Please try using the AMD graphics drivers provided by the laptop manufacturer, Acer. They should be available on the Acer support website.
There are many configurations of " Acer aspire 7736g "...most of them with Nvidia graphics. Please tell us the EXACT model number of your laptop..or at least the EXACT model of the processor your using. Please...NOT "I have a Intel I5 or I7"
AMD radeon HD 5000
Thanks for your reply.
Please let me know if you need further details