[经博主验证有效的版本] http://tieba.baidu.com/f?kz=1041263540
因为inf文件很多，不同inf对应不同的厂家，对此我在驱动之家找到了各个inf文件对应的厂家：
NVAC.INF = ACER、NVAM.INF = ASUS Mobile、NVAO.INF = APPLE Mobile、NVBL.INF = Compaq/HP mobile 、NVDM.INF = DELL Mobile、NVFM.INF = FUJITSU Mobile、NVGM.INF = GATEWAY Mobile/Laptop、NVIB.INF = IBM、NVLT.INF = Lenovo、NVMI.INF = MSI、NVSM.INF = SAMSUNG mobile、NVSZ.INF = SONY mobile、NVTS.INF = TOSHiBA、NVCV.INF=Sager
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[另一版本，原理看这里，具体操作以上面版本为准]
http://wenku.baidu.com/view/ce2e2d553c1ec5da50e27022.html?from=rec&pos=0&weight=202&lastweight=11&count=5