I am having the exact same issue as in this thread, new Dell XPS 15 running Windows 10: en.community.dell.com/.../20003859 I tried to post this in there as a reply but got an error that "A forum reply exists that is a duplicate of this reply.". So, posting it as its own thread.
I only got this laptop a couple weeks ago, and occasionally the tap to click just quits working correctly. The first tap registers but then it's like the mouse is "stuck"; it highlights text, drags windows around as you move your finger over the trackpad, etc. Only clicking at the bottom left unsticks it or makes it possible to click anything properly. Unlike the person in the other thread, though, this does not happen only after the machine's been on for 24+ hours; this time it happened and I've been using the laptop, not with a ton of memory-intensive processes or anything, for maybe 6 hours. Any help? Having to reboot every time this happens, which is all that seems to work, (and this is either the second or third time it's happened now) is annoying and inconvenient.