thestupidguy27 :
can you show me a motherboard that fits in and supports gtx mobile gpu and intel core i5 or i7?
There are none. Laptop motherboards are designed to fit in specific laptop chassis. Laptops are not like desktops; you cannot mix and match laptop motherboards with laptop chassis.
If you want a laptop with a more powerful processor, then you need to buy a new laptop. Modern laptops have CPUs soldered into the motherboard. Most laptops allows you to upgrade RAM and the hard drive. However, many ultrabooks have RAM soldered into the motherboard and no RAM slot so RAM cannot be upgraded.
Only very specific models of gaming laptops will allow you to upgrade the GPU. They generally cost at least $1,400 and use MXM format GPUs which are...