Dell XPS 13 trackpad stopped working.

Solution
Try installing the latest BIOS update, install the latest trackpad driver from the dell website and disable the "Intel Engine Management Interface" in the device manager.
it has been known to help this issue.
SYNREFLASH is an exe for the firmware associated with your synaptics touchpad.
Try installing the latest BIOS update, install the latest trackpad driver from the dell website and disable the "Intel Engine Management Interface" in the device manager.
it has been known to help this issue.
SYNREFLASH is an exe for the firmware associated with your synaptics touchpad.
 
Solution