on screen keyboard

Hi, I have got a sp4 and the keyboard use to appear on screen but now it doesn't. I have the 8gb i7 surface pro 4 someone please help

Had this issue for a month or so. After using the on screen keyboard, and dismissing it, the space where the keyboard was remains white. The only thing I've found that recovers the space when it happens is to Restart the tablet. This happens once a day or so. It does happen when I bring up...