Lag when I draw.

My computer:

Operating System: Windows 10 Home 64-bit (10.0, Build 10586) (10586.th2_release.160802-1857)
Language: Spanish (Regional Setting: Spanish)
System Manufacturer: Gigabyte Technology Co., Ltd.
System Model: H55M-D2H
BIOS: Award Modular BIOS v6.00PG
Processor: Intel(R) Core™ i7 CPU 860 @ 2.80GHz (8 CPUs), ~2.8GHz
Memory: 4096MB RAM
Available OS Memory: 4056MB RAM
Page File: 3375MB used, 4775MB available
Windows Dir: C:\WINDOWS
DirectX Version: 11.2
DX Setup Parameters: Not found
User DPI Setting: 96 DPI (100 percent)
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
Miracast: Not Available
Microsoft Graphics Hybrid: Not Supported
DxDiag Version: 10.00.10586.0000 64bit Unicode

Card name: NVIDIA GeForce GTS 450