Windows7 driver problem(64bits)

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I am trying to install a unsigned driver on win7.the function of the driver is to communicate with usbhid.sys and the device was describe as a hid device。the problem is when I plug the device.only usbhid.sys was installed and functioned。the driver i wrote is not working， i tried lots of times。every time when i plug the device the OS automatically install the usbhid.sys as the driver of the device。anyone know how to solve this？
PS:what i did all is under the diable driver signature mode.so i think signature is not the problem .
PS:I did not say the problem clearly ?please help me ~!

Posted 2-Jun-11 20:05pm

markfilan

Updated 4-Jun-11 5:27am

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Kim Togo · Answer 1 · 2011-06-04T20:05:00

Solution 1

Is the driver working on a Windows Vista or 7 32 bit ?

There are some common pitfalls on 64 bit systems.
20 issues of porting C++ code on the 64-bit platform[^]

Common Visual C++ 64-bit Migration Issues[^]

Posted 4-Jun-11 20:05pm

Kim Togo

Comments

markfilan 6-Jun-11 20:43pm

the driver is working on 32bits computer.i will check the articles you give me ,thanks very much!

markfilan 7-Jun-11 5:35am

I solved the problem,it turned out that the inf file had slightly defferences between 64bits computer and 32bits computer.thanks for help.

Kim Togo 7-Jun-11 5:50am

Good work! :-)

cariolihome · Answer 2 · 2011-06-06T11:24:00

Solution 2

You can enable SetupAPI logging as described in Setting the Event Level for a Text Log to figure out what happened due driver setup

Posted 6-Jun-11 11:24am

cariolihome

Comments

markfilan 6-Jun-11 22:55pm

I used Maessagebox() for installation debugging .and the proccess is ok .so i think the installation should be fine .and tah instalation only did 2thing .
1.copied the inf and sys files to the respective directory .
2.use the updatedriverforplugandplaydevice() to intall the driver even the OS already have one in the system.
I belive the installation is fine,but now the OS did not use the driver i intsalled instead the OS install the HID driver for the device .i don't konw why ,and everytime i tried to install the driver i wrote for the device ,the OS give me the message that"Windows has determined the driver softwarefor your devbice is up to date."i didn't know where is the problem.

markfilan 7-Jun-11 5:35am

I solved the problem,it turned out that the inf file had slightly defferences between 64bits computer and 32bits computer.thanks for help.