Intel Trusted Execution Engine Interface Driver

Yellow bang probably appears on Intel(R) Trusted Execution Engine Interface(Intel TXEI) device after this driver is installed under Windows 7. This symptom happens when Windows update package KB2685811 is not installed on the system.

It is recommened to install KB2685811 by one of the following methods.
1. Windows Update. It is available from Windows Update. Connect to the internet and Open Windows Update under Control panel, then click Check for updates and install KB2685811 for your computer.
2. Download and install the update package following instructions in this link: http://support.microsoft.com/kb/2685811/en-us
3. Another simple and effective method is that make sure Dell Touchpad driver for Inspiron 3531 is installed on your system. KB2685811 will be installed together with Touchpad driver because it is combined into the driver package.

Dell Update Package (DUP) Instructions

Download

1. Click Download File to download the file.
2. When the File Download window appears, click Save to save the file to your hard drive.

Installation

1. Browse to the location where you downloaded the file and double-click the new file.
2. Read over the release information presented in the dialog window.
3. Download and install any prerequisites identified in the dialog window before proceeding.
4. Click the Install button.
5. Follow the remaining prompts to perform the update.

Reboot will be required