Ctrl Keys suddenly not working

Posted on 2014-08-24
Last Modified: 2014-08-24
I have a Toshiba Satellite C855 where both Ctrl keys simply quit. Here's what I've tried so far.

I tried pressing Ctrl + Alt + Fn (Numerous websites suggested this for a Toshiba machine.)
I tried re-installing the keyboard drivers (by uninstalling the driver in the Device Manager and rebooting).
I tried rebooting in Safe Mode to determine if a particular app was causing the problem.

None of these steps fixed the issue.
Question by:jdana
    LVL 89

    Accepted Solution

    Can you try a different (USB) keyboard?  Given that you uninstalled and reinstalled the driver, it would seem to possibly be a keyboard error.

    Check Accessibility (Control Panel) that you have not engaged accessibility features.

    Author Comment

    Thanks John,

    Sure enough, the Ctrl key on an external USB keyboard worked. Since the driver re-install didn't fix the Ctrl key on internal keyboard AND the Ctrl key on the external keyboard did work, I'm thinking it's a hardware issue. Agreed? (The fact, however, that both Ctrl keys quit at the same time makes me a little skeptical that it's the hardware.) Your thoughts?

    LVL 89

    Assisted Solution

    by:John Hurst
    It would certainly be a hardware issue at this point based on the fact that a USB keyboard works. Ctrl is usually the same basic signal. Left Ctrl Alt Del is the same as Right Ctrl Alt Del. So it is probably some common circuitry.

    Author Closing Comment

    Thanks John,

    Sure appreciate the assistance.

    LVL 89

    Expert Comment

    by:John Hurst
    @jdana  - You are very welcome and I was happy to help

    Write Comment

    Please enter a first name

    Please enter a last name

    We will never share this with anyone.

    Featured Post

    Looking for New Ways to Advertise?

    Engage with tech pros in our community with native advertising, as a Vendor Expert, and more.

    Suggested Solutions

    Title # Comments Views Activity
    Blue screen window 10 update 54 67
    Bluetooth speakers and my laptop 5 34
    Missing Visual C++ 10.0 Runtime 5 41
    Internet bottleneck? 11 48
    If you use NetMotion Mobility on your PC and plan to upgrade to Windows 10, it may not work unless you take these steps.
    Lithium-ion batteries area cornerstone of today's portable electronic devices, and even though they are relied upon heavily, their chemistry and origin are not of common knowledge. This article is about a device on which every smartphone, laptop, an…
    Windows 8 comes with a dramatically different user interface known as Metro. Notably missing from the new interface is a Start button and Start Menu. Many users do not like it, much preferring the interface of earlier versions — Windows 7, Windows X…
    This Micro Tutorial will teach you how to reformat your flash drive. Sometimes your flash drive may have issues carrying files so this will completely restore it to manufacturing settings. Make sure to backup all files before reformatting. This w…

    761 members asked questions and received personalized solutions in the past 7 days.

    Join the community of 500,000 technology professionals and ask your questions.

    Join & Ask a Question

    Need Help in Real-Time?

    Connect with top rated Experts

    10 Experts available now in Live!

    Get 1:1 Help Now