This message was posted on behalf of Intel Corporation
In regard to your inquiry, we always recommend to use the processor under stock configurations and with default settings, so there is no need to disable the turbo boost.
In reference to undervolting the processor, altering clock frequency or voltage may damage or reduce the useful life of the processor and other system components, and may reduce system stability and performance, so that is something we do not advice to do, there is no best value for the voltage.
In regard to ThrottleStop, that is a 3rd party tool so in order to get any information regarding that tool the best thing to do will be to get in contact directly with the manufacturer of it.
We suggest to use the drivers provided by the manufacturer of the laptop, according to the information you gave us and the specifications of the laptop the graphics on it are: NVIDIA® GeForce® GTX 960M 4GB.
On the following link you will find the drivers provided by Lenovo, please look for the VGA driver and try to install it:
As an option you can always try the drivers provide by Nvidia as well:
The fact that you set the processor to maximum processor state is a good option to try to run the game properly, another thing to do will be a BIOS update, in order to try that please get in contact directly with Lenovo to get the instructions of how to do it:
Lenovo’s phone number: 855-253-6686
Lenovo’s support site: https://support.lenovo.com/us/en/
Any further questions, please let me know.