Thanks for the post of EJN63 but I already have sp1 and I used these drivers on my initial install. Would you be kind enough to advise me on how to solve this problem? I sought the support of drivers Dell, I installed the software My Dell and even installed the driver Intel utility update but could not solve the problem. I had to reimage my laptop Dell Latitude 3540, who recently bought with Windows 7 Enterprise 64-bit, and although I could install all drivers successfully, I have a yellow exclamation mark on my device manager next to (USB) Universal Serial Bus controller.
Still having problems? Go to the Acer Service and Support site, input the make and model of your computer, and then click Search to find articles specifically related to your problem.Universal Serial Bus (USB) Controller, pilot missing You will be presented with a variety of articles and solutions to help you recover your system. Simply head to the page, and choose the appropriate software version. The Acer Recovery Management software can be downloaded from Acer's official site. How to download Acer Recovery Management tool? Once downloaded, you can access the software from your Start screen by searching for Care Center and then double-clicking the program to launch it. To download the software, head to the official Care Center page and click Check Compatibility. The Acer Care Center can be used to find any information pertaining to your system information, hardware diagnostic tools, and software updates. This article will introduce you to some of the Acer support tools available to you so that you can find the one that's right for your situation. Among the tools offered are their Care Center, which provides information about the hardware and software on your system, and their eRecovery Media software, which can be used to restore your system to its factory default. Acer offers a number of free Recovery Management Tools to help you detect and fix any problems with your computer.
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