Windows 7 The display driver fails to start correctly in the Win7 64-bit environment.

S

SamLee1805

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

Continue reading...
 
You must log in or register to reply here.

Similar threads

R
Windows 10 ODBC Driver 17 for SQL Server and 32-bit application in 64 bit OS
Replies
0
Views
13
Resmi Jose
R
K
Windows 11 Missing PROGRAMDATA Environment Variable when Chrome invokes a 64 bit binary that is wrongly packaged with Platform = x86 in the wix file
Replies
0
Views
11
kanish garg
K
B
Windows 10 Is the Windows product key concerned with 32 or 64 bit of Windows or will the key activate either? In other words is the key specific to 32bit or 64bi
Replies
0
Views
16
Bat Bytes
B
E
Windows 7 Cloned original HD in my HP 2540p HD, WIN7 Pro 64-bit to a larger SSD. MS disabled WIN7 on New SSD
Replies
0
Views
12
Edaphos
E
M
Windows 10 I Put the 64-bit DLL File in System32 and it was Changed to 32-bit
Replies
0
Views
20
Meganknauff
M
Back
Top