Dell Latitude E6430 Keyboard stops responding


  1. win7dch
    Posts : 3
    Windows 7 Professional 64 bit
       New #1

    Dell Latitude E6430 Keyboard stops responding


    I have several Dell Latitude E6430 PCs that I use external wired USB keyboards with. After a while (~ one hour?) the keyboard stops responding. If I wait long enough (15 minutes?) I can start typing again. It seems that the notebook keyboard also stops responding. I am using external monitors via e-port replicators. There have been times when I am able to type ONLY in a certain field. For example a form in an IE window that is running in compatibility mode. I do not have an issue within VMware Workstation 11.

    I have restored to factory image, reloaded software and still have the problem. I have updated BIOS and drivers. I have removed USB controllers using Device Manager and restarted. Still have issues.

    Systems are using Windows 7 Pro.

    Curious if other software might be causing issues. Some installed programs include MS Office 2013, Notepad++, Paint.net, BeyondCompare, VMware Workstation 11, FileZilla, Greenshot, Google Drive, Chrome, Tracker PDF Viewer, GoToMeeting, Kaspersky Internet Security.....
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  3. UsernameIssues
    Posts : 10,485
    W7 Pro SP1 64bit
       New #2

    As a test, uninstall Kaspersky Internet Security.
    Replace it with MSE:
    Microsoft Security Essentials - Microsoft Windows

    If that fails to solve the issue, leave MSE installed while we work on the issue.

    Try these steps:
    Troubleshoot Application Conflicts by Performing a Clean Startup
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  4. win7dch
    Posts : 3
    Windows 7 Professional 64 bit
    Thread Starter
       New #3

    I found a info regarding display drivers conflicting with USB drivers. I found that the display drivers were in fact old and have updated them directly from Dell and Nvidia rather via MS and Windows Updates.

    I am curious if this will resolve the keyboard issue. If it does not I will consider your suggestion next.

    Thanks!
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  6. win7dch
    Posts : 3
    Windows 7 Professional 64 bit
    Thread Starter
       New #4

    Still having trouble after I updated Display drivers, both Nvidia and Intel.

    I have configured Greenshot to NOT start at startup as I had read about a memory leak. I have also just set Kaspersky to conceed resources to other applications.

    Something odd happened yesterday. The keyboard was working fine until I tried using VM workstation. There was no keyboard response. The keyboard still worked fine outside of the VM.

    Keyboard responds fine after a restart. I have also tried 2 different USB keyboards with the same issues.
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