Translucent ibooks, Sierra

I apologize for the poor knowledge of English.
I use Google translator.
The problem is that I can not read ibooks. Because, when I open any book and it becomes transparent.
I use your method of installation hakintosh since el capitan, and this was no problem. I am happy to read the book. But when set sierra 10.12.1, there was a problem in ibooks. Resetting does not help 10.12.1. Upgrade to 10.12.3 through itunes did not help. Clean installation 10.12.3 also not solve the problem.
with buttons on the top left are active and working. although they are not visible

And sound stopped working after 2 weeks after installation 10.12.3 why? I tried to establish through a multi, but there is no sound ((

Accessories computer did not change. Help return ibooks. Please, if you are responsible, then no slang. Translator does not translate. thank you very much.

Friends help pls

Hello

So far no-one has completely solved this issue. Some people have had success by changing their GPU priorities, but there is still no complete answer.

This problem has a thread of its own at:

https://www.tonymacx86.com/threads/nvidia-web-driver-ibooks-bug.203229/

Many of us are experimenting, but it might be a bug in the Nvidia WebDrivers. This is not certain.