[其他] 显存不足怎么办？ [复制链接]

这是我的机器配置：
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System Information
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Time of this report: 2/11/2012, 10:24:18
       Machine name: PC-20110129FFJD
   Operating System: Windows 7 旗舰版 32-bit (6.1, Build 7600) (7600.win7_gdr.111025-1503)
           Language: Chinese (Simplified) (Regional Setting: Chinese (Simplified))
System Manufacturer: Gigabyte Technology Co., Ltd.
       System Model: PH67A-D3-B3
               BIOS: Award Modular BIOS v6.00PG
          Processor: Intel(R) Core(TM) i5-2300 CPU @ 2.80GHz (4 CPUs), ~3.0GHz
             Memory: 4096MB RAM
Available OS Memory: 3576MB RAM
          Page File: 1531MB used, 8041MB available
        Windows Dir: C:\Windows
    DirectX Version: DirectX 11
DX Setup Parameters: Not found
   User DPI Setting: 96 DPI (100 percent)
System DPI Setting: 96 DPI (100 percent)
    DWM DPI Scaling: Disabled
     DxDiag Version: 6.01.7600.16385 32bit Unicode
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Display Devices
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          Card name: NVIDIA GeForce GTX 460
       Manufacturer: NVIDIA
          Chip type: GeForce GTX 460
           DAC type: Integrated RAMDAC
         Device Key: Enum\PCI\VEN_10DE&DEV_0E22&SUBSYS_34FC1458&REV_A1
     Display Memory: 2525 MB
   Dedicated Memory: 993 MB
      Shared Memory: 1531 MB
       Current Mode: 1600 x 900 (32 bit) (60Hz)
       Monitor Name: 通用即插即用监视器
      Monitor Model: SyncMaster
         Monitor Id: SAM0498
        Native Mode: 1600 x 900(p) (59.978Hz)
        Output Type: DVI
        Driver Name: nvd3dum.dll,nvwgf2um.dll,nvwgf2um.dll
Driver File Version: 8.17.0012.6101 (English)
     Driver Version: 8.17.12.6101
        DDI Version: 10.1
       Driver Model: WDDM 1.1
  Driver Attributes: Final Retail
   Driver Date/Size: 10/19/2010 16:05:00, 10023528 bytes

我想这个配置应该可以玩Heroes VI 吧，才过了第一个教学，到第二个就进不去了，载入后总提示显存不足。。刚买的豪华版，有点郁闷。。请管理员解决一下这个问题，谢谢。