You need to switch to a game-capable graphics processor. If your machine is just a laptop, it's not switching from the IGP when it needs to do so, or else you simply do not have a sufficiently powerful video solution.
Minimum requirements for Titanfall on PC:
OS: 64-bit Windows 7, 8, 8.1
Processor: AMD Athlon X2 2.8GHz or Intel Core 2 Duo 2.4GHz
Memory: 4GB RAM
Video card: 512MB VRAM,
Radeon HD 4770 or GeForce 8800GT
(Ignore the tripe about Dx11)
50 GBs storage on the Hdd
