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Windows 7 is very J and many drivers cannot be installed because Windows 7, unlike Vista, must require all drivers to be validated before they can be installed.
Many third-party software, such as the RM CPU clock, is not validated and cannot be used under Windows 7.
There is always a way: F8 after boot, and then select "Disable driver signature enforcement" to temporarily resolve. But this indicator does not cure the root causes.
This problem, has always been unable to find a good solution. But Windows 7 still has a loophole: it provides a developer test pattern that provides a test pattern for software developers to test their software before they get a signature. With this mode, the driver's forced signing limit is perfectly lifted.
Driver Signature Enforcement Overrider This software makes it easy to convert windows 7 into this test mode
Dseo settings, select the first item, then next, you can open the test mode
After successfully opening Test mode, then select Sign a System file to manually register the driver files (. sys files that were blocked by Windows 7 before installing Windows 7 will have the appropriate blocking prompt, according to the path in the prompt to find it)
Manually registering a driver file (. sys) that is blocked by Windows 7
Last reboot, the driver will be working properly.
However, after the test mode is turned on, there will be a digital watermark in the lower right corner of the desktop, indicating that the system is working in the test mode, affecting aesthetics .
You can use a software to remove the watermark:remove WaterMark, then perfect.
Download the software that is covered in this article:
Driver Signature Enforcement Overrider | Remove WaterMark
[Go] Perfect unlock Windows7 driver Force signing limit