A few problems with Lubuntu Yakkety and Baytrail tablet

[kiina]

A few problems I've found when using this new Lubuntu.

1. problem
Onboard keyboard is too small on login screen, how to fix it?
https://s17.postimg.org/qywvbwoqz/onboard_login.jpg (https://postimg.org/image/qywvbwoqz/)

2. problem
How to use right click on touchscreen? Do I need to install something for gestures? Chrome-browser is only where gestures works.

3. problem
Touchscreen does not work near left & right border. Can't press close -button when window is maximized. Screen calibration does not help.

4. problem
Tablet has HiDPI -screen. How enable HiDPI?

5. problem
Easyway to change screen brightness, is there any?(no keyboard, only onboard)

6. problem
Soundcard is dummy output, how to fix.

sudo alsa force-reload does not help


aplay -l found 3 devices.
Intel HDMI and two bytcr-rt5640 soundcards.

[kiina]

ok, I got some tips to fix these problems.. For HiDPi I should install other DE, and that audio problem is fixed 16.04-linuxium (http://linuxiumcomau.blogspot.com/2016/10/running-ubuntu-on-intel-bay-trail-and.html).. I close this thread and make clean fresh install.