Lenovo T400 touchpad tapping and buttons fail


  1. dsmith888
    Posts : 53
    windows 10
       New #1

    Lenovo T400 touchpad tapping and buttons fail


    I recently made a mistake. I loaded the latest Synaptic touchpad to this T400 attempting to fix 'zoom' capability. Only afterwards I noticed T400 is not on the approved list. So I rolled back (also redownloaded, also reapplied old driver). The current situation is the cursor works fine but tapping and buttons do not work. Also note that USB mouse via HID compliant driver works fine.

    I don't think it is related to the Windows version (currently on 1903) since I booted from Kyhi's 1703 rescue disk and the problem persists. What suggestions can this forum provide?

    Thanks in advance
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  3. dalchina
    Posts : 43,002
    Win 10 Pro (22H2) (2nd PC is 22H2)
       New #2

    There are plenty of comments on running Win 10 on T400s, but a quick scan doesn't show anything on touchpad problems. You could research that easily of course - i.e. is it a common experience...?

    Solved: ThinkPad T400 - BIOS update - Lenovo Community
    has a couple of links that might be of interest.

    An assessment:
    T400 and Windows 10: My experience - Thinkpads Forum
    - there could be other issues.

    As you know, you're basically running out of specification - as millions do, expecting all will be well.

    It may be that an older driver e.g. from Win 7 or 8- might work for you, assuming the hardware is ok.
    If you find one that works, you would need to protect it from being updated, either hiding any update or blocking drive updates completely (Tutorials available).

    Some refer to TVSU- but there are no official Win 10 drivers so that may be a dead end.
    Lenovo System Update: Update Drivers, BIOS and Applications - US

    This looks interesting:
    ThinkPad Touchpad issues under Windows 8 & 10 | Wilders Security Forums
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