可能是因为游戏不支持你的显卡型号吧,说是不支持Geforce 7300,7600gs和8500,在这个网页上面有介绍 http://www.pcgameshardware.com/aid,663597/News/Dead_Space_System_requirements_plus_quality_comparison/
这是上面写的要求
Windows XP (SP2) or Vista
- Processor: CPU with 2.8 gigahertz
- RAM: 1 GiByte for XP and 2 GiByte for Vista
- Graphics card: Geforce 6800 or better (7300, 7600 GS and 8500 don't match the min. requirements) or Ati X1600 or better (X1300, X1300 Pro and HD2400 don't match the min. requirements). The graphics card has to support Shader Model 3.0 and has to have at least 256 MiByte VRAM