Hello everyone! This is my first thread and post on this forum, so I apologize in a advance if I break some rules, please tell me what I messed up and it won't happen again. 
I have had a laptop for 2 years now. The laptop in question is Acer Aspire M3-581T MA50.
I bought it because I found it cheap and it had good hardware (i5 2467M, 4GB DDR3, nVidia GT 640M). And this is where we get to the problem.
Since I've bought a laptop, it has always been using integrated Intel HD 3000, and still uses it now. I found this out by entering the Device Manager, and under Display adapters, the only adapter shown was Intel HD. Of course, I was wondering why it's not using the dedicated GPU. When I tried to enable it, the first thing I noticed is that there is no nVidia Control Panel. I started to worry a bit. Then, I downloaded latest driver for GT 640M, but that failed, because at the start of the installation setup, I got a message that no compatible hardware can be found.
I went to a couple of PC and laptop services and all of them told me that my laptop doesn't even have nVidia GPU. They ran some of the gpu programs (GPU-Z, AIDA64) and neither of them identified nVidia's card.
What surprises and shocks me the most is the fact that on every single website with the specifications of this laptop, there is the nVidia GPU listed. I have entered the original model number from the back of the laptop, and even on Acer's official site, the GT 640M is listed in the specs.
Because the laptop was bought used, could it be that the GPU was taken out from it?
To this day, I haven't found a solution. I hope someone answers this as I want to use nVidia GPU on laptop because it is often used for gaming. I want to hopefully get a concrete answer to my question, and not too many questions, because I have written and explained everything in this post.
Thanks to everyone in advance.
I have had a laptop for 2 years now. The laptop in question is Acer Aspire M3-581T MA50.
I bought it because I found it cheap and it had good hardware (i5 2467M, 4GB DDR3, nVidia GT 640M). And this is where we get to the problem.
Since I've bought a laptop, it has always been using integrated Intel HD 3000, and still uses it now. I found this out by entering the Device Manager, and under Display adapters, the only adapter shown was Intel HD. Of course, I was wondering why it's not using the dedicated GPU. When I tried to enable it, the first thing I noticed is that there is no nVidia Control Panel. I started to worry a bit. Then, I downloaded latest driver for GT 640M, but that failed, because at the start of the installation setup, I got a message that no compatible hardware can be found.
I went to a couple of PC and laptop services and all of them told me that my laptop doesn't even have nVidia GPU. They ran some of the gpu programs (GPU-Z, AIDA64) and neither of them identified nVidia's card.
What surprises and shocks me the most is the fact that on every single website with the specifications of this laptop, there is the nVidia GPU listed. I have entered the original model number from the back of the laptop, and even on Acer's official site, the GT 640M is listed in the specs.
Because the laptop was bought used, could it be that the GPU was taken out from it?
To this day, I haven't found a solution. I hope someone answers this as I want to use nVidia GPU on laptop because it is often used for gaming. I want to hopefully get a concrete answer to my question, and not too many questions, because I have written and explained everything in this post.
Thanks to everyone in advance.
/www.amazon.co.uk/Acer-Aspire-M3-581T-15-6-inch-Ultrabook/dp/B009R16LQK.
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