Same problem- new Toshiba laptop would not sleep, even after factory reset.
Tried everything I could find online - no fix. Toshiba online support suggested a few things I'd already tried, then said...

OK I've found out what the problem is...

The synaptic touchpad on my laptop has the pad and the buttons all on the same surface - the buttons are not separate, but are just a zone at the bottom of...

My problem was that *sometimes* - on left clicking and tapping (which is how I select text for copying)- the search box popped up.
I've tried everything above - didn't work - but noticed the...