Here are my system specs, and I'm playing on a Sony Bravia HDTV, connected to my graphics card via an HDMI cable. The fact that fullscreen seems to be the source of this problem has me wondering how I could fix it.
Processor: Intel® Core i7-2600K CPU @ 3.40GHz (8 CPUs), ~3.4GHz
Memory: 8192MB RAM
Available OS Memory: 8160MB RAM
Page File: 2474MB used, 13842MB available
Windows Dir: C:\Windows
DirectX Version: DirectX 11
DX Setup Parameters: Not found
User DPI Setting: 144 DPI (150 percent)
System DPI Setting: 96 DPI (100 percent)
Card name: NVIDIA GeForce GTX 580
Manufacturer: NVIDIA
Chip type: GeForce GTX 580
DAC type: Integrated RAMDAC
Device Key: Enum\PCI\VEN_10DE&DEV_1080&SUBSYS_15803842&REV_A1
Display Memory: 4048 MB
Dedicated Memory: 1488 MB
Shared Memory: 2560 MB
Current Mode: 1920 x 1080 (32 bit) (60Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: SONY TV
Monitor Id: SNYEA01
Native Mode: 1920 x 1080(p) (60.000Hz)
Output Type: HDMI
Driver Name: nvd3dumx.dll,nvwgf2umx.dll,nvwgf2umx.dll,nvd3dum,nvwgf2um,nvwgf2um
Driver File Version: 8.17.0013.0142 (English)
Driver Version: 8.17.13.142
DDI Version: 11
Driver Model: WDDM 1.1
Driver Attributes: Final Retail
Driver Date/Size: 5/15/2012 06:48:00, 18044224 bytes
WHQL Logo'd: Yes
WHQL Date Stamp:
Device Identifier: {D7B71E3E-53C0-11CF-7C5B-8D351FC2C535}
Vendor ID: 0x10DE
Device ID: 0x1080
SubSys ID: 0x15803842
Revision ID: 0x00A1