When you try to install some device drivers on Windows 7, you might come across a warning message that those drivers should be digitally signed. You can get disable this driver signing warning message in Windows 7 with the help of a workaround.
How to disable Driver signing in Windows 7?
Go to the Start menu and type cmd.exe in the Search Bar. Right click on cmd.exe and choose Run as Administrator.
If you have the UAC turned on, choose Yes to proceed. Otherwise, you should see the command windows opened already. In the shell window, copy paste the following and hit Enter.
bcdedit.exe -set loadoptions DDISABLE_INTEGRITY_CHECKS
bcdedit.exe -set TESTSIGNING ON
You’ll get a confirmation that the operation completed successfully, as you can see below:
Restart your computer for the changes to take effect. You’ve just disabled digital driver signing in Windows 7.