Windows starts to black screen desktop.
Windows 7 RC version system shows user the screen “Windows Activation”. The screen points out that the Windows system running now is pirate version.
The computer running Windows 7 RC version will restart once every two hours.
The internal version number of Windows 7 RC version is 7100, you can check your Windows 7 system right away to check whether you use the same version, if yes, then you’d have to start transferring your important data, preparing update or reinstalling operation system.
Actually it’s quite simple to solve the problem above, download and install Windows 7 RTM, more advanced version again, or choose to return to your XP or Vista system. If Windows 7 could bring your better experience, improving your work efficiency, and you already fondle admiringly with it, then you can consider update to valid version directly. So far, Windows 7 operation system has already been released officially, you can buy easily.
 When come to the version number of Windows 7, if you still have no idea which version you have installed on your computer, then next I will show you how to check the detailed version number of Windows 7 system.
 The simplest way is to type “winver” command to the Run dialog from start menu, and then press Enter, you could see the window popping up, which will show the relevant version number.
 But the command cannot check detailed version number after 7100, if you still want to check more details, then you can use another command &ld