Ubuntu 16.04 - Lenovo G50-30 - how to get rid of brakes?

Question

linux

Laptop : Lenovo G50-30 (INTEL N3540, 4gb RAM, NVIDIA 820m)
I decided to get rid of the hated Windows 10 and install the good old Ubuntu.
No sooner said than done.
Put fresh firewood from the Nvidia website.
Everything has been updated as soon as possible.
What I encountered:
1. Bluetooth does not work.
2. Slows down scrolling in the browser (both integrated and discrete)
3. When you connect a monitor, scrolling brakes only increase
4. And the most unpleasant thing: if you boot with a discrete video card, the system works more or less stably (but it makes noise, heats up and sits down quickly), and if you boot with an integrated one, the system will freeze tightly after a random period of time. Maybe in a minute. ctrl+alt+f1 to no avail. Therefore, you have to sit with a discrete one.
And with all this, with a discrete video card, you can even play games through steam (Team Fortress 2, CS:GO, DOTA 2) without any brakes, just like on Windows 10.
5. When you try to install the emmet plugin to text to the Atom editor, the system hung, and when trying to move the mouse, the cursor moved from side to side by several millimeters at a frame rate per second, offhand, 1-2.
What I tried to do:
1. Tried nvidia prime, nouveau and bumblebee (now Nvidia Prime + prime indicator).
2. Installed different versions of nvidia drivers. (now they cost 361.42)
3. Put windows 10 on download.
Help me out, comrades! Thank you.

Answer 1

Have you tried other versions of Ubuntu? Or daughters of ubuntu.
If the same symptoms are observed there, then at least you will be 100% sure that the problem is in the driver.
On the Internet, it seems like, judging by the messages, people put Linux on this machine and use it.

Answer 2

your processor in your laptop has not gone far in speed from tablet atoms z3 \ 8xxx hence the brakes in paragraphs 2 and 3. toys are pulled out only at the expense of a floppy disk.
point 1 google by the name of the wifi chip - you have a combo card.