see the Apple Mobile Device USB Driver or you see Unknown Device:

  • Connect your device to your computer with a different USB cable.
  • Connect your device to a different computer. If you have the same issue on another computer, contact Apple Support.
Dupont Port Devices driver

If you see the Apple Mobile Device USB driver with an error symbol:

If you see , , or next to the Apple Mobile Device USB driver, follow these steps:

  1. Restart the Apple Mobile Device Service.
  2. Check for and resolve issues with third-party security software, then restart your computer.
  3. Try to install the usbaapl64.inf or usbaapl.inf file again.

Notice

Port

For Windows version 1803 and later versions, if your platform supports the new Kernel DMA Protection feature, we recommend that you leverage that feature to mitigate Thunderbolt DMA attacks. For earlier versions of Windowsor platforms that lack the new Kernel DMA Protection feature, if your organization allows for TPM-only protectors or supports computers in sleep mode, the following is one DMA mitigation option. Please refer to BitLocker Countermeasures to understand the spectrum of mitigations.

Also users may refer to Intel Thunderbolt 3 and Security on Microsoft Windows 10 Operating System documentation for alternative mitigations.

Dupont Port Devices Drivers

Microsoft provides third-party contact information to help you find technical support. This contact information may change without notice. Microsoft does not guarantee the accuracy of this third-party contact information.
For more information about how to do this, go to the following Microsoft website:

Symptoms

A BitLocker-protected computer may be vulnerable to Direct Memory Access (DMA) attacks when the computer is turned on or is in the Standby power state. This includes when the desktop is locked.
BitLocker with TPM-only authentication allows for a computer to enter the power-on state without any pre-boot authentication. Therefore, an attacker may be able to perform DMA attacks.
In these configurations, an attacker may be able to search for BitLocker encryption keys in system memory by spoofing the SBP-2 hardware ID by using an attacking device that is plugged into a 1394 port. Alternatively, an active Thunderbolt port also provides access to system memory to perform an attack. Note that Thunderbolt 3 on the new USB Type-C connector includes new security features which can be configured to protect against this type of attack without disabling the port.
This article applies to any of the following systems:

  • Systems that are left turned on

  • Systems that are left in the Standby power state

  • Systems that use the TPM-only BitLocker protector

Cause

1394 physical DMA

Industry standard 1394 controllers (OHCI compliant) provide functionality that allows for access to system memory. This functionality is provided as a performance improvement. It enables large amounts of data to transfer directly between a 1394 device and system memory, bypassing CPU and software. By default, 1394 Physical DMA is disabled in all versions of Windows. The following options are available to enable 1394 Physical DMA:

Port

  • An administrator enables 1394 Kernel Debugging.

  • Someone who has physical access to the computer connects a 1394 storage device that complies with the SBP-2 specification.

1394 DMA threats to BitLocker

BitLocker system integrity checks mitigate unauthorized Kernel Debugging status changes. However, an attacker could connect an attacking device to a 1394 port, and then spoof an SBP-2 hardware ID. When Windows detects an SBP-2 hardware ID, it loads the SBP-2 driver (sbp2port.sys), and then instructs the driver to allow for the SBP-2 device to perform DMA. This enables an attacker to gain access to system memory and search for BitLocker encryption keys.

Thunderbolt physical DMA

Thunderbolt is an external bus that allows for direct access to system memory via PCI. This functionality is provided as a performance improvement. It enables large amounts of data to transfer directly between a Thunderbolt device and system memory, thereby bypassing the CPU and software.

Thunderbolt threats to BitLocker

An attacker could connect a special purpose device to a Thunderbolt port and have full direct memory access through the PCI Express bus. This could enable an attacker to gain access to system memory and search for BitLocker encryption keys. Note that Thunderbolt 3 on the new USB Type-C connector includes new security features which can be configured to protect against this type of access.

Resolution

Some configurations of BitLocker can reduce the risk of this kind of attack. The TPM+PIN, TPM+USB, and TPM+PIN+USB protectors reduce the effect of DMA attacks when computers do not use sleep mode (suspend to RAM).

SBP-2 Mitigation

On the previously mentioned website, refer to the 'Prevent installation of drivers matching these device setup classes' section under 'Group Policy Settings for Device Installation'.
The following is the Plug and Play device setup class GUID for an SBP-2 drive:

d48179be-ec20-11d1-b6b8-00c04fa372a7

On some platforms, completely disabling the 1394 device may provide extra security. On the previously mentioned website, refer to the 'Prevent installation of devices that match these device IDs' section under 'Group Policy Settings for Device Installation'.
The following is the Plug and Play compatible ID for a 1394 controller:

PCICC_0C0010

Dupont Port Devices Driver

Thunderbolt Mitigation

Beginning with Windows 10 version 1803, newer Intel-based systems include built-in kernel DMA protection for Thunderbolt 3. No configuration is required for this protection.

To block a Thunderbolt controller on a device running an earlier version of Windows, or for platforms that lack kernel DMA protection for Thunderbolt 3, refer to the 'Prevent installation of devices that match these device IDs' section under 'Group Policy Settings for Device Installation' on the previously mentioned website.

The following is the Plug and Play compatible ID for a Thunderbolt controller:

PCICC_0C0A


Notes

  • The drawback of this mitigation is that external storage devices can no longer connect by using the 1394 port, and all PCI Express devices that are connected to the Thunderbolt port will not work.

  • If your hardware deviates from current Windows Engineering Guidance, it may enable DMA on these ports after you start the computer and before Windows takes control of the hardware. This opens your system to compromise, and this condition is not mitigated by this workaround.

  • Blocking the SBP-2 driver and Thunderbolt controllers does not protect against attacks on external or internal PCI slots (including M.2, Cardbus & ExpressCard).

More Information

For more information about DMA threats to BitLocker, see the following Microsoft Security blog:

Windows BitLocker Claims For more information about mitigations for cold attacks against BitLocker, see the following Microsoft Integrity Team blog:

The third-party products that this article discusses are manufactured by companies that are independent of Microsoft. Microsoft makes no warranty, implied or otherwise, about the performance or reliability of these products.