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SamLee1805
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Hi Sir, While developing the Win7 32-bit/64-bit display driver, the same source code works fine in the 32-bit environment, but in the 64-bit environment, the driver fails to function correctly. Using WinDbg, I found that win32k.sys stops after executing DrvGetModes twice and doesn’t proceed to the next initialization step, which should normally be DrvEnableDriver followed by DrvEnablePDEV. I've confirmed that the data and flow in DrvGetModes are exactly the same as in the 32-bit environment. I'm currently stuck and unsure of what else to check—any help would be appre
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