After restart the system without pressingį8, It shows the following error message: And we tried to use the Windows 7 Ultimate (64-bit), usbser.sys file (with our INF file) in Windows 7 Embedded Standard 64-bit OS, but it showed error message like “Driver does not contain digital signature information”.įor testing purpose, in Windows 7 Embedded Standard 64bit OS, while booting we pressed F8 and selected "Disable driver signature enforcement" to disable the signature checking process and updated the driver properly. We read some forum and found to use the Windows 7 Ultimate (32-bit) OS, usbser.sys (with our INF file) in Windows 7 Embedded standardģ2-bit OS and it worked properly. But there is no USBSER.SYS file in both the OS. We need them to test in Windows 7 Embedded standard 32-bit and 64-bit OS. It works well on Windows XP, Vista and Windows 7 32-bit & 64-bit versions. USBSER.SYS driver and we provide the specific INF files so that our product installs as a virtual COM port. The company I work for has a product with a USB Device port implementing the CDC class.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |