The general meaning of test mode is to let the windows operating system run in the test state. In this mode, the windows operating system can run unofficial or unsigned drivers.
Windows enters test mode in the following ways:
Click Start-All Programs-Accessories, find the Command Prompt, and right-click Run as Administrator.
Enter "bcdedit /set testsigning ON" in the command line window.
After windows enters the test mode, the logo of "Test Mode windows7 Build 7XXX" will appear in the lower right corner of the system desktop.
Test mode exit method:
Click Start-All Programs-Accessories, find the Command Prompt, and right-click Run as Administrator.
Enter "bcdedit /set testsigning OFF" in the command line window.
You can turn off windows7 test mode.
In a word, run the startup configuration data editor on the command line under the administrator's authority, and change the test mode flag to off, then you can turn off the watermark flag and start the windows7 test mode.